[lttng-dev] [PATCH v2 lttng-modules] Update kernel probes to more detailed match to kernel versions

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Mon Dec 10 11:13:51 EST 2012


* Andrew Gabbasov (andrew_gabbasov at mentor.com) wrote:
> Some ifdef's are added to kernel probes instrumentation to make them
> more close to original tracepoints in different kernel versions.
> Supported kernel version are from 2.6.32 to 3.7.

Merged into master branch (targeting lttng-modules 2.2).

Thanks,

Mathieu

> 
> Signed-off-by: Andrew Gabbasov <andrew_gabbasov at mentor.com>
> ---
>  instrumentation/events/lttng-module/asoc.h   |   82 ++
>  instrumentation/events/lttng-module/block.h  |  110 ++-
>  instrumentation/events/lttng-module/ext3.h   |    6 +
>  instrumentation/events/lttng-module/jbd.h    |   22 +
>  instrumentation/events/lttng-module/jbd2.h   |   42 +
>  instrumentation/events/lttng-module/kmem.h   |   25 +-
>  instrumentation/events/lttng-module/kvm.h    |   19 +
>  instrumentation/events/lttng-module/lock.h   |  121 +++
>  instrumentation/events/lttng-module/module.h |   23 +
>  instrumentation/events/lttng-module/power.h  |   99 +-
>  instrumentation/events/lttng-module/sched.h  |   84 ++
>  instrumentation/events/lttng-module/scsi.h   |   37 +
>  instrumentation/events/lttng-module/signal.h |    2 +
>  instrumentation/events/lttng-module/skb.h    |    5 +
>  instrumentation/events/lttng-module/vmscan.h |  123 ++-
>  instrumentation/events/mainline/asoc.h       |   80 ++
>  instrumentation/events/mainline/block.h      |   20 +-
>  instrumentation/events/mainline/ext3.h       |    4 +-
>  instrumentation/events/mainline/fs_ext3.h    | 1323 --------------------------
>  instrumentation/events/mainline/jbd.h        |   39 +-
>  instrumentation/events/mainline/jbd2.h       |   29 +-
>  instrumentation/events/mainline/kmem.h       |    8 +-
>  instrumentation/events/mainline/power.h      |   37 +-
>  instrumentation/events/mainline/sched.h      |   17 +-
>  instrumentation/events/mainline/signal.h     |   85 +-
>  instrumentation/events/mainline/vmscan.h     |  136 +--
>  probes/Makefile                              |   43 +-
>  probes/lttng-probe-asoc.c                    |    4 +-
>  probes/lttng-probe-block.c                   |    2 +
>  probes/lttng-probe-ext3.c                    |   10 +-
>  probes/lttng-probe-irq.c                     |    3 +-
>  probes/lttng-probe-jbd.c                     |    3 +-
>  probes/lttng-probe-jbd2.c                    |    4 +-
>  probes/lttng-probe-kmem.c                    |    4 +-
>  probes/lttng-probe-kvm.c                     |    2 +
>  probes/lttng-probe-lock.c                    |    9 +-
>  probes/lttng-probe-module.c                  |    4 +-
>  probes/lttng-probe-napi.c                    |    2 +
>  probes/lttng-probe-power.c                   |    4 +-
>  probes/lttng-probe-sched.c                   |    3 +-
>  probes/lttng-probe-scsi.c                    |    2 +-
>  probes/lttng-probe-skb.c                     |    4 +-
>  probes/lttng-probe-timer.c                   |    3 +-
>  probes/lttng-probe-vmscan.c                  |    8 +-
>  44 files changed, 1074 insertions(+), 1618 deletions(-)
>  delete mode 100644 instrumentation/events/mainline/fs_ext3.h
> 
> diff --git a/instrumentation/events/lttng-module/asoc.h b/instrumentation/events/lttng-module/asoc.h
> index 6ffc923..672bea4 100644
> --- a/instrumentation/events/lttng-module/asoc.h
> +++ b/instrumentation/events/lttng-module/asoc.h
> @@ -8,6 +8,8 @@
>  #include <linux/tracepoint.h>
>  #include <linux/version.h>
>  
> +#define DAPM_DIRECT "(direct)"
> +
>  #ifndef _TRACE_ASOC_DEF
>  #define _TRACE_ASOC_DEF
>  struct snd_soc_jack;
> @@ -251,6 +253,86 @@ TRACE_EVENT(snd_soc_dapm_walk_done,
>  )
>  #endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
> +TRACE_EVENT(snd_soc_dapm_output_path,
> +
> +	TP_PROTO(struct snd_soc_dapm_widget *widget,
> +		struct snd_soc_dapm_path *path),
> +
> +	TP_ARGS(widget, path),
> +
> +	TP_STRUCT__entry(
> +		__string(	wname,	widget->name		)
> +		__string(	pname,	path->name ? path->name : DAPM_DIRECT)
> +		__string(	psname,	path->sink->name	)
> +		__field(	int,	path_sink		)
> +		__field(	int,	path_connect		)
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(wname, widget->name)
> +		tp_strcpy(pname, path->name ? path->name : DAPM_DIRECT)
> +		tp_strcpy(psname, path->sink->name)
> +		tp_assign(path_connect, path->connect)
> +		tp_assign(path_sink, (long)path->sink)
> +	),
> +
> +	TP_printk("%c%s -> %s -> %s\n",
> +		(int) __entry->path_sink &&
> +		(int) __entry->path_connect ? '*' : ' ',
> +		__get_str(wname), __get_str(pname), __get_str(psname))
> +)
> +
> +TRACE_EVENT(snd_soc_dapm_input_path,
> +
> +	TP_PROTO(struct snd_soc_dapm_widget *widget,
> +		struct snd_soc_dapm_path *path),
> +
> +	TP_ARGS(widget, path),
> +
> +	TP_STRUCT__entry(
> +		__string(	wname,	widget->name		)
> +		__string(	pname,	path->name ? path->name : DAPM_DIRECT)
> +		__string(	psname,	path->source->name	)
> +		__field(	int,	path_source		)
> +		__field(	int,	path_connect		)
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(wname, widget->name)
> +		tp_strcpy(pname, path->name ? path->name : DAPM_DIRECT)
> +		tp_strcpy(psname, path->source->name)
> +		tp_assign(path_connect, path->connect)
> +		tp_assign(path_source, (long)path->source)
> +	),
> +
> +	TP_printk("%c%s <- %s <- %s\n",
> +		(int) __entry->path_source &&
> +		(int) __entry->path_connect ? '*' : ' ',
> +		__get_str(wname), __get_str(pname), __get_str(psname))
> +)
> +
> +TRACE_EVENT(snd_soc_dapm_connected,
> +
> +	TP_PROTO(int paths, int stream),
> +
> +	TP_ARGS(paths, stream),
> +
> +	TP_STRUCT__entry(
> +		__field(	int,	paths		)
> +		__field(	int,	stream		)
> +	),
> +
> +	TP_fast_assign(
> +		tp_assign(paths, paths)
> +		tp_assign(stream, stream)
> +	),
> +
> +	TP_printk("%s: found %d paths\n",
> +		__entry->stream ? "capture" : "playback", __entry->paths)
> +)
> +#endif
> +
>  TRACE_EVENT(snd_soc_jack_irq,
>  
>  	TP_PROTO(const char *name),
> diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h
> index 42184f3..d42ebd4 100644
> --- a/instrumentation/events/lttng-module/block.h
> +++ b/instrumentation/events/lttng-module/block.h
> @@ -8,6 +8,9 @@
>  #include <linux/blkdev.h>
>  #include <linux/tracepoint.h>
>  #include <linux/trace_seq.h>
> +#include <linux/version.h>
> +
> +#define RWBS_LEN	8
>  
>  #ifndef _TRACE_BLOCK_DEF_
>  #define _TRACE_BLOCK_DEF_
> @@ -19,23 +22,45 @@ enum {
>  	RWBS_FLAG_DISCARD	= (1 << 1),
>  	RWBS_FLAG_READ		= (1 << 2),
>  	RWBS_FLAG_RAHEAD	= (1 << 3),
> -	RWBS_FLAG_SYNC		= (1 << 4),
> -	RWBS_FLAG_META		= (1 << 5),
> -	RWBS_FLAG_SECURE	= (1 << 6),
> +	RWBS_FLAG_BARRIER	= (1 << 4),
> +	RWBS_FLAG_SYNC		= (1 << 5),
> +	RWBS_FLAG_META		= (1 << 6),
> +	RWBS_FLAG_SECURE	= (1 << 7),
> +	RWBS_FLAG_FLUSH		= (1 << 8),
> +	RWBS_FLAG_FUA		= (1 << 9),
>  };
>  
>  #endif /* _TRACE_BLOCK_DEF_ */
>  
>  #define __print_rwbs_flags(rwbs)		\
>  	__print_flags(rwbs, "",			\
> +		{ RWBS_FLAG_FLUSH, "F" },	\
>  		{ RWBS_FLAG_WRITE, "W" },	\
>  		{ RWBS_FLAG_DISCARD, "D" },	\
>  		{ RWBS_FLAG_READ, "R" },	\
> +		{ RWBS_FLAG_FUA, "F" },		\
>  		{ RWBS_FLAG_RAHEAD, "A" },	\
> +		{ RWBS_FLAG_BARRIER, "B" },	\
>  		{ RWBS_FLAG_SYNC, "S" },	\
>  		{ RWBS_FLAG_META, "M" },	\
>  		{ RWBS_FLAG_SECURE, "E" })
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
> +
> +#define blk_fill_rwbs(rwbs, rw, bytes)					      \
> +		tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :	      \
> +			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
> +			( (bytes) ? RWBS_FLAG_READ :			      \
> +			( 0 ))))					      \
> +			| ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)	      \
> +			| ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)	      \
> +			| ((rw) & REQ_META ? RWBS_FLAG_META : 0)	      \
> +			| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)	      \
> +			| ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0)	      \
> +			| ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
> +
> +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
> +
>  #define blk_fill_rwbs(rwbs, rw, bytes)					      \
>  		tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :	      \
>  			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
> @@ -46,6 +71,33 @@ enum {
>  			| ((rw) & REQ_META ? RWBS_FLAG_META : 0)	      \
>  			| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
>  
> +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
> +
> +#define blk_fill_rwbs(rwbs, rw, bytes)					      \
> +		tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :	      \
> +			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
> +			( (bytes) ? RWBS_FLAG_READ :			      \
> +			( 0 ))))					      \
> +			| ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)	      \
> +			| ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0)    \
> +			| ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)	      \
> +			| ((rw) & REQ_META ? RWBS_FLAG_META : 0)	      \
> +			| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
> +
> +#else
> +
> +#define blk_fill_rwbs(rwbs, rw, bytes)					      \
> +		tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :	      \
> +			( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD :  \
> +			( (bytes) ? RWBS_FLAG_READ :			      \
> +			( 0 ))))					      \
> +			| ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \
> +			| ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0)  \
> +			| ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0)    \
> +			| ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0))
> +
> +#endif
> +
>  DECLARE_EVENT_CLASS(block_rq_with_error,
>  
>  	TP_PROTO(struct request_queue *q, struct request *rq),
> @@ -261,9 +313,15 @@ TRACE_EVENT(block_bio_bounce,
>   */
>  TRACE_EVENT(block_bio_complete,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
>  	TP_PROTO(struct request_queue *q, struct bio *bio, int error),
>  
>  	TP_ARGS(q, bio, error),
> +#else
> +	TP_PROTO(struct request_queue *q, struct bio *bio),
> +
> +	TP_ARGS(q, bio),
> +#endif
>  
>  	TP_STRUCT__entry(
>  		__field( dev_t,		dev		)
> @@ -277,7 +335,11 @@ TRACE_EVENT(block_bio_complete,
>  		tp_assign(dev, bio->bi_bdev->bd_dev)
>  		tp_assign(sector, bio->bi_sector)
>  		tp_assign(nr_sector, bio->bi_size >> 9)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
>  		tp_assign(error, error)
> +#else
> +		tp_assign(error, 0)
> +#endif
>  		blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
>  	),
>  
> @@ -452,9 +514,15 @@ TRACE_EVENT(block_plug,
>  
>  DECLARE_EVENT_CLASS(block_unplug,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
>  
>  	TP_ARGS(q, depth, explicit),
> +#else
> +	TP_PROTO(struct request_queue *q),
> +
> +	TP_ARGS(q),
> +#endif
>  
>  	TP_STRUCT__entry(
>  		__field( int,		nr_rq			)
> @@ -462,13 +530,33 @@ DECLARE_EVENT_CLASS(block_unplug,
>  	),
>  
>  	TP_fast_assign(
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		tp_assign(nr_rq, depth)
> +#else
> +		tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
> +#endif
>  		tp_memcpy(comm, current->comm, TASK_COMM_LEN)
>  	),
>  
>  	TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
>  )
>  
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
> +/**
> + * block_unplug_timer - timed release of operations requests in queue to device driver
> + * @q: request queue to unplug
> + *
> + * Unplug the request queue @q because a timer expired and allow block
> + * operation requests to be sent to the device driver.
> + */
> +DEFINE_EVENT(block_unplug, block_unplug_timer,
> +
> +	TP_PROTO(struct request_queue *q),
> +
> +	TP_ARGS(q)
> +)
> +#endif
> +
>  /**
>   * block_unplug - release of operations requests in request queue
>   * @q: request queue to unplug
> @@ -478,11 +566,21 @@ DECLARE_EVENT_CLASS(block_unplug,
>   * Unplug request queue @q because device driver is scheduled to work
>   * on elements in the request queue.
>   */
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  DEFINE_EVENT(block_unplug, block_unplug,
> +#else
> +DEFINE_EVENT(block_unplug, block_unplug_io,
> +#endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
>  
>  	TP_ARGS(q, depth, explicit)
> +#else
> +	TP_PROTO(struct request_queue *q),
> +
> +	TP_ARGS(q)
> +#endif
>  )
>  
>  /**
> @@ -537,7 +635,11 @@ TRACE_EVENT(block_split,
>   * An operation for a logical device has been mapped to the
>   * raw block device.
>   */
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
>  TRACE_EVENT(block_bio_remap,
> +#else
> +TRACE_EVENT(block_remap,
> +#endif
>  
>  	TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
>  		 sector_t from),
> @@ -571,6 +673,7 @@ TRACE_EVENT(block_bio_remap,
>  		  (unsigned long long)__entry->old_sector)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  /**
>   * block_rq_remap - map request for a block operation request
>   * @q: queue holding the operation
> @@ -615,6 +718,7 @@ TRACE_EVENT(block_rq_remap,
>  		  MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
>  		  (unsigned long long)__entry->old_sector)
>  )
> +#endif
>  
>  #undef __print_rwbs_flags
>  #undef blk_fill_rwbs
> diff --git a/instrumentation/events/lttng-module/ext3.h b/instrumentation/events/lttng-module/ext3.h
> index f1b4aa9..32917fb 100644
> --- a/instrumentation/events/lttng-module/ext3.h
> +++ b/instrumentation/events/lttng-module/ext3.h
> @@ -5,6 +5,7 @@
>  #define _TRACE_EXT3_H
>  
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
>  TRACE_EVENT(ext3_free_inode,
>  	TP_PROTO(struct inode *inode),
> @@ -24,8 +25,13 @@ TRACE_EVENT(ext3_free_inode,
>  		tp_assign(dev, inode->i_sb->s_dev)
>  		tp_assign(ino, inode->i_ino)
>  		tp_assign(mode, inode->i_mode)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
> +		tp_assign(uid, i_uid_read(inode))
> +		tp_assign(gid, i_gid_read(inode))
> +#else
>  		tp_assign(uid, inode->i_uid)
>  		tp_assign(gid, inode->i_gid)
> +#endif
>  		tp_assign(blocks, inode->i_blocks)
>  	),
>  
> diff --git a/instrumentation/events/lttng-module/jbd.h b/instrumentation/events/lttng-module/jbd.h
> index b6bd64a..570bdac 100644
> --- a/instrumentation/events/lttng-module/jbd.h
> +++ b/instrumentation/events/lttng-module/jbd.h
> @@ -6,6 +6,7 @@
>  
>  #include <linux/jbd.h>
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
>  TRACE_EVENT(jbd_checkpoint,
>  
> @@ -217,6 +218,26 @@ TRACE_EVENT(jbd_cleanup_journal_tail,
>  		  __entry->block_nr, __entry->freed)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
> +TRACE_EVENT(journal_write_superblock,
> +	TP_PROTO(journal_t *journal, int write_op),
> +
> +	TP_ARGS(journal, write_op),
> +
> +	TP_STRUCT__entry(
> +		__field(	dev_t,	dev			)
> +		__field(	int,	write_op		)
> +	),
> +
> +	TP_fast_assign(
> +		tp_assign(dev, journal->j_fs_dev->bd_dev)
> +		tp_assign(write_op, write_op)
> +	),
> +
> +	TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
> +		  MINOR(__entry->dev), __entry->write_op)
> +)
> +#else
>  TRACE_EVENT(jbd_update_superblock_end,
>  	TP_PROTO(journal_t *journal, int wait),
>  
> @@ -236,6 +257,7 @@ TRACE_EVENT(jbd_update_superblock_end,
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
>  		   __entry->wait)
>  )
> +#endif
>  
>  #endif /* _TRACE_JBD_H */
>  
> diff --git a/instrumentation/events/lttng-module/jbd2.h b/instrumentation/events/lttng-module/jbd2.h
> index c7992c0..872cf9e 100644
> --- a/instrumentation/events/lttng-module/jbd2.h
> +++ b/instrumentation/events/lttng-module/jbd2.h
> @@ -6,12 +6,15 @@
>  
>  #include <linux/jbd2.h>
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  #ifndef _TRACE_JBD2_DEF
>  #define _TRACE_JBD2_DEF
>  struct transaction_chp_stats_s;
>  struct transaction_run_stats_s;
>  #endif
> +#endif
>  
>  TRACE_EVENT(jbd2_checkpoint,
>  
> @@ -84,6 +87,15 @@ DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,
>  	TP_ARGS(journal, commit_transaction)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
> +DEFINE_EVENT(jbd2_commit, jbd2_drop_transaction,
> +
> +	TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
> +
> +	TP_ARGS(journal, commit_transaction)
> +)
> +#endif
> +
>  TRACE_EVENT(jbd2_end_commit,
>  	TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
>  
> @@ -128,6 +140,7 @@ TRACE_EVENT(jbd2_submit_inode_data,
>  		  (unsigned long) __entry->ino)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  TRACE_EVENT(jbd2_run_stats,
>  	TP_PROTO(dev_t dev, unsigned long tid,
>  		 struct transaction_run_stats_s *stats),
> @@ -202,8 +215,14 @@ TRACE_EVENT(jbd2_checkpoint_stats,
>  		  jiffies_to_msecs(__entry->chp_time),
>  		  __entry->forced_to_close, __entry->written, __entry->dropped)
>  )
> +#endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
> +TRACE_EVENT(jbd2_update_log_tail,
> +#else
>  TRACE_EVENT(jbd2_cleanup_journal_tail,
> +#endif
>  
>  	TP_PROTO(journal_t *journal, tid_t first_tid,
>  		 unsigned long block_nr, unsigned long freed),
> @@ -231,6 +250,29 @@ TRACE_EVENT(jbd2_cleanup_journal_tail,
>  		  __entry->tail_sequence, __entry->first_tid,
>  		  __entry->block_nr, __entry->freed)
>  )
> +#endif
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
> +TRACE_EVENT(jbd2_write_superblock,
> +
> +	TP_PROTO(journal_t *journal, int write_op),
> +
> +	TP_ARGS(journal, write_op),
> +
> +	TP_STRUCT__entry(
> +		__field(	dev_t,  dev			)
> +		__field(	  int,  write_op		)
> +	),
> +
> +	TP_fast_assign(
> +		tp_assign(dev, journal->j_fs_dev->bd_dev)
> +		tp_assign(write_op, write_op)
> +	),
> +
> +	TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
> +		  MINOR(__entry->dev), __entry->write_op)
> +)
> +#endif
>  
>  #endif /* _TRACE_JBD2_H */
>  
> diff --git a/instrumentation/events/lttng-module/kmem.h b/instrumentation/events/lttng-module/kmem.h
> index dab8989..baf4176 100644
> --- a/instrumentation/events/lttng-module/kmem.h
> +++ b/instrumentation/events/lttng-module/kmem.h
> @@ -4,6 +4,13 @@
>  #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_KMEM_H
>  
> +#include <linux/types.h>
> +#include <linux/tracepoint.h>
> +#include <linux/version.h>
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
> +#include <trace/events/gfpflags.h>
> +#endif
> +
>  DECLARE_EVENT_CLASS(kmem_alloc,
>  
>  	TP_PROTO(unsigned long call_site,
> @@ -143,7 +150,12 @@ DEFINE_EVENT(kmem_free, kmem_cache_free,
>  	TP_ARGS(call_site, ptr)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
> +TRACE_EVENT(mm_page_free,
> +#else
>  TRACE_EVENT(mm_page_free_direct,
> +#endif
>  
>  	TP_PROTO(struct page *page, unsigned int order),
>  
> @@ -165,7 +177,11 @@ TRACE_EVENT(mm_page_free_direct,
>  			__entry->order)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
> +TRACE_EVENT(mm_page_free_batched,
> +#else
>  TRACE_EVENT(mm_pagevec_free,
> +#endif
>  
>  	TP_PROTO(struct page *page, int cold),
>  
> @@ -210,7 +226,7 @@ TRACE_EVENT(mm_page_alloc,
>  
>  	TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
>  		__entry->page,
> -		page_to_pfn(__entry->page),
> +		__entry->page ? page_to_pfn(__entry->page) : 0,
>  		__entry->order,
>  		__entry->migratetype,
>  		show_gfp_flags(__entry->gfp_flags))
> @@ -236,7 +252,7 @@ DECLARE_EVENT_CLASS(mm_page,
>  
>  	TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
>  		__entry->page,
> -		page_to_pfn(__entry->page),
> +		__entry->page ? page_to_pfn(__entry->page) : 0,
>  		__entry->order,
>  		__entry->migratetype,
>  		__entry->order == 0)
> @@ -251,7 +267,11 @@ DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
>  
>  DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
>  	TP_PROTO(struct page *page, unsigned int order, int migratetype),
> +#else
> +	TP_PROTO(struct page *page, int order, int migratetype),
> +#endif
>  
>  	TP_ARGS(page, order, migratetype),
>  
> @@ -297,6 +317,7 @@ TRACE_EVENT(mm_page_alloc_extfrag,
>  		__entry->fallback_order < pageblock_order,
>  		__entry->alloc_migratetype == __entry->fallback_migratetype)
>  )
> +#endif
>  
>  #endif /* _TRACE_KMEM_H */
>  
> diff --git a/instrumentation/events/lttng-module/kvm.h b/instrumentation/events/lttng-module/kvm.h
> index ffdc2a6..cda3cfc 100644
> --- a/instrumentation/events/lttng-module/kvm.h
> +++ b/instrumentation/events/lttng-module/kvm.h
> @@ -7,6 +7,8 @@
>  #undef TRACE_SYSTEM
>  #define TRACE_SYSTEM kvm
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
> +
>  #define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }
>  
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
> @@ -50,8 +52,16 @@ TRACE_EVENT(kvm_userspace_exit,
>  		  __print_symbolic(__entry->reason, kvm_trace_exit_reason),
>  		  __entry->errno < 0 ? -__entry->errno : __entry->reason)
>  )
> +#endif
>  
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0))
>  #if defined(__KVM_HAVE_IOAPIC)
> +#undef __KVM_HAVE_IRQ_LINE
> +#define __KVM_HAVE_IRQ_LINE
> +#endif
> +#endif
> +
> +#if defined(__KVM_HAVE_IRQ_LINE)
>  TRACE_EVENT(kvm_set_irq,
>  	TP_PROTO(unsigned int gsi, int level, int irq_source_id),
>  	TP_ARGS(gsi, level, irq_source_id),
> @@ -71,7 +81,9 @@ TRACE_EVENT(kvm_set_irq,
>  	TP_printk("gsi %u level %d source %d",
>  		  __entry->gsi, __entry->level, __entry->irq_source_id)
>  )
> +#endif
>  
> +#if defined(__KVM_HAVE_IOAPIC)
>  #define kvm_deliver_mode		\
>  	{0x0, "Fixed"},			\
>  	{0x1, "LowPrio"},		\
> @@ -189,6 +201,8 @@ TRACE_EVENT(kvm_mmio,
>  		  __entry->len, __entry->gpa, __entry->val)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +
>  #define kvm_fpu_load_symbol	\
>  	{0, "unload"},		\
>  	{1, "load"}
> @@ -229,6 +243,9 @@ TRACE_EVENT(kvm_age_page,
>  		  __entry->hva, __entry->gfn,
>  		  __entry->referenced ? "YOUNG" : "OLD")
>  )
> +#endif
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
>  
>  #ifdef CONFIG_KVM_ASYNC_PF
>  DECLARE_EVENT_CLASS(kvm_async_get_page_class,
> @@ -321,6 +338,8 @@ TRACE_EVENT(
>  
>  #endif
>  
> +#endif
> +
>  #endif /* _TRACE_KVM_MAIN_H */
>  
>  /* This part must be outside protection */
> diff --git a/instrumentation/events/lttng-module/lock.h b/instrumentation/events/lttng-module/lock.h
> index e2c1c7a..8c1389d 100644
> --- a/instrumentation/events/lttng-module/lock.h
> +++ b/instrumentation/events/lttng-module/lock.h
> @@ -1,5 +1,15 @@
> +#include <linux/version.h>
> +
>  #undef TRACE_SYSTEM
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
>  #define TRACE_SYSTEM lock
> +#else
> +#define TRACE_SYSTEM lockdep
> +#define TRACE_INCLUDE_FILE lock
> +#if defined(_TRACE_LOCKDEP_H)
> +#define _TRACE_LOCK_H
> +#endif
> +#endif
>  
>  #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_LOCK_H
> @@ -20,21 +30,31 @@ TRACE_EVENT(lock_acquire,
>  	TP_STRUCT__entry(
>  		__field(unsigned int, flags)
>  		__string(name, lock->name)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
>  		__field(void *, lockdep_addr)
> +#endif
>  	),
>  
>  	TP_fast_assign(
>  		tp_assign(flags, (trylock ? 1 : 0) | (read ? 2 : 0))
>  		tp_strcpy(name, lock->name)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
>  		tp_assign(lockdep_addr, lock)
> +#endif
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
>  	TP_printk("%p %s%s%s", __entry->lockdep_addr,
> +#else
> +	TP_printk("%s%s%s",
> +#endif
>  		  (__entry->flags & 1) ? "try " : "",
>  		  (__entry->flags & 2) ? "read " : "",
>  		  __get_str(name))
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
> +
>  DECLARE_EVENT_CLASS(lock,
>  
>  	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
> @@ -78,6 +98,107 @@ DEFINE_EVENT(lock, lock_acquired,
>  )
>  
>  #endif
> +
> +#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
> +
> +TRACE_EVENT(lock_release,
> +
> +	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
> +
> +	TP_ARGS(lock, nested, ip),
> +
> +	TP_STRUCT__entry(
> +		__string(	name, 	lock->name	)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		__field(	void *, lockdep_addr	)
> +#endif
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(name, lock->name)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		tp_assign(lockdep_addr, lock)
> +#endif
> +	),
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +	TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
> +#else
> +	TP_printk("%s",  __get_str(name))
> +#endif
> +)
> +
> +#ifdef CONFIG_LOCK_STAT
> +
> +TRACE_EVENT(lock_contended,
> +
> +	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
> +
> +	TP_ARGS(lock, ip),
> +
> +	TP_STRUCT__entry(
> +		__string(	name, 	lock->name	)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		__field(	void *, lockdep_addr	)
> +#endif
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(name, lock->name)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		tp_assign(lockdep_addr, lock)
> +#endif
> +	),
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +	TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
> +#else
> +	TP_printk("%s",  __get_str(name))
> +#endif
> +)
> +
> +TRACE_EVENT(lock_acquired,
> +
> +	TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
> +
> +	TP_ARGS(lock, ip, waittime),
> +
> +	TP_STRUCT__entry(
> +		__string(	name, 	lock->name	)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		__field(	s64,    wait_nsec	)
> +		__field(	void *, lockdep_addr	)
> +#else
> +		__field(unsigned long, wait_usec)
> +		__field(unsigned long, wait_nsec_rem)
> +#endif
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(name, lock->name)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +		tp_assign(wait_nsec, waittime)
> +		tp_assign(lockdep_addr, lock)
> +#else
> +		tp_assign(wait_usec, (unsigned long)waittime)
> +		tp_assign(wait_nsec_rem, do_div(waittime, NSEC_PER_USEC))
> +#endif
> +	),
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
> +	TP_printk("%p %s (%llu ns)",  __entry->lockdep_addr,
> +		  __get_str(name), __entry->wait_nsec)
> +#else
> +	TP_printk("%s (%lu.%03lu us)",
> +		  __get_str(name),
> +		  __entry->wait_usec, __entry->wait_nsec_rem)
> +#endif
> +)
> +
> +#endif
> +
> +#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
> +
>  #endif
>  
>  #endif /* _TRACE_LOCK_H */
> diff --git a/instrumentation/events/lttng-module/module.h b/instrumentation/events/lttng-module/module.h
> index 65a8135..c63f866 100644
> --- a/instrumentation/events/lttng-module/module.h
> +++ b/instrumentation/events/lttng-module/module.h
> @@ -15,6 +15,7 @@
>  #define _TRACE_MODULE_H
>  
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
>  #ifdef CONFIG_MODULES
>  
> @@ -69,9 +70,15 @@ TRACE_EVENT(module_free,
>  
>  DECLARE_EVENT_CLASS(module_refcnt,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
>  	TP_PROTO(struct module *mod, unsigned long ip),
>  
>  	TP_ARGS(mod, ip),
> +#else
> +	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
> +
> +	TP_ARGS(mod, ip, refcnt),
> +#endif
>  
>  	TP_STRUCT__entry(
>  		__field(	unsigned long,	ip		)
> @@ -81,7 +88,11 @@ DECLARE_EVENT_CLASS(module_refcnt,
>  
>  	TP_fast_assign(
>  		tp_assign(ip, ip)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
>  		tp_assign(refcnt, __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs))
> +#else
> +		tp_assign(refcnt, refcnt)
> +#endif
>  		tp_strcpy(name, mod->name)
>  	),
>  
> @@ -91,16 +102,28 @@ DECLARE_EVENT_CLASS(module_refcnt,
>  
>  DEFINE_EVENT(module_refcnt, module_get,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
>  	TP_PROTO(struct module *mod, unsigned long ip),
>  
>  	TP_ARGS(mod, ip)
> +#else
> +	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
> +
> +	TP_ARGS(mod, ip, refcnt)
> +#endif
>  )
>  
>  DEFINE_EVENT(module_refcnt, module_put,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
>  	TP_PROTO(struct module *mod, unsigned long ip),
>  
>  	TP_ARGS(mod, ip)
> +#else
> +	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
> +
> +	TP_ARGS(mod, ip, refcnt)
> +#endif
>  )
>  #endif /* CONFIG_MODULE_UNLOAD */
>  
> diff --git a/instrumentation/events/lttng-module/power.h b/instrumentation/events/lttng-module/power.h
> index f2e3f54..7eeb87c 100644
> --- a/instrumentation/events/lttng-module/power.h
> +++ b/instrumentation/events/lttng-module/power.h
> @@ -6,7 +6,9 @@
>  
>  #include <linux/ktime.h>
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
>  DECLARE_EVENT_CLASS(cpu,
>  
>  	TP_PROTO(unsigned int state, unsigned int cpu_id),
> @@ -64,8 +66,50 @@ TRACE_EVENT(machine_suspend,
>  
>  	TP_printk("state=%lu", (unsigned long)__entry->state)
>  )
> +#endif
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
> +DECLARE_EVENT_CLASS(wakeup_source,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state),
> +
> +	TP_STRUCT__entry(
> +		__string(       name,           name            )
> +		__field(        u64,            state           )
> +	),
> +
> +	TP_fast_assign(
> +		tp_strcpy(name, name)
> +		tp_assign(state, state)
> +	),
> +
> +	TP_printk("%s state=0x%lx", __get_str(name),
> +		(unsigned long)__entry->state)
> +)
> +
> +DEFINE_EVENT(wakeup_source, wakeup_source_activate,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state)
> +)
> +
> +DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state)
> +)
> +#endif
> +
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
> +#undef CONFIG_EVENT_POWER_TRACING_DEPRECATED
> +#define CONFIG_EVENT_POWER_TRACING_DEPRECATED
> +#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
> +#endif
>  
> -/* This code will be removed after deprecation time exceeded (2.6.41) */
>  #ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
>  
>  /*
> @@ -74,56 +118,100 @@ TRACE_EVENT(machine_suspend,
>   */
>  DECLARE_EVENT_CLASS(power,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
>  
>  	TP_ARGS(type, state, cpu_id),
> +#else
> +	TP_PROTO(unsigned int type, unsigned int state),
> +
> +	TP_ARGS(type, state),
> +#endif
>  
>  	TP_STRUCT__entry(
>  		__field(	u64,		type		)
>  		__field(	u64,		state		)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  		__field(	u64,		cpu_id		)
> +#endif
>  	),
>  
>  	TP_fast_assign(
>  		tp_assign(type, type)
>  		tp_assign(state, state)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  		tp_assign(cpu_id, cpu_id)
> +#endif
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
>  		(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
> +#else
> +	TP_printk("type=%lu state=%lu", (unsigned long)__entry->type,
> +		(unsigned long)__entry->state)
> +#endif
>  )
>  
>  DEFINE_EVENT(power, power_start,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
>  
>  	TP_ARGS(type, state, cpu_id)
> +#else
> +	TP_PROTO(unsigned int type, unsigned int state),
> +
> +	TP_ARGS(type, state)
> +#endif
>  )
>  
>  DEFINE_EVENT(power, power_frequency,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
>  
>  	TP_ARGS(type, state, cpu_id)
> +#else
> +	TP_PROTO(unsigned int type, unsigned int state),
> +
> +	TP_ARGS(type, state)
> +#endif
>  )
>  
>  TRACE_EVENT(power_end,
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_PROTO(unsigned int cpu_id),
>  
>  	TP_ARGS(cpu_id),
> +#else
> +	TP_PROTO(int dummy),
> +
> +	TP_ARGS(dummy),
> +#endif
>  
>  	TP_STRUCT__entry(
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  		__field(	u64,		cpu_id		)
> +#else
> +		__field(	u64,		dummy		)
> +#endif
>  	),
>  
>  	TP_fast_assign(
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  		tp_assign(cpu_id, cpu_id)
> +#else
> +		tp_assign(dummy, 0xffff)
> +#endif
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
>  	TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
> -
> +#else
> +	TP_printk("dummy=%lu", (unsigned long)__entry->dummy)
> +#endif
>  )
>  
>  /* Deprecated dummy functions must be protected against multi-declartion */
> @@ -151,11 +239,16 @@ enum {
>     events get removed */
>  static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
>  static inline void trace_power_end(u64 cpuid) {};
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
> +static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
> +static inline void trace_power_end_rcuidle(u64 cpuid) {};
> +#endif
>  static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
>  #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
>  
>  #endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
>  /*
>   * The clock events are used for clock enable/disable and for
>   *  clock rate change
> @@ -234,6 +327,8 @@ DEFINE_EVENT(power_domain, power_domain_target,
>  
>  	TP_ARGS(name, state, cpu_id)
>  )
> +#endif
> +
>  #endif /* _TRACE_POWER_H */
>  
>  /* This part must be outside protection */
> diff --git a/instrumentation/events/lttng-module/sched.h b/instrumentation/events/lttng-module/sched.h
> index 005f3d1..4d30fe3 100644
> --- a/instrumentation/events/lttng-module/sched.h
> +++ b/instrumentation/events/lttng-module/sched.h
> @@ -6,10 +6,14 @@
>  
>  #include <linux/sched.h>
>  #include <linux/tracepoint.h>
> +#include <linux/binfmts.h>
> +#include <linux/version.h>
>  
>  #ifndef _TRACE_SCHED_DEF_
>  #define _TRACE_SCHED_DEF_
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
> +
>  static inline long __trace_sched_switch_state(struct task_struct *p)
>  {
>  	long state = p->state;
> @@ -19,12 +23,18 @@ static inline long __trace_sched_switch_state(struct task_struct *p)
>  	 * For all intents and purposes a preempted task is a running task.
>  	 */
>  	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
> +		state = TASK_RUNNING | TASK_STATE_MAX;
> +#else
>  		state = TASK_RUNNING;
>  #endif
> +#endif
>  
>  	return state;
>  }
>  
> +#endif
> +
>  #endif /* _TRACE_SCHED_DEF_ */
>  
>  /*
> @@ -89,7 +99,9 @@ DECLARE_EVENT_CLASS(sched_wakeup_template,
>  		__field(	pid_t,	tid			)
>  		__field(	int,	prio			)
>  		__field(	int,	success			)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  		__field(	int,	target_cpu		)
> +#endif
>  	),
>  
>  	TP_fast_assign(
> @@ -97,12 +109,25 @@ DECLARE_EVENT_CLASS(sched_wakeup_template,
>  		tp_assign(tid, p->pid)
>  		tp_assign(prio, p->prio)
>  		tp_assign(success, success)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  		tp_assign(target_cpu, task_cpu(p))
> +#endif
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
> +	)
> +	TP_perf_assign(
> +		__perf_task(p)
> +#endif
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  	TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
>  		  __entry->comm, __entry->tid, __entry->prio,
>  		  __entry->success, __entry->target_cpu)
> +#else
> +	TP_printk("comm=%s tid=%d prio=%d success=%d",
> +		  __entry->comm, __entry->tid, __entry->prio,
> +		  __entry->success)
> +#endif
>  )
>  
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
> @@ -164,12 +189,27 @@ TRACE_EVENT(sched_switch,
>  		tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
>  		tp_assign(prev_tid, prev->pid)
>  		tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
>  		tp_assign(prev_state, __trace_sched_switch_state(prev))
> +#else
> +		tp_assign(prev_state, prev->state)
> +#endif
>  		tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
>  		tp_assign(next_tid, next->pid)
>  		tp_assign(next_prio, next->prio - MAX_RT_PRIO)
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
> +	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d",
> +		__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
> +		__entry->prev_state & (TASK_STATE_MAX-1) ?
> +		  __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
> +				{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
> +				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
> +				{ 128, "W" }) : "R",
> +		__entry->prev_state & TASK_STATE_MAX ? "+" : "",
> +		__entry->next_comm, __entry->next_tid, __entry->next_prio)
> +#else
>  	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d",
>  		__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
>  		__entry->prev_state ?
> @@ -178,6 +218,7 @@ TRACE_EVENT(sched_switch,
>  				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
>  				{ 128, "W" }) : "R",
>  		__entry->next_comm, __entry->next_tid, __entry->next_prio)
> +#endif
>  )
>  
>  /*
> @@ -313,6 +354,33 @@ TRACE_EVENT(sched_process_fork,
>  		__entry->child_comm, __entry->child_tid)
>  )
>  
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
> +/*
> + * Tracepoint for sending a signal:
> + */
> +TRACE_EVENT(sched_signal_send,
> +
> +	TP_PROTO(int sig, struct task_struct *p),
> +
> +	TP_ARGS(sig, p),
> +
> +	TP_STRUCT__entry(
> +		__field(	int,	sig			)
> +		__array(	char,	comm,	TASK_COMM_LEN	)
> +		__field(	pid_t,	pid			)
> +	),
> +
> +	TP_fast_assign(
> +		tp_memcpy(comm, p->comm, TASK_COMM_LEN)
> +		tp_assign(pid, p->pid)
> +		tp_assign(sig, sig)
> +	),
> +
> +	TP_printk("sig=%d comm=%s pid=%d",
> +		__entry->sig, __entry->comm, __entry->pid)
> +)
> +#endif
> +
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
>  /*
>   * Tracepoint for exec:
> @@ -341,6 +409,7 @@ TRACE_EVENT(sched_process_exec,
>  )
>  #endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  /*
>   * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
>   *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
> @@ -396,6 +465,15 @@ DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
>  	     TP_PROTO(struct task_struct *tsk, u64 delay),
>  	     TP_ARGS(tsk, delay))
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
> +/*
> + * Tracepoint for accounting blocked time (time the task is in uninterruptible).
> + */
> +DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
> +	     TP_PROTO(struct task_struct *tsk, u64 delay),
> +	     TP_ARGS(tsk, delay))
> +#endif
> +
>  /*
>   * Tracepoint for accounting runtime (time the task is executing
>   * on a CPU).
> @@ -421,6 +499,9 @@ TRACE_EVENT(sched_stat_runtime,
>  	)
>  	TP_perf_assign(
>  		__perf_count(runtime)
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
> +		__perf_task(tsk)
> +#endif
>  	),
>  
>  	TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
> @@ -428,7 +509,9 @@ TRACE_EVENT(sched_stat_runtime,
>  			(unsigned long long)__entry->runtime,
>  			(unsigned long long)__entry->vruntime)
>  )
> +#endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
>  /*
>   * Tracepoint for showing priority inheritance modifying a tasks
>   * priority.
> @@ -457,6 +540,7 @@ TRACE_EVENT(sched_pi_setprio,
>  			__entry->comm, __entry->tid,
>  			__entry->oldprio, __entry->newprio)
>  )
> +#endif
>  
>  #endif /* _TRACE_SCHED_H */
>  
> diff --git a/instrumentation/events/lttng-module/scsi.h b/instrumentation/events/lttng-module/scsi.h
> index 18d2b02..15f0c70 100644
> --- a/instrumentation/events/lttng-module/scsi.h
> +++ b/instrumentation/events/lttng-module/scsi.h
> @@ -8,6 +8,7 @@
>  #include <scsi/scsi_host.h>
>  #include <linux/tracepoint.h>
>  #include <linux/trace_seq.h>
> +#include <linux/version.h>
>  
>  #ifndef _TRACE_SCSI_DEF
>  #define _TRACE_SCSI_DEF
> @@ -187,6 +188,7 @@
>  		scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE),	\
>  		scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  #define scsi_prot_op_name(result)	{ result, #result }
>  #define show_prot_op_name(val)					\
>  	__print_symbolic(val,					\
> @@ -197,6 +199,7 @@
>  		scsi_prot_op_name(SCSI_PROT_WRITE_INSERT),	\
>  		scsi_prot_op_name(SCSI_PROT_READ_PASS),		\
>  		scsi_prot_op_name(SCSI_PROT_WRITE_PASS))
> +#endif
>  
>  const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
>  #define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
> @@ -217,7 +220,9 @@ TRACE_EVENT(scsi_dispatch_cmd_start,
>  		__field( unsigned int,	cmd_len )
>  		__field( unsigned int,	data_sglen )
>  		__field( unsigned int,	prot_sglen )
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		__field( unsigned char,	prot_op )
> +#endif
>  		__dynamic_array_hex(unsigned char,	cmnd, cmd->cmd_len)
>  	),
>  
> @@ -230,15 +235,24 @@ TRACE_EVENT(scsi_dispatch_cmd_start,
>  		tp_assign(cmd_len, cmd->cmd_len)
>  		tp_assign(data_sglen, scsi_sg_count(cmd))
>  		tp_assign(prot_sglen, scsi_prot_sg_count(cmd))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		tp_assign(prot_op, scsi_get_prot_op(cmd))
> +#endif
>  		tp_memcpy_dyn(cmnd, cmd->cmnd)
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
>  		  " prot_op=%s cmnd=(%s %s raw=%s)",
> +#else
> +	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
> +		  " cmnd=(%s %s raw=%s)",
> +#endif
>  		  __entry->host_no, __entry->channel, __entry->id,
>  		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		  show_prot_op_name(__entry->prot_op),
> +#endif
>  		  show_opcode_name(__entry->opcode),
>  		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
>  		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
> @@ -260,7 +274,9 @@ TRACE_EVENT(scsi_dispatch_cmd_error,
>  		__field( unsigned int,	cmd_len )
>  		__field( unsigned int,	data_sglen )
>  		__field( unsigned int,	prot_sglen )
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		__field( unsigned char,	prot_op )
> +#endif
>  		__dynamic_array_hex(unsigned char,	cmnd, cmd->cmd_len)
>  	),
>  
> @@ -274,15 +290,24 @@ TRACE_EVENT(scsi_dispatch_cmd_error,
>  		tp_assign(cmd_len, cmd->cmd_len)
>  		tp_assign(data_sglen, scsi_sg_count(cmd))
>  		tp_assign(prot_sglen, scsi_prot_sg_count(cmd))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		tp_assign(prot_op, scsi_get_prot_op(cmd))
> +#endif
>  		tp_memcpy_dyn(cmnd, cmd->cmnd)
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
>  		  " prot_op=%s cmnd=(%s %s raw=%s) rtn=%d",
> +#else
> +	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
> +		  " cmnd=(%s %s raw=%s) rtn=%d",
> +#endif
>  		  __entry->host_no, __entry->channel, __entry->id,
>  		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		  show_prot_op_name(__entry->prot_op),
> +#endif
>  		  show_opcode_name(__entry->opcode),
>  		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
>  		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
> @@ -305,7 +330,9 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
>  		__field( unsigned int,	cmd_len )
>  		__field( unsigned int,	data_sglen )
>  		__field( unsigned int,	prot_sglen )
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		__field( unsigned char,	prot_op )
> +#endif
>  		__dynamic_array_hex(unsigned char,	cmnd, cmd->cmd_len)
>  	),
>  
> @@ -319,16 +346,26 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
>  		tp_assign(cmd_len, cmd->cmd_len)
>  		tp_assign(data_sglen, scsi_sg_count(cmd))
>  		tp_assign(prot_sglen, scsi_prot_sg_count(cmd))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		tp_assign(prot_op, scsi_get_prot_op(cmd))
> +#endif
>  		tp_memcpy_dyn(cmnd, cmd->cmnd)
>  	),
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \
>  		  "prot_sgl=%u prot_op=%s cmnd=(%s %s raw=%s) result=(driver=" \
>  		  "%s host=%s message=%s status=%s)",
> +#else
> +	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \
> +		  "prot_sgl=%u cmnd=(%s %s raw=%s) result=(driver=%s host=%s " \
> +		  "message=%s status=%s)",
> +#endif
>  		  __entry->host_no, __entry->channel, __entry->id,
>  		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
>  		  show_prot_op_name(__entry->prot_op),
> +#endif
>  		  show_opcode_name(__entry->opcode),
>  		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
>  		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
> diff --git a/instrumentation/events/lttng-module/signal.h b/instrumentation/events/lttng-module/signal.h
> index 945747f..a1c904b 100644
> --- a/instrumentation/events/lttng-module/signal.h
> +++ b/instrumentation/events/lttng-module/signal.h
> @@ -135,6 +135,7 @@ TRACE_EVENT(signal_deliver,
>  		  __entry->sa_handler, __entry->sa_flags)
>  )
>  
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
>  DECLARE_EVENT_CLASS(signal_queue_overflow,
>  
>  	TP_PROTO(int sig, int group, struct siginfo *info),
> @@ -193,6 +194,7 @@ DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
>  
>  	TP_ARGS(sig, group, info)
>  )
> +#endif
>  
>  #endif /* _TRACE_SIGNAL_H */
>  
> diff --git a/instrumentation/events/lttng-module/skb.h b/instrumentation/events/lttng-module/skb.h
> index 3163356..c8a6160 100644
> --- a/instrumentation/events/lttng-module/skb.h
> +++ b/instrumentation/events/lttng-module/skb.h
> @@ -7,6 +7,7 @@
>  #include <linux/skbuff.h>
>  #include <linux/netdevice.h>
>  #include <linux/tracepoint.h>
> +#include <linux/version.h>
>  
>  /*
>   * Tracepoint for free an sk_buff:
> @@ -33,6 +34,7 @@ TRACE_EVENT(kfree_skb,
>  		__entry->skbaddr, __entry->protocol, __entry->location)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
>  TRACE_EVENT(consume_skb,
>  
>  	TP_PROTO(struct sk_buff *skb),
> @@ -49,7 +51,9 @@ TRACE_EVENT(consume_skb,
>  
>  	TP_printk("skbaddr=%p", __entry->skbaddr)
>  )
> +#endif
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
>  TRACE_EVENT(skb_copy_datagram_iovec,
>  
>  	TP_PROTO(const struct sk_buff *skb, int len),
> @@ -68,6 +72,7 @@ TRACE_EVENT(skb_copy_datagram_iovec,
>  
>  	TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
>  )
> +#endif
>  
>  #endif /* _TRACE_SKB_H */
>  
> diff --git a/instrumentation/events/lttng-module/vmscan.h b/instrumentation/events/lttng-module/vmscan.h
> index d6ab952..c137310 100644
> --- a/instrumentation/events/lttng-module/vmscan.h
> +++ b/instrumentation/events/lttng-module/vmscan.h
> @@ -4,6 +4,47 @@
>  #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_VMSCAN_H
>  
> +#include <linux/types.h>
> +#include <linux/tracepoint.h>
> +#include <linux/mm.h>
> +#include <linux/memcontrol.h>
> +#include <trace/events/gfpflags.h>
> +#include <linux/version.h>
> +
> +#ifndef _TRACE_VMSCAN_DEF
> +#define _TRACE_VMSCAN_DEF
> +#define RECLAIM_WB_ANON		0x0001u
> +#define RECLAIM_WB_FILE		0x0002u
> +#define RECLAIM_WB_MIXED	0x0010u
> +#define RECLAIM_WB_SYNC		0x0004u /* Unused, all reclaim async */
> +#define RECLAIM_WB_ASYNC	0x0008u
> +
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
> +#define show_reclaim_flags(flags)				\
> +	(flags) ? __print_flags(flags, "|",			\
> +		{RECLAIM_WB_ANON,	"RECLAIM_WB_ANON"},	\
> +		{RECLAIM_WB_FILE,	"RECLAIM_WB_FILE"},	\
> +		{RECLAIM_WB_MIXED,	"RECLAIM_WB_MIXED"},	\
> +		{RECLAIM_WB_SYNC,	"RECLAIM_WB_SYNC"},	\
> +		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
> +		) : "RECLAIM_WB_NONE"
> +#else
> +#define show_reclaim_flags(flags)				\
> +	(flags) ? __print_flags(flags, "|",			\
> +		{RECLAIM_WB_ANON,	"RECLAIM_WB_ANON"},	\
> +		{RECLAIM_WB_FILE,	"RECLAIM_WB_FILE"},	\
> +		{RECLAIM_WB_SYNC,	"RECLAIM_WB_SYNC"},	\
> +		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
> +		) : "RECLAIM_WB_NONE"
> +#endif
> +
> +#if ((LINUX_VERSION_CODE <= KERNEL_VERSION(3,0,38)) || \
> +	LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
> +typedef int isolate_mode_t;
> +#endif
> +
> +#endif
> +
>  TRACE_EVENT(mm_vmscan_kswapd_sleep,
>  
>  	TP_PROTO(int nid),
> @@ -147,6 +188,7 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_re
>  	TP_ARGS(nr_reclaimed)
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
>  TRACE_EVENT(mm_shrink_slab_start,
>  	TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
>  		long nr_objects_to_shrink, unsigned long pgs_scanned,
> @@ -224,6 +266,7 @@ TRACE_EVENT(mm_shrink_slab_end,
>  		__entry->total_scan,
>  		__entry->retval)
>  )
> +#endif
>  
>  DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  
> @@ -231,30 +274,41 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  		unsigned long nr_requested,
>  		unsigned long nr_scanned,
>  		unsigned long nr_taken,
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
>  		unsigned long nr_lumpy_taken,
>  		unsigned long nr_lumpy_dirty,
>  		unsigned long nr_lumpy_failed,
> +#endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -		isolate_mode_t isolate_mode),
> +		isolate_mode_t isolate_mode
>  #else
>  		isolate_mode_t isolate_mode,
> -		int file),
> +		int file
>  #endif
> +	),
>  
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> +		nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
> +#endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
> +		isolate_mode
>  #else
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file),
> +		isolate_mode, file
>  #endif
> +	),
> +
>  
>  	TP_STRUCT__entry(
>  		__field(int, order)
>  		__field(unsigned long, nr_requested)
>  		__field(unsigned long, nr_scanned)
>  		__field(unsigned long, nr_taken)
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
>  		__field(unsigned long, nr_lumpy_taken)
>  		__field(unsigned long, nr_lumpy_dirty)
>  		__field(unsigned long, nr_lumpy_failed)
> +#endif
>  		__field(isolate_mode_t, isolate_mode)
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
>  		__field(int, file)
> @@ -266,9 +320,11 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  		tp_assign(nr_requested, nr_requested)
>  		tp_assign(nr_scanned, nr_scanned)
>  		tp_assign(nr_taken, nr_taken)
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
>  		tp_assign(nr_lumpy_taken, nr_lumpy_taken)
>  		tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
>  		tp_assign(nr_lumpy_failed, nr_lumpy_failed)
> +#endif
>  		tp_assign(isolate_mode, isolate_mode)
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
>  		tp_assign(file, file)
> @@ -277,9 +333,6 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
>  	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
> -#else
> -	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu file=%d",
> -#endif
>  		__entry->isolate_mode,
>  		__entry->order,
>  		__entry->nr_requested,
> @@ -287,11 +340,26 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  		__entry->nr_taken,
>  		__entry->nr_lumpy_taken,
>  		__entry->nr_lumpy_dirty,
> -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
>  		__entry->nr_lumpy_failed)
> -#else
> +#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> +	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu file=%d",
> +		__entry->isolate_mode,
> +		__entry->order,
> +		__entry->nr_requested,
> +		__entry->nr_scanned,
> +		__entry->nr_taken,
> +		__entry->nr_lumpy_taken,
> +		__entry->nr_lumpy_dirty,
>  		__entry->nr_lumpy_failed,
>  		__entry->file)
> +#else
> +	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
> +		__entry->isolate_mode,
> +		__entry->order,
> +		__entry->nr_requested,
> +		__entry->nr_scanned,
> +		__entry->nr_taken,
> +		__entry->file)
>  #endif
>  )
>  
> @@ -307,19 +375,23 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
>  		unsigned long nr_lumpy_failed,
>  #endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -		isolate_mode_t isolate_mode),
> +		isolate_mode_t isolate_mode
>  #else
>  		isolate_mode_t isolate_mode,
> -		int file),
> +		int file
>  #endif
> +	),
>  
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> +		nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
> +#endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
> -#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file)
> +		isolate_mode
>  #else
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
> +		isolate_mode, file
>  #endif
> +	)
>  
>  )
>  
> @@ -335,20 +407,23 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
>  		unsigned long nr_lumpy_failed,
>  #endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -		isolate_mode_t isolate_mode),
> +		isolate_mode_t isolate_mode
>  #else
>  		isolate_mode_t isolate_mode,
> -		int file),
> +		int file
>  #endif
> +	),
>  
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> +		nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
> +#endif
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
> -#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file)
> +		isolate_mode
>  #else
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
> +		isolate_mode, file
>  #endif
> -
> +	)
>  )
>  
>  TRACE_EVENT(mm_vmscan_writepage,
> @@ -374,6 +449,7 @@ TRACE_EVENT(mm_vmscan_writepage,
>  		show_reclaim_flags(__entry->reclaim_flags))
>  )
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
>  TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
>  
>  	TP_PROTO(int nid, int zid,
> @@ -406,9 +482,9 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
>  		__entry->priority,
>  		show_reclaim_flags(__entry->reclaim_flags))
>  )
> +#endif
>  
>  #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
> -
>  TRACE_EVENT(replace_swap_token,
>  	TP_PROTO(struct mm_struct *old_mm,
>  		 struct mm_struct *new_mm),
> @@ -490,7 +566,6 @@ TRACE_EVENT_CONDITION(update_swap_token_priority,
>  		  __entry->mm, __entry->old_prio, __entry->new_prio,
>  		  __entry->swap_token_mm, __entry->swap_token_prio)
>  )
> -
>  #endif
>  
>  #endif /* _TRACE_VMSCAN_H */
> diff --git a/instrumentation/events/mainline/asoc.h b/instrumentation/events/mainline/asoc.h
> index ab26f8a..5fc2dcd 100644
> --- a/instrumentation/events/mainline/asoc.h
> +++ b/instrumentation/events/mainline/asoc.h
> @@ -7,6 +7,8 @@
>  #include <linux/ktime.h>
>  #include <linux/tracepoint.h>
>  
> +#define DAPM_DIRECT "(direct)"
> +
>  struct snd_soc_jack;
>  struct snd_soc_codec;
>  struct snd_soc_platform;
> @@ -241,6 +243,84 @@ TRACE_EVENT(snd_soc_dapm_walk_done,
>  		  (int)__entry->path_checks, (int)__entry->neighbour_checks)
>  );
>  
> +TRACE_EVENT(snd_soc_dapm_output_path,
> +
> +	TP_PROTO(struct snd_soc_dapm_widget *widget,
> +		struct snd_soc_dapm_path *path),
> +
> +	TP_ARGS(widget, path),
> +
> +	TP_STRUCT__entry(
> +		__string(	wname,	widget->name		)
> +		__string(	pname,	path->name ? path->name : DAPM_DIRECT)
> +		__string(	psname,	path->sink->name	)
> +		__field(	int,	path_sink		)
> +		__field(	int,	path_connect		)
> +	),
> +
> +	TP_fast_assign(
> +		__assign_str(wname, widget->name);
> +		__assign_str(pname, path->name ? path->name : DAPM_DIRECT);
> +		__assign_str(psname, path->sink->name);
> +		__entry->path_connect = path->connect;
> +		__entry->path_sink = (long)path->sink;
> +	),
> +
> +	TP_printk("%c%s -> %s -> %s\n",
> +		(int) __entry->path_sink &&
> +		(int) __entry->path_connect ? '*' : ' ',
> +		__get_str(wname), __get_str(pname), __get_str(psname))
> +);
> +
> +TRACE_EVENT(snd_soc_dapm_input_path,
> +
> +	TP_PROTO(struct snd_soc_dapm_widget *widget,
> +		struct snd_soc_dapm_path *path),
> +
> +	TP_ARGS(widget, path),
> +
> +	TP_STRUCT__entry(
> +		__string(	wname,	widget->name		)
> +		__string(	pname,	path->name ? path->name : DAPM_DIRECT)
> +		__string(	psname,	path->source->name	)
> +		__field(	int,	path_source		)
> +		__field(	int,	path_connect		)
> +	),
> +
> +	TP_fast_assign(
> +		__assign_str(wname, widget->name);
> +		__assign_str(pname, path->name ? path->name : DAPM_DIRECT);
> +		__assign_str(psname, path->source->name);
> +		__entry->path_connect = path->connect;
> +		__entry->path_source = (long)path->source;
> +	),
> +
> +	TP_printk("%c%s <- %s <- %s\n",
> +		(int) __entry->path_source &&
> +		(int) __entry->path_connect ? '*' : ' ',
> +		__get_str(wname), __get_str(pname), __get_str(psname))
> +);
> +
> +TRACE_EVENT(snd_soc_dapm_connected,
> +
> +	TP_PROTO(int paths, int stream),
> +
> +	TP_ARGS(paths, stream),
> +
> +	TP_STRUCT__entry(
> +		__field(	int,	paths		)
> +		__field(	int,	stream		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->paths = paths;
> +		__entry->stream = stream;
> +	),
> +
> +	TP_printk("%s: found %d paths\n",
> +		__entry->stream ? "capture" : "playback", __entry->paths)
> +);
> +
>  TRACE_EVENT(snd_soc_jack_irq,
>  
>  	TP_PROTO(const char *name),
> diff --git a/instrumentation/events/mainline/block.h b/instrumentation/events/mainline/block.h
> index bf36654..05c5e61 100644
> --- a/instrumentation/events/mainline/block.h
> +++ b/instrumentation/events/mainline/block.h
> @@ -8,6 +8,8 @@
>  #include <linux/blkdev.h>
>  #include <linux/tracepoint.h>
>  
> +#define RWBS_LEN	8
> +
>  DECLARE_EVENT_CLASS(block_rq_with_error,
>  
>  	TP_PROTO(struct request_queue *q, struct request *rq),
> @@ -19,7 +21,7 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
>  		__field(  sector_t,	sector			)
>  		__field(  unsigned int,	nr_sector		)
>  		__field(  int,		errors			)
> -		__array(  char,		rwbs,	6		)
> +		__array(  char,		rwbs,	RWBS_LEN	)
>  		__dynamic_array( char,	cmd,	blk_cmd_buf_len(rq)	)
>  	),
>  
> @@ -104,7 +106,7 @@ DECLARE_EVENT_CLASS(block_rq,
>  		__field(  sector_t,	sector			)
>  		__field(  unsigned int,	nr_sector		)
>  		__field(  unsigned int,	bytes			)
> -		__array(  char,		rwbs,	6		)
> +		__array(  char,		rwbs,	RWBS_LEN	)
>  		__array(  char,         comm,   TASK_COMM_LEN   )
>  		__dynamic_array( char,	cmd,	blk_cmd_buf_len(rq)	)
>  	),
> @@ -183,7 +185,7 @@ TRACE_EVENT(block_bio_bounce,
>  		__field( dev_t,		dev			)
>  		__field( sector_t,	sector			)
>  		__field( unsigned int,	nr_sector		)
> -		__array( char,		rwbs,	6		)
> +		__array( char,		rwbs,	RWBS_LEN	)
>  		__array( char,		comm,	TASK_COMM_LEN	)
>  	),
>  
> @@ -222,7 +224,7 @@ TRACE_EVENT(block_bio_complete,
>  		__field( sector_t,	sector		)
>  		__field( unsigned,	nr_sector	)
>  		__field( int,		error		)
> -		__array( char,		rwbs,	6	)
> +		__array( char,		rwbs,	RWBS_LEN)
>  	),
>  
>  	TP_fast_assign(
> @@ -249,7 +251,7 @@ DECLARE_EVENT_CLASS(block_bio,
>  		__field( dev_t,		dev			)
>  		__field( sector_t,	sector			)
>  		__field( unsigned int,	nr_sector		)
> -		__array( char,		rwbs,	6		)
> +		__array( char,		rwbs,	RWBS_LEN	)
>  		__array( char,		comm,	TASK_COMM_LEN	)
>  	),
>  
> @@ -321,7 +323,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
>  		__field( dev_t,		dev			)
>  		__field( sector_t,	sector			)
>  		__field( unsigned int,	nr_sector		)
> -		__array( char,		rwbs,	6		)
> +		__array( char,		rwbs,	RWBS_LEN	)
>  		__array( char,		comm,	TASK_COMM_LEN	)
>          ),
>  
> @@ -456,7 +458,7 @@ TRACE_EVENT(block_split,
>  		__field( dev_t,		dev				)
>  		__field( sector_t,	sector				)
>  		__field( sector_t,	new_sector			)
> -		__array( char,		rwbs,		6		)
> +		__array( char,		rwbs,		RWBS_LEN	)
>  		__array( char,		comm,		TASK_COMM_LEN	)
>  	),
>  
> @@ -498,7 +500,7 @@ TRACE_EVENT(block_bio_remap,
>  		__field( unsigned int,	nr_sector	)
>  		__field( dev_t,		old_dev		)
>  		__field( sector_t,	old_sector	)
> -		__array( char,		rwbs,	6	)
> +		__array( char,		rwbs,	RWBS_LEN)
>  	),
>  
>  	TP_fast_assign(
> @@ -542,7 +544,7 @@ TRACE_EVENT(block_rq_remap,
>  		__field( unsigned int,	nr_sector	)
>  		__field( dev_t,		old_dev		)
>  		__field( sector_t,	old_sector	)
> -		__array( char,		rwbs,	6	)
> +		__array( char,		rwbs,	RWBS_LEN)
>  	),
>  
>  	TP_fast_assign(
> diff --git a/instrumentation/events/mainline/ext3.h b/instrumentation/events/mainline/ext3.h
> index 7b53c05..15d11a3 100644
> --- a/instrumentation/events/mainline/ext3.h
> +++ b/instrumentation/events/mainline/ext3.h
> @@ -24,8 +24,8 @@ TRACE_EVENT(ext3_free_inode,
>  		__entry->dev	= inode->i_sb->s_dev;
>  		__entry->ino	= inode->i_ino;
>  		__entry->mode	= inode->i_mode;
> -		__entry->uid	= inode->i_uid;
> -		__entry->gid	= inode->i_gid;
> +		__entry->uid	= i_uid_read(inode);
> +		__entry->gid	= i_gid_read(inode);
>  		__entry->blocks	= inode->i_blocks;
>  	),
>  
> diff --git a/instrumentation/events/mainline/fs_ext3.h b/instrumentation/events/mainline/fs_ext3.h
> deleted file mode 100644
> index 76353e4..0000000
> --- a/instrumentation/events/mainline/fs_ext3.h
> +++ /dev/null
> @@ -1,1323 +0,0 @@
> -/*
> - * Written by Stephen C. Tweedie <sct at redhat.com>, 1999
> - *
> - * Copyright 1998--1999 Red Hat corp --- All Rights Reserved
> - *
> - * This file is part of the Linux kernel and is made available under
> - * the terms of the GNU General Public License, version 2, or at your
> - * option, any later version, incorporated herein by reference.
> - *
> - * Copyright (C) 1992, 1993, 1994, 1995
> - * Remy Card (card at masi.ibp.fr)
> - * Laboratoire MASI - Institut Blaise Pascal
> - * Universite Pierre et Marie Curie (Paris VI)
> - *
> - *  from
> - *
> - *  linux/include/linux/minix_fs.h
> - *
> - *  Copyright (C) 1991, 1992  Linus Torvalds
> - */
> -
> -#include <linux/fs.h>
> -#include <linux/jbd.h>
> -#include <linux/magic.h>
> -#include <linux/bug.h>
> -#include <linux/blockgroup_lock.h>
> -
> -/*
> - * The second extended filesystem constants/structures
> - */
> -
> -/*
> - * Define EXT3FS_DEBUG to produce debug messages
> - */
> -#undef EXT3FS_DEBUG
> -
> -/*
> - * Define EXT3_RESERVATION to reserve data blocks for expanding files
> - */
> -#define EXT3_DEFAULT_RESERVE_BLOCKS     8
> -/*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */
> -#define EXT3_MAX_RESERVE_BLOCKS         1027
> -#define EXT3_RESERVE_WINDOW_NOT_ALLOCATED 0
> -
> -/*
> - * Debug code
> - */
> -#ifdef EXT3FS_DEBUG
> -#define ext3_debug(f, a...)						\
> -	do {								\
> -		printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:",	\
> -			__FILE__, __LINE__, __func__);		\
> -		printk (KERN_DEBUG f, ## a);				\
> -	} while (0)
> -#else
> -#define ext3_debug(f, a...)	do {} while (0)
> -#endif
> -
> -/*
> - * Special inodes numbers
> - */
> -#define	EXT3_BAD_INO		 1	/* Bad blocks inode */
> -#define EXT3_ROOT_INO		 2	/* Root inode */
> -#define EXT3_BOOT_LOADER_INO	 5	/* Boot loader inode */
> -#define EXT3_UNDEL_DIR_INO	 6	/* Undelete directory inode */
> -#define EXT3_RESIZE_INO		 7	/* Reserved group descriptors inode */
> -#define EXT3_JOURNAL_INO	 8	/* Journal inode */
> -
> -/* First non-reserved inode for old ext3 filesystems */
> -#define EXT3_GOOD_OLD_FIRST_INO	11
> -
> -/*
> - * Maximal count of links to a file
> - */
> -#define EXT3_LINK_MAX		32000
> -
> -/*
> - * Macro-instructions used to manage several block sizes
> - */
> -#define EXT3_MIN_BLOCK_SIZE		1024
> -#define	EXT3_MAX_BLOCK_SIZE		65536
> -#define EXT3_MIN_BLOCK_LOG_SIZE		10
> -#define EXT3_BLOCK_SIZE(s)		((s)->s_blocksize)
> -#define	EXT3_ADDR_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (__u32))
> -#define EXT3_BLOCK_SIZE_BITS(s)	((s)->s_blocksize_bits)
> -#define	EXT3_ADDR_PER_BLOCK_BITS(s)	(EXT3_SB(s)->s_addr_per_block_bits)
> -#define EXT3_INODE_SIZE(s)		(EXT3_SB(s)->s_inode_size)
> -#define EXT3_FIRST_INO(s)		(EXT3_SB(s)->s_first_ino)
> -
> -/*
> - * Macro-instructions used to manage fragments
> - */
> -#define EXT3_MIN_FRAG_SIZE		1024
> -#define	EXT3_MAX_FRAG_SIZE		4096
> -#define EXT3_MIN_FRAG_LOG_SIZE		  10
> -#define EXT3_FRAG_SIZE(s)		(EXT3_SB(s)->s_frag_size)
> -#define EXT3_FRAGS_PER_BLOCK(s)		(EXT3_SB(s)->s_frags_per_block)
> -
> -/*
> - * Structure of a blocks group descriptor
> - */
> -struct ext3_group_desc
> -{
> -	__le32	bg_block_bitmap;		/* Blocks bitmap block */
> -	__le32	bg_inode_bitmap;		/* Inodes bitmap block */
> -	__le32	bg_inode_table;		/* Inodes table block */
> -	__le16	bg_free_blocks_count;	/* Free blocks count */
> -	__le16	bg_free_inodes_count;	/* Free inodes count */
> -	__le16	bg_used_dirs_count;	/* Directories count */
> -	__u16	bg_pad;
> -	__le32	bg_reserved[3];
> -};
> -
> -/*
> - * Macro-instructions used to manage group descriptors
> - */
> -#define EXT3_BLOCKS_PER_GROUP(s)	(EXT3_SB(s)->s_blocks_per_group)
> -#define EXT3_DESC_PER_BLOCK(s)		(EXT3_SB(s)->s_desc_per_block)
> -#define EXT3_INODES_PER_GROUP(s)	(EXT3_SB(s)->s_inodes_per_group)
> -#define EXT3_DESC_PER_BLOCK_BITS(s)	(EXT3_SB(s)->s_desc_per_block_bits)
> -
> -/*
> - * Constants relative to the data blocks
> - */
> -#define	EXT3_NDIR_BLOCKS		12
> -#define	EXT3_IND_BLOCK			EXT3_NDIR_BLOCKS
> -#define	EXT3_DIND_BLOCK			(EXT3_IND_BLOCK + 1)
> -#define	EXT3_TIND_BLOCK			(EXT3_DIND_BLOCK + 1)
> -#define	EXT3_N_BLOCKS			(EXT3_TIND_BLOCK + 1)
> -
> -/*
> - * Inode flags
> - */
> -#define	EXT3_SECRM_FL			0x00000001 /* Secure deletion */
> -#define	EXT3_UNRM_FL			0x00000002 /* Undelete */
> -#define	EXT3_COMPR_FL			0x00000004 /* Compress file */
> -#define EXT3_SYNC_FL			0x00000008 /* Synchronous updates */
> -#define EXT3_IMMUTABLE_FL		0x00000010 /* Immutable file */
> -#define EXT3_APPEND_FL			0x00000020 /* writes to file may only append */
> -#define EXT3_NODUMP_FL			0x00000040 /* do not dump file */
> -#define EXT3_NOATIME_FL			0x00000080 /* do not update atime */
> -/* Reserved for compression usage... */
> -#define EXT3_DIRTY_FL			0x00000100
> -#define EXT3_COMPRBLK_FL		0x00000200 /* One or more compressed clusters */
> -#define EXT3_NOCOMPR_FL			0x00000400 /* Don't compress */
> -#define EXT3_ECOMPR_FL			0x00000800 /* Compression error */
> -/* End compression flags --- maybe not all used */
> -#define EXT3_INDEX_FL			0x00001000 /* hash-indexed directory */
> -#define EXT3_IMAGIC_FL			0x00002000 /* AFS directory */
> -#define EXT3_JOURNAL_DATA_FL		0x00004000 /* file data should be journaled */
> -#define EXT3_NOTAIL_FL			0x00008000 /* file tail should not be merged */
> -#define EXT3_DIRSYNC_FL			0x00010000 /* dirsync behaviour (directories only) */
> -#define EXT3_TOPDIR_FL			0x00020000 /* Top of directory hierarchies*/
> -#define EXT3_RESERVED_FL		0x80000000 /* reserved for ext3 lib */
> -
> -#define EXT3_FL_USER_VISIBLE		0x0003DFFF /* User visible flags */
> -#define EXT3_FL_USER_MODIFIABLE		0x000380FF /* User modifiable flags */
> -
> -/* Flags that should be inherited by new inodes from their parent. */
> -#define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
> -			   EXT3_SYNC_FL | EXT3_NODUMP_FL |\
> -			   EXT3_NOATIME_FL | EXT3_COMPRBLK_FL |\
> -			   EXT3_NOCOMPR_FL | EXT3_JOURNAL_DATA_FL |\
> -			   EXT3_NOTAIL_FL | EXT3_DIRSYNC_FL)
> -
> -/* Flags that are appropriate for regular files (all but dir-specific ones). */
> -#define EXT3_REG_FLMASK (~(EXT3_DIRSYNC_FL | EXT3_TOPDIR_FL))
> -
> -/* Flags that are appropriate for non-directories/regular files. */
> -#define EXT3_OTHER_FLMASK (EXT3_NODUMP_FL | EXT3_NOATIME_FL)
> -
> -/* Mask out flags that are inappropriate for the given type of inode. */
> -static inline __u32 ext3_mask_flags(umode_t mode, __u32 flags)
> -{
> -	if (S_ISDIR(mode))
> -		return flags;
> -	else if (S_ISREG(mode))
> -		return flags & EXT3_REG_FLMASK;
> -	else
> -		return flags & EXT3_OTHER_FLMASK;
> -}
> -
> -/* Used to pass group descriptor data when online resize is done */
> -struct ext3_new_group_input {
> -	__u32 group;            /* Group number for this data */
> -	__u32 block_bitmap;     /* Absolute block number of block bitmap */
> -	__u32 inode_bitmap;     /* Absolute block number of inode bitmap */
> -	__u32 inode_table;      /* Absolute block number of inode table start */
> -	__u32 blocks_count;     /* Total number of blocks in this group */
> -	__u16 reserved_blocks;  /* Number of reserved blocks in this group */
> -	__u16 unused;
> -};
> -
> -/* The struct ext3_new_group_input in kernel space, with free_blocks_count */
> -struct ext3_new_group_data {
> -	__u32 group;
> -	__u32 block_bitmap;
> -	__u32 inode_bitmap;
> -	__u32 inode_table;
> -	__u32 blocks_count;
> -	__u16 reserved_blocks;
> -	__u16 unused;
> -	__u32 free_blocks_count;
> -};
> -
> -
> -/*
> - * ioctl commands
> - */
> -#define	EXT3_IOC_GETFLAGS		FS_IOC_GETFLAGS
> -#define	EXT3_IOC_SETFLAGS		FS_IOC_SETFLAGS
> -#define	EXT3_IOC_GETVERSION		_IOR('f', 3, long)
> -#define	EXT3_IOC_SETVERSION		_IOW('f', 4, long)
> -#define EXT3_IOC_GROUP_EXTEND		_IOW('f', 7, unsigned long)
> -#define EXT3_IOC_GROUP_ADD		_IOW('f', 8,struct ext3_new_group_input)
> -#define	EXT3_IOC_GETVERSION_OLD		FS_IOC_GETVERSION
> -#define	EXT3_IOC_SETVERSION_OLD		FS_IOC_SETVERSION
> -#ifdef CONFIG_JBD_DEBUG
> -#define EXT3_IOC_WAIT_FOR_READONLY	_IOR('f', 99, long)
> -#endif
> -#define EXT3_IOC_GETRSVSZ		_IOR('f', 5, long)
> -#define EXT3_IOC_SETRSVSZ		_IOW('f', 6, long)
> -
> -/*
> - * ioctl commands in 32 bit emulation
> - */
> -#define EXT3_IOC32_GETFLAGS		FS_IOC32_GETFLAGS
> -#define EXT3_IOC32_SETFLAGS		FS_IOC32_SETFLAGS
> -#define EXT3_IOC32_GETVERSION		_IOR('f', 3, int)
> -#define EXT3_IOC32_SETVERSION		_IOW('f', 4, int)
> -#define EXT3_IOC32_GETRSVSZ		_IOR('f', 5, int)
> -#define EXT3_IOC32_SETRSVSZ		_IOW('f', 6, int)
> -#define EXT3_IOC32_GROUP_EXTEND		_IOW('f', 7, unsigned int)
> -#ifdef CONFIG_JBD_DEBUG
> -#define EXT3_IOC32_WAIT_FOR_READONLY	_IOR('f', 99, int)
> -#endif
> -#define EXT3_IOC32_GETVERSION_OLD	FS_IOC32_GETVERSION
> -#define EXT3_IOC32_SETVERSION_OLD	FS_IOC32_SETVERSION
> -
> -
> -/*
> - *  Mount options
> - */
> -struct ext3_mount_options {
> -	unsigned long s_mount_opt;
> -	uid_t s_resuid;
> -	gid_t s_resgid;
> -	unsigned long s_commit_interval;
> -#ifdef CONFIG_QUOTA
> -	int s_jquota_fmt;
> -	char *s_qf_names[MAXQUOTAS];
> -#endif
> -};
> -
> -/*
> - * Structure of an inode on the disk
> - */
> -struct ext3_inode {
> -	__le16	i_mode;		/* File mode */
> -	__le16	i_uid;		/* Low 16 bits of Owner Uid */
> -	__le32	i_size;		/* Size in bytes */
> -	__le32	i_atime;	/* Access time */
> -	__le32	i_ctime;	/* Creation time */
> -	__le32	i_mtime;	/* Modification time */
> -	__le32	i_dtime;	/* Deletion Time */
> -	__le16	i_gid;		/* Low 16 bits of Group Id */
> -	__le16	i_links_count;	/* Links count */
> -	__le32	i_blocks;	/* Blocks count */
> -	__le32	i_flags;	/* File flags */
> -	union {
> -		struct {
> -			__u32  l_i_reserved1;
> -		} linux1;
> -		struct {
> -			__u32  h_i_translator;
> -		} hurd1;
> -		struct {
> -			__u32  m_i_reserved1;
> -		} masix1;
> -	} osd1;				/* OS dependent 1 */
> -	__le32	i_block[EXT3_N_BLOCKS];/* Pointers to blocks */
> -	__le32	i_generation;	/* File version (for NFS) */
> -	__le32	i_file_acl;	/* File ACL */
> -	__le32	i_dir_acl;	/* Directory ACL */
> -	__le32	i_faddr;	/* Fragment address */
> -	union {
> -		struct {
> -			__u8	l_i_frag;	/* Fragment number */
> -			__u8	l_i_fsize;	/* Fragment size */
> -			__u16	i_pad1;
> -			__le16	l_i_uid_high;	/* these 2 fields    */
> -			__le16	l_i_gid_high;	/* were reserved2[0] */
> -			__u32	l_i_reserved2;
> -		} linux2;
> -		struct {
> -			__u8	h_i_frag;	/* Fragment number */
> -			__u8	h_i_fsize;	/* Fragment size */
> -			__u16	h_i_mode_high;
> -			__u16	h_i_uid_high;
> -			__u16	h_i_gid_high;
> -			__u32	h_i_author;
> -		} hurd2;
> -		struct {
> -			__u8	m_i_frag;	/* Fragment number */
> -			__u8	m_i_fsize;	/* Fragment size */
> -			__u16	m_pad1;
> -			__u32	m_i_reserved2[2];
> -		} masix2;
> -	} osd2;				/* OS dependent 2 */
> -	__le16	i_extra_isize;
> -	__le16	i_pad1;
> -};
> -
> -#define i_size_high	i_dir_acl
> -
> -#define i_reserved1	osd1.linux1.l_i_reserved1
> -#define i_frag		osd2.linux2.l_i_frag
> -#define i_fsize		osd2.linux2.l_i_fsize
> -#define i_uid_low	i_uid
> -#define i_gid_low	i_gid
> -#define i_uid_high	osd2.linux2.l_i_uid_high
> -#define i_gid_high	osd2.linux2.l_i_gid_high
> -#define i_reserved2	osd2.linux2.l_i_reserved2
> -
> -/*
> - * File system states
> - */
> -#define	EXT3_VALID_FS			0x0001	/* Unmounted cleanly */
> -#define	EXT3_ERROR_FS			0x0002	/* Errors detected */
> -#define	EXT3_ORPHAN_FS			0x0004	/* Orphans being recovered */
> -
> -/*
> - * Misc. filesystem flags
> - */
> -#define EXT2_FLAGS_SIGNED_HASH		0x0001  /* Signed dirhash in use */
> -#define EXT2_FLAGS_UNSIGNED_HASH	0x0002  /* Unsigned dirhash in use */
> -#define EXT2_FLAGS_TEST_FILESYS		0x0004	/* to test development code */
> -
> -/*
> - * Mount flags
> - */
> -#define EXT3_MOUNT_CHECK		0x00001	/* Do mount-time checks */
> -/* EXT3_MOUNT_OLDALLOC was there */
> -#define EXT3_MOUNT_GRPID		0x00004	/* Create files with directory's group */
> -#define EXT3_MOUNT_DEBUG		0x00008	/* Some debugging messages */
> -#define EXT3_MOUNT_ERRORS_CONT		0x00010	/* Continue on errors */
> -#define EXT3_MOUNT_ERRORS_RO		0x00020	/* Remount fs ro on errors */
> -#define EXT3_MOUNT_ERRORS_PANIC		0x00040	/* Panic on errors */
> -#define EXT3_MOUNT_MINIX_DF		0x00080	/* Mimics the Minix statfs */
> -#define EXT3_MOUNT_NOLOAD		0x00100	/* Don't use existing journal*/
> -#define EXT3_MOUNT_ABORT		0x00200	/* Fatal error detected */
> -#define EXT3_MOUNT_DATA_FLAGS		0x00C00	/* Mode for data writes: */
> -#define EXT3_MOUNT_JOURNAL_DATA		0x00400	/* Write data to journal */
> -#define EXT3_MOUNT_ORDERED_DATA		0x00800	/* Flush data before commit */
> -#define EXT3_MOUNT_WRITEBACK_DATA	0x00C00	/* No data ordering */
> -#define EXT3_MOUNT_UPDATE_JOURNAL	0x01000	/* Update the journal format */
> -#define EXT3_MOUNT_NO_UID32		0x02000  /* Disable 32-bit UIDs */
> -#define EXT3_MOUNT_XATTR_USER		0x04000	/* Extended user attributes */
> -#define EXT3_MOUNT_POSIX_ACL		0x08000	/* POSIX Access Control Lists */
> -#define EXT3_MOUNT_RESERVATION		0x10000	/* Preallocation */
> -#define EXT3_MOUNT_BARRIER		0x20000 /* Use block barriers */
> -#define EXT3_MOUNT_QUOTA		0x80000 /* Some quota option set */
> -#define EXT3_MOUNT_USRQUOTA		0x100000 /* "old" user quota */
> -#define EXT3_MOUNT_GRPQUOTA		0x200000 /* "old" group quota */
> -#define EXT3_MOUNT_DATA_ERR_ABORT	0x400000 /* Abort on file data write
> -						  * error in ordered mode */
> -
> -/* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
> -#ifndef _LINUX_EXT2_FS_H
> -#define clear_opt(o, opt)		o &= ~EXT3_MOUNT_##opt
> -#define set_opt(o, opt)			o |= EXT3_MOUNT_##opt
> -#define test_opt(sb, opt)		(EXT3_SB(sb)->s_mount_opt & \
> -					 EXT3_MOUNT_##opt)
> -#else
> -#define EXT2_MOUNT_NOLOAD		EXT3_MOUNT_NOLOAD
> -#define EXT2_MOUNT_ABORT		EXT3_MOUNT_ABORT
> -#define EXT2_MOUNT_DATA_FLAGS		EXT3_MOUNT_DATA_FLAGS
> -#endif
> -
> -#define ext3_set_bit			__set_bit_le
> -#define ext3_set_bit_atomic		ext2_set_bit_atomic
> -#define ext3_clear_bit			__clear_bit_le
> -#define ext3_clear_bit_atomic		ext2_clear_bit_atomic
> -#define ext3_test_bit			test_bit_le
> -#define ext3_find_next_zero_bit		find_next_zero_bit_le
> -
> -/*
> - * Maximal mount counts between two filesystem checks
> - */
> -#define EXT3_DFL_MAX_MNT_COUNT		20	/* Allow 20 mounts */
> -#define EXT3_DFL_CHECKINTERVAL		0	/* Don't use interval check */
> -
> -/*
> - * Behaviour when detecting errors
> - */
> -#define EXT3_ERRORS_CONTINUE		1	/* Continue execution */
> -#define EXT3_ERRORS_RO			2	/* Remount fs read-only */
> -#define EXT3_ERRORS_PANIC		3	/* Panic */
> -#define EXT3_ERRORS_DEFAULT		EXT3_ERRORS_CONTINUE
> -
> -/*
> - * Structure of the super block
> - */
> -struct ext3_super_block {
> -/*00*/	__le32	s_inodes_count;		/* Inodes count */
> -	__le32	s_blocks_count;		/* Blocks count */
> -	__le32	s_r_blocks_count;	/* Reserved blocks count */
> -	__le32	s_free_blocks_count;	/* Free blocks count */
> -/*10*/	__le32	s_free_inodes_count;	/* Free inodes count */
> -	__le32	s_first_data_block;	/* First Data Block */
> -	__le32	s_log_block_size;	/* Block size */
> -	__le32	s_log_frag_size;	/* Fragment size */
> -/*20*/	__le32	s_blocks_per_group;	/* # Blocks per group */
> -	__le32	s_frags_per_group;	/* # Fragments per group */
> -	__le32	s_inodes_per_group;	/* # Inodes per group */
> -	__le32	s_mtime;		/* Mount time */
> -/*30*/	__le32	s_wtime;		/* Write time */
> -	__le16	s_mnt_count;		/* Mount count */
> -	__le16	s_max_mnt_count;	/* Maximal mount count */
> -	__le16	s_magic;		/* Magic signature */
> -	__le16	s_state;		/* File system state */
> -	__le16	s_errors;		/* Behaviour when detecting errors */
> -	__le16	s_minor_rev_level;	/* minor revision level */
> -/*40*/	__le32	s_lastcheck;		/* time of last check */
> -	__le32	s_checkinterval;	/* max. time between checks */
> -	__le32	s_creator_os;		/* OS */
> -	__le32	s_rev_level;		/* Revision level */
> -/*50*/	__le16	s_def_resuid;		/* Default uid for reserved blocks */
> -	__le16	s_def_resgid;		/* Default gid for reserved blocks */
> -	/*
> -	 * These fields are for EXT3_DYNAMIC_REV superblocks only.
> -	 *
> -	 * Note: the difference between the compatible feature set and
> -	 * the incompatible feature set is that if there is a bit set
> -	 * in the incompatible feature set that the kernel doesn't
> -	 * know about, it should refuse to mount the filesystem.
> -	 *
> -	 * e2fsck's requirements are more strict; if it doesn't know
> -	 * about a feature in either the compatible or incompatible
> -	 * feature set, it must abort and not try to meddle with
> -	 * things it doesn't understand...
> -	 */
> -	__le32	s_first_ino;		/* First non-reserved inode */
> -	__le16   s_inode_size;		/* size of inode structure */
> -	__le16	s_block_group_nr;	/* block group # of this superblock */
> -	__le32	s_feature_compat;	/* compatible feature set */
> -/*60*/	__le32	s_feature_incompat;	/* incompatible feature set */
> -	__le32	s_feature_ro_compat;	/* readonly-compatible feature set */
> -/*68*/	__u8	s_uuid[16];		/* 128-bit uuid for volume */
> -/*78*/	char	s_volume_name[16];	/* volume name */
> -/*88*/	char	s_last_mounted[64];	/* directory where last mounted */
> -/*C8*/	__le32	s_algorithm_usage_bitmap; /* For compression */
> -	/*
> -	 * Performance hints.  Directory preallocation should only
> -	 * happen if the EXT3_FEATURE_COMPAT_DIR_PREALLOC flag is on.
> -	 */
> -	__u8	s_prealloc_blocks;	/* Nr of blocks to try to preallocate*/
> -	__u8	s_prealloc_dir_blocks;	/* Nr to preallocate for dirs */
> -	__le16	s_reserved_gdt_blocks;	/* Per group desc for online growth */
> -	/*
> -	 * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
> -	 */
> -/*D0*/	__u8	s_journal_uuid[16];	/* uuid of journal superblock */
> -/*E0*/	__le32	s_journal_inum;		/* inode number of journal file */
> -	__le32	s_journal_dev;		/* device number of journal file */
> -	__le32	s_last_orphan;		/* start of list of inodes to delete */
> -	__le32	s_hash_seed[4];		/* HTREE hash seed */
> -	__u8	s_def_hash_version;	/* Default hash version to use */
> -	__u8	s_reserved_char_pad;
> -	__u16	s_reserved_word_pad;
> -	__le32	s_default_mount_opts;
> -	__le32	s_first_meta_bg;	/* First metablock block group */
> -	__le32	s_mkfs_time;		/* When the filesystem was created */
> -	__le32	s_jnl_blocks[17];	/* Backup of the journal inode */
> -	/* 64bit support valid if EXT4_FEATURE_COMPAT_64BIT */
> -/*150*/	__le32	s_blocks_count_hi;	/* Blocks count */
> -	__le32	s_r_blocks_count_hi;	/* Reserved blocks count */
> -	__le32	s_free_blocks_count_hi;	/* Free blocks count */
> -	__le16	s_min_extra_isize;	/* All inodes have at least # bytes */
> -	__le16	s_want_extra_isize; 	/* New inodes should reserve # bytes */
> -	__le32	s_flags;		/* Miscellaneous flags */
> -	__le16  s_raid_stride;		/* RAID stride */
> -	__le16  s_mmp_interval;         /* # seconds to wait in MMP checking */
> -	__le64  s_mmp_block;            /* Block for multi-mount protection */
> -	__le32  s_raid_stripe_width;    /* blocks on all data disks (N*stride)*/
> -	__u8	s_log_groups_per_flex;  /* FLEX_BG group size */
> -	__u8	s_reserved_char_pad2;
> -	__le16  s_reserved_pad;
> -	__u32   s_reserved[162];        /* Padding to the end of the block */
> -};
> -
> -/* data type for block offset of block group */
> -typedef int ext3_grpblk_t;
> -
> -/* data type for filesystem-wide blocks number */
> -typedef unsigned long ext3_fsblk_t;
> -
> -#define E3FSBLK "%lu"
> -
> -struct ext3_reserve_window {
> -	ext3_fsblk_t	_rsv_start;	/* First byte reserved */
> -	ext3_fsblk_t	_rsv_end;	/* Last byte reserved or 0 */
> -};
> -
> -struct ext3_reserve_window_node {
> -	struct rb_node		rsv_node;
> -	__u32			rsv_goal_size;
> -	__u32			rsv_alloc_hit;
> -	struct ext3_reserve_window	rsv_window;
> -};
> -
> -struct ext3_block_alloc_info {
> -	/* information about reservation window */
> -	struct ext3_reserve_window_node	rsv_window_node;
> -	/*
> -	 * was i_next_alloc_block in ext3_inode_info
> -	 * is the logical (file-relative) number of the
> -	 * most-recently-allocated block in this file.
> -	 * We use this for detecting linearly ascending allocation requests.
> -	 */
> -	__u32                   last_alloc_logical_block;
> -	/*
> -	 * Was i_next_alloc_goal in ext3_inode_info
> -	 * is the *physical* companion to i_next_alloc_block.
> -	 * it the physical block number of the block which was most-recentl
> -	 * allocated to this file.  This give us the goal (target) for the next
> -	 * allocation when we detect linearly ascending requests.
> -	 */
> -	ext3_fsblk_t		last_alloc_physical_block;
> -};
> -
> -#define rsv_start rsv_window._rsv_start
> -#define rsv_end rsv_window._rsv_end
> -
> -/*
> - * third extended file system inode data in memory
> - */
> -struct ext3_inode_info {
> -	__le32	i_data[15];	/* unconverted */
> -	__u32	i_flags;
> -#ifdef EXT3_FRAGMENTS
> -	__u32	i_faddr;
> -	__u8	i_frag_no;
> -	__u8	i_frag_size;
> -#endif
> -	ext3_fsblk_t	i_file_acl;
> -	__u32	i_dir_acl;
> -	__u32	i_dtime;
> -
> -	/*
> -	 * i_block_group is the number of the block group which contains
> -	 * this file's inode.  Constant across the lifetime of the inode,
> -	 * it is ued for making block allocation decisions - we try to
> -	 * place a file's data blocks near its inode block, and new inodes
> -	 * near to their parent directory's inode.
> -	 */
> -	__u32	i_block_group;
> -	unsigned long	i_state_flags;	/* Dynamic state flags for ext3 */
> -
> -	/* block reservation info */
> -	struct ext3_block_alloc_info *i_block_alloc_info;
> -
> -	__u32	i_dir_start_lookup;
> -#ifdef CONFIG_EXT3_FS_XATTR
> -	/*
> -	 * Extended attributes can be read independently of the main file
> -	 * data. Taking i_mutex even when reading would cause contention
> -	 * between readers of EAs and writers of regular file data, so
> -	 * instead we synchronize on xattr_sem when reading or changing
> -	 * EAs.
> -	 */
> -	struct rw_semaphore xattr_sem;
> -#endif
> -
> -	struct list_head i_orphan;	/* unlinked but open inodes */
> -
> -	/*
> -	 * i_disksize keeps track of what the inode size is ON DISK, not
> -	 * in memory.  During truncate, i_size is set to the new size by
> -	 * the VFS prior to calling ext3_truncate(), but the filesystem won't
> -	 * set i_disksize to 0 until the truncate is actually under way.
> -	 *
> -	 * The intent is that i_disksize always represents the blocks which
> -	 * are used by this file.  This allows recovery to restart truncate
> -	 * on orphans if we crash during truncate.  We actually write i_disksize
> -	 * into the on-disk inode when writing inodes out, instead of i_size.
> -	 *
> -	 * The only time when i_disksize and i_size may be different is when
> -	 * a truncate is in progress.  The only things which change i_disksize
> -	 * are ext3_get_block (growth) and ext3_truncate (shrinkth).
> -	 */
> -	loff_t	i_disksize;
> -
> -	/* on-disk additional length */
> -	__u16 i_extra_isize;
> -
> -	/*
> -	 * truncate_mutex is for serialising ext3_truncate() against
> -	 * ext3_getblock().  In the 2.4 ext2 design, great chunks of inode's
> -	 * data tree are chopped off during truncate. We can't do that in
> -	 * ext3 because whenever we perform intermediate commits during
> -	 * truncate, the inode and all the metadata blocks *must* be in a
> -	 * consistent state which allows truncation of the orphans to restart
> -	 * during recovery.  Hence we must fix the get_block-vs-truncate race
> -	 * by other means, so we have truncate_mutex.
> -	 */
> -	struct mutex truncate_mutex;
> -
> -	/*
> -	 * Transactions that contain inode's metadata needed to complete
> -	 * fsync and fdatasync, respectively.
> -	 */
> -	atomic_t i_sync_tid;
> -	atomic_t i_datasync_tid;
> -
> -	struct inode vfs_inode;
> -};
> -
> -/*
> - * third extended-fs super-block data in memory
> - */
> -struct ext3_sb_info {
> -	unsigned long s_frag_size;	/* Size of a fragment in bytes */
> -	unsigned long s_frags_per_block;/* Number of fragments per block */
> -	unsigned long s_inodes_per_block;/* Number of inodes per block */
> -	unsigned long s_frags_per_group;/* Number of fragments in a group */
> -	unsigned long s_blocks_per_group;/* Number of blocks in a group */
> -	unsigned long s_inodes_per_group;/* Number of inodes in a group */
> -	unsigned long s_itb_per_group;	/* Number of inode table blocks per group */
> -	unsigned long s_gdb_count;	/* Number of group descriptor blocks */
> -	unsigned long s_desc_per_block;	/* Number of group descriptors per block */
> -	unsigned long s_groups_count;	/* Number of groups in the fs */
> -	unsigned long s_overhead_last;  /* Last calculated overhead */
> -	unsigned long s_blocks_last;    /* Last seen block count */
> -	struct buffer_head * s_sbh;	/* Buffer containing the super block */
> -	struct ext3_super_block * s_es;	/* Pointer to the super block in the buffer */
> -	struct buffer_head ** s_group_desc;
> -	unsigned long  s_mount_opt;
> -	ext3_fsblk_t s_sb_block;
> -	uid_t s_resuid;
> -	gid_t s_resgid;
> -	unsigned short s_mount_state;
> -	unsigned short s_pad;
> -	int s_addr_per_block_bits;
> -	int s_desc_per_block_bits;
> -	int s_inode_size;
> -	int s_first_ino;
> -	spinlock_t s_next_gen_lock;
> -	u32 s_next_generation;
> -	u32 s_hash_seed[4];
> -	int s_def_hash_version;
> -	int s_hash_unsigned;	/* 3 if hash should be signed, 0 if not */
> -	struct percpu_counter s_freeblocks_counter;
> -	struct percpu_counter s_freeinodes_counter;
> -	struct percpu_counter s_dirs_counter;
> -	struct blockgroup_lock *s_blockgroup_lock;
> -
> -	/* root of the per fs reservation window tree */
> -	spinlock_t s_rsv_window_lock;
> -	struct rb_root s_rsv_window_root;
> -	struct ext3_reserve_window_node s_rsv_window_head;
> -
> -	/* Journaling */
> -	struct inode * s_journal_inode;
> -	struct journal_s * s_journal;
> -	struct list_head s_orphan;
> -	struct mutex s_orphan_lock;
> -	struct mutex s_resize_lock;
> -	unsigned long s_commit_interval;
> -	struct block_device *journal_bdev;
> -#ifdef CONFIG_QUOTA
> -	char *s_qf_names[MAXQUOTAS];		/* Names of quota files with journalled quota */
> -	int s_jquota_fmt;			/* Format of quota to use */
> -#endif
> -};
> -
> -static inline spinlock_t *
> -sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group)
> -{
> -	return bgl_lock_ptr(sbi->s_blockgroup_lock, block_group);
> -}
> -
> -static inline struct ext3_sb_info * EXT3_SB(struct super_block *sb)
> -{
> -	return sb->s_fs_info;
> -}
> -static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
> -{
> -	return container_of(inode, struct ext3_inode_info, vfs_inode);
> -}
> -
> -static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
> -{
> -	return ino == EXT3_ROOT_INO ||
> -		ino == EXT3_JOURNAL_INO ||
> -		ino == EXT3_RESIZE_INO ||
> -		(ino >= EXT3_FIRST_INO(sb) &&
> -		 ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
> -}
> -
> -/*
> - * Inode dynamic state flags
> - */
> -enum {
> -	EXT3_STATE_JDATA,		/* journaled data exists */
> -	EXT3_STATE_NEW,			/* inode is newly created */
> -	EXT3_STATE_XATTR,		/* has in-inode xattrs */
> -	EXT3_STATE_FLUSH_ON_CLOSE,	/* flush dirty pages on close */
> -};
> -
> -static inline int ext3_test_inode_state(struct inode *inode, int bit)
> -{
> -	return test_bit(bit, &EXT3_I(inode)->i_state_flags);
> -}
> -
> -static inline void ext3_set_inode_state(struct inode *inode, int bit)
> -{
> -	set_bit(bit, &EXT3_I(inode)->i_state_flags);
> -}
> -
> -static inline void ext3_clear_inode_state(struct inode *inode, int bit)
> -{
> -	clear_bit(bit, &EXT3_I(inode)->i_state_flags);
> -}
> -
> -#define NEXT_ORPHAN(inode) EXT3_I(inode)->i_dtime
> -
> -/*
> - * Codes for operating systems
> - */
> -#define EXT3_OS_LINUX		0
> -#define EXT3_OS_HURD		1
> -#define EXT3_OS_MASIX		2
> -#define EXT3_OS_FREEBSD		3
> -#define EXT3_OS_LITES		4
> -
> -/*
> - * Revision levels
> - */
> -#define EXT3_GOOD_OLD_REV	0	/* The good old (original) format */
> -#define EXT3_DYNAMIC_REV	1	/* V2 format w/ dynamic inode sizes */
> -
> -#define EXT3_CURRENT_REV	EXT3_GOOD_OLD_REV
> -#define EXT3_MAX_SUPP_REV	EXT3_DYNAMIC_REV
> -
> -#define EXT3_GOOD_OLD_INODE_SIZE 128
> -
> -/*
> - * Feature set definitions
> - */
> -
> -#define EXT3_HAS_COMPAT_FEATURE(sb,mask)			\
> -	( EXT3_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
> -#define EXT3_HAS_RO_COMPAT_FEATURE(sb,mask)			\
> -	( EXT3_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
> -#define EXT3_HAS_INCOMPAT_FEATURE(sb,mask)			\
> -	( EXT3_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
> -#define EXT3_SET_COMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
> -#define EXT3_SET_RO_COMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
> -#define EXT3_SET_INCOMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
> -#define EXT3_CLEAR_COMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
> -#define EXT3_CLEAR_RO_COMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
> -#define EXT3_CLEAR_INCOMPAT_FEATURE(sb,mask)			\
> -	EXT3_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
> -
> -#define EXT3_FEATURE_COMPAT_DIR_PREALLOC	0x0001
> -#define EXT3_FEATURE_COMPAT_IMAGIC_INODES	0x0002
> -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x0004
> -#define EXT3_FEATURE_COMPAT_EXT_ATTR		0x0008
> -#define EXT3_FEATURE_COMPAT_RESIZE_INODE	0x0010
> -#define EXT3_FEATURE_COMPAT_DIR_INDEX		0x0020
> -
> -#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER	0x0001
> -#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE	0x0002
> -#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR	0x0004
> -
> -#define EXT3_FEATURE_INCOMPAT_COMPRESSION	0x0001
> -#define EXT3_FEATURE_INCOMPAT_FILETYPE		0x0002
> -#define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004 /* Needs recovery */
> -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008 /* Journal device */
> -#define EXT3_FEATURE_INCOMPAT_META_BG		0x0010
> -
> -#define EXT3_FEATURE_COMPAT_SUPP	EXT2_FEATURE_COMPAT_EXT_ATTR
> -#define EXT3_FEATURE_INCOMPAT_SUPP	(EXT3_FEATURE_INCOMPAT_FILETYPE| \
> -					 EXT3_FEATURE_INCOMPAT_RECOVER| \
> -					 EXT3_FEATURE_INCOMPAT_META_BG)
> -#define EXT3_FEATURE_RO_COMPAT_SUPP	(EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
> -					 EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
> -					 EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
> -
> -/*
> - * Default values for user and/or group using reserved blocks
> - */
> -#define	EXT3_DEF_RESUID		0
> -#define	EXT3_DEF_RESGID		0
> -
> -/*
> - * Default mount options
> - */
> -#define EXT3_DEFM_DEBUG		0x0001
> -#define EXT3_DEFM_BSDGROUPS	0x0002
> -#define EXT3_DEFM_XATTR_USER	0x0004
> -#define EXT3_DEFM_ACL		0x0008
> -#define EXT3_DEFM_UID16		0x0010
> -#define EXT3_DEFM_JMODE		0x0060
> -#define EXT3_DEFM_JMODE_DATA	0x0020
> -#define EXT3_DEFM_JMODE_ORDERED	0x0040
> -#define EXT3_DEFM_JMODE_WBACK	0x0060
> -
> -/*
> - * Structure of a directory entry
> - */
> -#define EXT3_NAME_LEN 255
> -
> -struct ext3_dir_entry {
> -	__le32	inode;			/* Inode number */
> -	__le16	rec_len;		/* Directory entry length */
> -	__le16	name_len;		/* Name length */
> -	char	name[EXT3_NAME_LEN];	/* File name */
> -};
> -
> -/*
> - * The new version of the directory entry.  Since EXT3 structures are
> - * stored in intel byte order, and the name_len field could never be
> - * bigger than 255 chars, it's safe to reclaim the extra byte for the
> - * file_type field.
> - */
> -struct ext3_dir_entry_2 {
> -	__le32	inode;			/* Inode number */
> -	__le16	rec_len;		/* Directory entry length */
> -	__u8	name_len;		/* Name length */
> -	__u8	file_type;
> -	char	name[EXT3_NAME_LEN];	/* File name */
> -};
> -
> -/*
> - * Ext3 directory file types.  Only the low 3 bits are used.  The
> - * other bits are reserved for now.
> - */
> -#define EXT3_FT_UNKNOWN		0
> -#define EXT3_FT_REG_FILE	1
> -#define EXT3_FT_DIR		2
> -#define EXT3_FT_CHRDEV		3
> -#define EXT3_FT_BLKDEV		4
> -#define EXT3_FT_FIFO		5
> -#define EXT3_FT_SOCK		6
> -#define EXT3_FT_SYMLINK		7
> -
> -#define EXT3_FT_MAX		8
> -
> -/*
> - * EXT3_DIR_PAD defines the directory entries boundaries
> - *
> - * NOTE: It must be a multiple of 4
> - */
> -#define EXT3_DIR_PAD			4
> -#define EXT3_DIR_ROUND			(EXT3_DIR_PAD - 1)
> -#define EXT3_DIR_REC_LEN(name_len)	(((name_len) + 8 + EXT3_DIR_ROUND) & \
> -					 ~EXT3_DIR_ROUND)
> -#define EXT3_MAX_REC_LEN		((1<<16)-1)
> -
> -/*
> - * Tests against MAX_REC_LEN etc were put in place for 64k block
> - * sizes; if that is not possible on this arch, we can skip
> - * those tests and speed things up.
> - */
> -static inline unsigned ext3_rec_len_from_disk(__le16 dlen)
> -{
> -	unsigned len = le16_to_cpu(dlen);
> -
> -#if (PAGE_CACHE_SIZE >= 65536)
> -	if (len == EXT3_MAX_REC_LEN)
> -		return 1 << 16;
> -#endif
> -	return len;
> -}
> -
> -static inline __le16 ext3_rec_len_to_disk(unsigned len)
> -{
> -#if (PAGE_CACHE_SIZE >= 65536)
> -	if (len == (1 << 16))
> -		return cpu_to_le16(EXT3_MAX_REC_LEN);
> -	else if (len > (1 << 16))
> -		BUG();
> -#endif
> -	return cpu_to_le16(len);
> -}
> -
> -/*
> - * Hash Tree Directory indexing
> - * (c) Daniel Phillips, 2001
> - */
> -
> -#define is_dx(dir) (EXT3_HAS_COMPAT_FEATURE(dir->i_sb, \
> -				      EXT3_FEATURE_COMPAT_DIR_INDEX) && \
> -		      (EXT3_I(dir)->i_flags & EXT3_INDEX_FL))
> -#define EXT3_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT3_LINK_MAX)
> -#define EXT3_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)
> -
> -/* Legal values for the dx_root hash_version field: */
> -
> -#define DX_HASH_LEGACY		0
> -#define DX_HASH_HALF_MD4	1
> -#define DX_HASH_TEA		2
> -#define DX_HASH_LEGACY_UNSIGNED	3
> -#define DX_HASH_HALF_MD4_UNSIGNED	4
> -#define DX_HASH_TEA_UNSIGNED		5
> -
> -/* hash info structure used by the directory hash */
> -struct dx_hash_info
> -{
> -	u32		hash;
> -	u32		minor_hash;
> -	int		hash_version;
> -	u32		*seed;
> -};
> -
> -#define EXT3_HTREE_EOF	0x7fffffff
> -
> -/*
> - * Control parameters used by ext3_htree_next_block
> - */
> -#define HASH_NB_ALWAYS		1
> -
> -
> -/*
> - * Describe an inode's exact location on disk and in memory
> - */
> -struct ext3_iloc
> -{
> -	struct buffer_head *bh;
> -	unsigned long offset;
> -	unsigned long block_group;
> -};
> -
> -static inline struct ext3_inode *ext3_raw_inode(struct ext3_iloc *iloc)
> -{
> -	return (struct ext3_inode *) (iloc->bh->b_data + iloc->offset);
> -}
> -
> -/*
> - * This structure is stuffed into the struct file's private_data field
> - * for directories.  It is where we put information so that we can do
> - * readdir operations in hash tree order.
> - */
> -struct dir_private_info {
> -	struct rb_root	root;
> -	struct rb_node	*curr_node;
> -	struct fname	*extra_fname;
> -	loff_t		last_pos;
> -	__u32		curr_hash;
> -	__u32		curr_minor_hash;
> -	__u32		next_hash;
> -};
> -
> -/* calculate the first block number of the group */
> -static inline ext3_fsblk_t
> -ext3_group_first_block_no(struct super_block *sb, unsigned long group_no)
> -{
> -	return group_no * (ext3_fsblk_t)EXT3_BLOCKS_PER_GROUP(sb) +
> -		le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block);
> -}
> -
> -/*
> - * Special error return code only used by dx_probe() and its callers.
> - */
> -#define ERR_BAD_DX_DIR	-75000
> -
> -/*
> - * Function prototypes
> - */
> -
> -/*
> - * Ok, these declarations are also in <linux/kernel.h> but none of the
> - * ext3 source programs needs to include it so they are duplicated here.
> - */
> -# define NORET_TYPE    /**/
> -# define ATTRIB_NORET  __attribute__((noreturn))
> -# define NORET_AND     noreturn,
> -
> -/* balloc.c */
> -extern int ext3_bg_has_super(struct super_block *sb, int group);
> -extern unsigned long ext3_bg_num_gdb(struct super_block *sb, int group);
> -extern ext3_fsblk_t ext3_new_block (handle_t *handle, struct inode *inode,
> -			ext3_fsblk_t goal, int *errp);
> -extern ext3_fsblk_t ext3_new_blocks (handle_t *handle, struct inode *inode,
> -			ext3_fsblk_t goal, unsigned long *count, int *errp);
> -extern void ext3_free_blocks (handle_t *handle, struct inode *inode,
> -			ext3_fsblk_t block, unsigned long count);
> -extern void ext3_free_blocks_sb (handle_t *handle, struct super_block *sb,
> -				 ext3_fsblk_t block, unsigned long count,
> -				unsigned long *pdquot_freed_blocks);
> -extern ext3_fsblk_t ext3_count_free_blocks (struct super_block *);
> -extern void ext3_check_blocks_bitmap (struct super_block *);
> -extern struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb,
> -						    unsigned int block_group,
> -						    struct buffer_head ** bh);
> -extern int ext3_should_retry_alloc(struct super_block *sb, int *retries);
> -extern void ext3_init_block_alloc_info(struct inode *);
> -extern void ext3_rsv_window_add(struct super_block *sb, struct ext3_reserve_window_node *rsv);
> -extern int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range);
> -
> -/* dir.c */
> -extern int ext3_check_dir_entry(const char *, struct inode *,
> -				struct ext3_dir_entry_2 *,
> -				struct buffer_head *, unsigned long);
> -extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
> -				    __u32 minor_hash,
> -				    struct ext3_dir_entry_2 *dirent);
> -extern void ext3_htree_free_dir_info(struct dir_private_info *p);
> -
> -/* fsync.c */
> -extern int ext3_sync_file(struct file *, loff_t, loff_t, int);
> -
> -/* hash.c */
> -extern int ext3fs_dirhash(const char *name, int len, struct
> -			  dx_hash_info *hinfo);
> -
> -/* ialloc.c */
> -extern struct inode * ext3_new_inode (handle_t *, struct inode *,
> -				      const struct qstr *, umode_t);
> -extern void ext3_free_inode (handle_t *, struct inode *);
> -extern struct inode * ext3_orphan_get (struct super_block *, unsigned long);
> -extern unsigned long ext3_count_free_inodes (struct super_block *);
> -extern unsigned long ext3_count_dirs (struct super_block *);
> -extern void ext3_check_inodes_bitmap (struct super_block *);
> -extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
> -
> -
> -/* inode.c */
> -int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode,
> -		struct buffer_head *bh, ext3_fsblk_t blocknr);
> -struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *);
> -struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *);
> -int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
> -	sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result,
> -	int create);
> -
> -extern struct inode *ext3_iget(struct super_block *, unsigned long);
> -extern int  ext3_write_inode (struct inode *, struct writeback_control *);
> -extern int  ext3_setattr (struct dentry *, struct iattr *);
> -extern void ext3_evict_inode (struct inode *);
> -extern int  ext3_sync_inode (handle_t *, struct inode *);
> -extern void ext3_discard_reservation (struct inode *);
> -extern void ext3_dirty_inode(struct inode *, int);
> -extern int ext3_change_inode_journal_flag(struct inode *, int);
> -extern int ext3_get_inode_loc(struct inode *, struct ext3_iloc *);
> -extern int ext3_can_truncate(struct inode *inode);
> -extern void ext3_truncate(struct inode *inode);
> -extern void ext3_set_inode_flags(struct inode *);
> -extern void ext3_get_inode_flags(struct ext3_inode_info *);
> -extern void ext3_set_aops(struct inode *inode);
> -extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
> -		       u64 start, u64 len);
> -
> -/* ioctl.c */
> -extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
> -extern long ext3_compat_ioctl(struct file *, unsigned int, unsigned long);
> -
> -/* namei.c */
> -extern int ext3_orphan_add(handle_t *, struct inode *);
> -extern int ext3_orphan_del(handle_t *, struct inode *);
> -extern int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
> -				__u32 start_minor_hash, __u32 *next_hash);
> -
> -/* resize.c */
> -extern int ext3_group_add(struct super_block *sb,
> -				struct ext3_new_group_data *input);
> -extern int ext3_group_extend(struct super_block *sb,
> -				struct ext3_super_block *es,
> -				ext3_fsblk_t n_blocks_count);
> -
> -/* super.c */
> -extern __printf(3, 4)
> -void ext3_error(struct super_block *, const char *, const char *, ...);
> -extern void __ext3_std_error (struct super_block *, const char *, int);
> -extern __printf(3, 4)
> -void ext3_abort(struct super_block *, const char *, const char *, ...);
> -extern __printf(3, 4)
> -void ext3_warning(struct super_block *, const char *, const char *, ...);
> -extern __printf(3, 4)
> -void ext3_msg(struct super_block *, const char *, const char *, ...);
> -extern void ext3_update_dynamic_rev (struct super_block *sb);
> -
> -#define ext3_std_error(sb, errno)				\
> -do {								\
> -	if ((errno))						\
> -		__ext3_std_error((sb), __func__, (errno));	\
> -} while (0)
> -
> -/*
> - * Inodes and files operations
> - */
> -
> -/* dir.c */
> -extern const struct file_operations ext3_dir_operations;
> -
> -/* file.c */
> -extern const struct inode_operations ext3_file_inode_operations;
> -extern const struct file_operations ext3_file_operations;
> -
> -/* namei.c */
> -extern const struct inode_operations ext3_dir_inode_operations;
> -extern const struct inode_operations ext3_special_inode_operations;
> -
> -/* symlink.c */
> -extern const struct inode_operations ext3_symlink_inode_operations;
> -extern const struct inode_operations ext3_fast_symlink_inode_operations;
> -
> -#define EXT3_JOURNAL(inode)	(EXT3_SB((inode)->i_sb)->s_journal)
> -
> -/* Define the number of blocks we need to account to a transaction to
> - * modify one block of data.
> - *
> - * We may have to touch one inode, one bitmap buffer, up to three
> - * indirection blocks, the group and superblock summaries, and the data
> - * block to complete the transaction.  */
> -
> -#define EXT3_SINGLEDATA_TRANS_BLOCKS	8U
> -
> -/* Extended attribute operations touch at most two data buffers,
> - * two bitmap buffers, and two group summaries, in addition to the inode
> - * and the superblock, which are already accounted for. */
> -
> -#define EXT3_XATTR_TRANS_BLOCKS		6U
> -
> -/* Define the minimum size for a transaction which modifies data.  This
> - * needs to take into account the fact that we may end up modifying two
> - * quota files too (one for the group, one for the user quota).  The
> - * superblock only gets updated once, of course, so don't bother
> - * counting that again for the quota updates. */
> -
> -#define EXT3_DATA_TRANS_BLOCKS(sb)	(EXT3_SINGLEDATA_TRANS_BLOCKS + \
> -					 EXT3_XATTR_TRANS_BLOCKS - 2 + \
> -					 EXT3_MAXQUOTAS_TRANS_BLOCKS(sb))
> -
> -/* Delete operations potentially hit one directory's namespace plus an
> - * entire inode, plus arbitrary amounts of bitmap/indirection data.  Be
> - * generous.  We can grow the delete transaction later if necessary. */
> -
> -#define EXT3_DELETE_TRANS_BLOCKS(sb)   (EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) + 64)
> -
> -/* Define an arbitrary limit for the amount of data we will anticipate
> - * writing to any given transaction.  For unbounded transactions such as
> - * write(2) and truncate(2) we can write more than this, but we always
> - * start off at the maximum transaction size and grow the transaction
> - * optimistically as we go. */
> -
> -#define EXT3_MAX_TRANS_DATA		64U
> -
> -/* We break up a large truncate or write transaction once the handle's
> - * buffer credits gets this low, we need either to extend the
> - * transaction or to start a new one.  Reserve enough space here for
> - * inode, bitmap, superblock, group and indirection updates for at least
> - * one block, plus two quota updates.  Quota allocations are not
> - * needed. */
> -
> -#define EXT3_RESERVE_TRANS_BLOCKS	12U
> -
> -#define EXT3_INDEX_EXTRA_TRANS_BLOCKS	8
> -
> -#ifdef CONFIG_QUOTA
> -/* Amount of blocks needed for quota update - we know that the structure was
> - * allocated so we need to update only inode+data */
> -#define EXT3_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 2 : 0)
> -/* Amount of blocks needed for quota insert/delete - we do some block writes
> - * but inode, sb and group updates are done only once */
> -#define EXT3_QUOTA_INIT_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_INIT_ALLOC*\
> -		(EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_INIT_REWRITE) : 0)
> -#define EXT3_QUOTA_DEL_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_DEL_ALLOC*\
> -		(EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_DEL_REWRITE) : 0)
> -#else
> -#define EXT3_QUOTA_TRANS_BLOCKS(sb) 0
> -#define EXT3_QUOTA_INIT_BLOCKS(sb) 0
> -#define EXT3_QUOTA_DEL_BLOCKS(sb) 0
> -#endif
> -#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
> -#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
> -#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
> -
> -int
> -ext3_mark_iloc_dirty(handle_t *handle,
> -		     struct inode *inode,
> -		     struct ext3_iloc *iloc);
> -
> -/*
> - * On success, We end up with an outstanding reference count against
> - * iloc->bh.  This _must_ be cleaned up later.
> - */
> -
> -int ext3_reserve_inode_write(handle_t *handle, struct inode *inode,
> -			struct ext3_iloc *iloc);
> -
> -int ext3_mark_inode_dirty(handle_t *handle, struct inode *inode);
> -
> -/*
> - * Wrapper functions with which ext3 calls into JBD.  The intent here is
> - * to allow these to be turned into appropriate stubs so ext3 can control
> - * ext2 filesystems, so ext2+ext3 systems only nee one fs.  This work hasn't
> - * been done yet.
> - */
> -
> -static inline void ext3_journal_release_buffer(handle_t *handle,
> -						struct buffer_head *bh)
> -{
> -	journal_release_buffer(handle, bh);
> -}
> -
> -void ext3_journal_abort_handle(const char *caller, const char *err_fn,
> -		struct buffer_head *bh, handle_t *handle, int err);
> -
> -int __ext3_journal_get_undo_access(const char *where, handle_t *handle,
> -				struct buffer_head *bh);
> -
> -int __ext3_journal_get_write_access(const char *where, handle_t *handle,
> -				struct buffer_head *bh);
> -
> -int __ext3_journal_forget(const char *where, handle_t *handle,
> -				struct buffer_head *bh);
> -
> -int __ext3_journal_revoke(const char *where, handle_t *handle,
> -				unsigned long blocknr, struct buffer_head *bh);
> -
> -int __ext3_journal_get_create_access(const char *where,
> -				handle_t *handle, struct buffer_head *bh);
> -
> -int __ext3_journal_dirty_metadata(const char *where,
> -				handle_t *handle, struct buffer_head *bh);
> -
> -#define ext3_journal_get_undo_access(handle, bh) \
> -	__ext3_journal_get_undo_access(__func__, (handle), (bh))
> -#define ext3_journal_get_write_access(handle, bh) \
> -	__ext3_journal_get_write_access(__func__, (handle), (bh))
> -#define ext3_journal_revoke(handle, blocknr, bh) \
> -	__ext3_journal_revoke(__func__, (handle), (blocknr), (bh))
> -#define ext3_journal_get_create_access(handle, bh) \
> -	__ext3_journal_get_create_access(__func__, (handle), (bh))
> -#define ext3_journal_dirty_metadata(handle, bh) \
> -	__ext3_journal_dirty_metadata(__func__, (handle), (bh))
> -#define ext3_journal_forget(handle, bh) \
> -	__ext3_journal_forget(__func__, (handle), (bh))
> -
> -int ext3_journal_dirty_data(handle_t *handle, struct buffer_head *bh);
> -
> -handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks);
> -int __ext3_journal_stop(const char *where, handle_t *handle);
> -
> -static inline handle_t *ext3_journal_start(struct inode *inode, int nblocks)
> -{
> -	return ext3_journal_start_sb(inode->i_sb, nblocks);
> -}
> -
> -#define ext3_journal_stop(handle) \
> -	__ext3_journal_stop(__func__, (handle))
> -
> -static inline handle_t *ext3_journal_current_handle(void)
> -{
> -	return journal_current_handle();
> -}
> -
> -static inline int ext3_journal_extend(handle_t *handle, int nblocks)
> -{
> -	return journal_extend(handle, nblocks);
> -}
> -
> -static inline int ext3_journal_restart(handle_t *handle, int nblocks)
> -{
> -	return journal_restart(handle, nblocks);
> -}
> -
> -static inline int ext3_journal_blocks_per_page(struct inode *inode)
> -{
> -	return journal_blocks_per_page(inode);
> -}
> -
> -static inline int ext3_journal_force_commit(journal_t *journal)
> -{
> -	return journal_force_commit(journal);
> -}
> -
> -/* super.c */
> -int ext3_force_commit(struct super_block *sb);
> -
> -static inline int ext3_should_journal_data(struct inode *inode)
> -{
> -	if (!S_ISREG(inode->i_mode))
> -		return 1;
> -	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA)
> -		return 1;
> -	if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
> -		return 1;
> -	return 0;
> -}
> -
> -static inline int ext3_should_order_data(struct inode *inode)
> -{
> -	if (!S_ISREG(inode->i_mode))
> -		return 0;
> -	if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
> -		return 0;
> -	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA)
> -		return 1;
> -	return 0;
> -}
> -
> -static inline int ext3_should_writeback_data(struct inode *inode)
> -{
> -	if (!S_ISREG(inode->i_mode))
> -		return 0;
> -	if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
> -		return 0;
> -	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
> -		return 1;
> -	return 0;
> -}
> -
> -#include <trace/events/ext3.h>
> -
> diff --git a/instrumentation/events/mainline/jbd.h b/instrumentation/events/mainline/jbd.h
> index aff64d8..da6f259 100644
> --- a/instrumentation/events/mainline/jbd.h
> +++ b/instrumentation/events/mainline/jbd.h
> @@ -36,19 +36,17 @@ DECLARE_EVENT_CLASS(jbd_commit,
>  
>  	TP_STRUCT__entry(
>  		__field(	dev_t,	dev			)
> -		__field(	char,	sync_commit		)
>  		__field(	int,	transaction		)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->dev		= journal->j_fs_dev->bd_dev;
> -		__entry->sync_commit = commit_transaction->t_synchronous_commit;
>  		__entry->transaction	= commit_transaction->t_tid;
>  	),
>  
> -	TP_printk("dev %d,%d transaction %d sync %d",
> +	TP_printk("dev %d,%d transaction %d",
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
> -		  __entry->transaction, __entry->sync_commit)
> +		  __entry->transaction)
>  );
>  
>  DEFINE_EVENT(jbd_commit, jbd_start_commit,
> @@ -87,19 +85,17 @@ TRACE_EVENT(jbd_drop_transaction,
>  
>  	TP_STRUCT__entry(
>  		__field(	dev_t,	dev			)
> -		__field(	char,	sync_commit		)
>  		__field(	int,	transaction		)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->dev		= journal->j_fs_dev->bd_dev;
> -		__entry->sync_commit = commit_transaction->t_synchronous_commit;
>  		__entry->transaction	= commit_transaction->t_tid;
>  	),
>  
> -	TP_printk("dev %d,%d transaction %d sync %d",
> +	TP_printk("dev %d,%d transaction %d",
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
> -		  __entry->transaction, __entry->sync_commit)
> +		  __entry->transaction)
>  );
>  
>  TRACE_EVENT(jbd_end_commit,
> @@ -109,21 +105,19 @@ TRACE_EVENT(jbd_end_commit,
>  
>  	TP_STRUCT__entry(
>  		__field(	dev_t,	dev			)
> -		__field(	char,	sync_commit		)
>  		__field(	int,	transaction		)
>  		__field(	int,	head			)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->dev		= journal->j_fs_dev->bd_dev;
> -		__entry->sync_commit = commit_transaction->t_synchronous_commit;
>  		__entry->transaction	= commit_transaction->t_tid;
>  		__entry->head		= journal->j_tail_sequence;
>  	),
>  
> -	TP_printk("dev %d,%d transaction %d sync %d head %d",
> +	TP_printk("dev %d,%d transaction %d head %d",
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
> -		  __entry->transaction, __entry->sync_commit, __entry->head)
> +		  __entry->transaction, __entry->head)
>  );
>  
>  TRACE_EVENT(jbd_do_submit_data,
> @@ -133,19 +127,17 @@ TRACE_EVENT(jbd_do_submit_data,
>  
>  	TP_STRUCT__entry(
>  		__field(	dev_t,	dev			)
> -		__field(	char,	sync_commit		)
>  		__field(	int,	transaction		)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->dev		= journal->j_fs_dev->bd_dev;
> -		__entry->sync_commit = commit_transaction->t_synchronous_commit;
>  		__entry->transaction	= commit_transaction->t_tid;
>  	),
>  
> -	TP_printk("dev %d,%d transaction %d sync %d",
> +	TP_printk("dev %d,%d transaction %d",
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
> -		   __entry->transaction, __entry->sync_commit)
> +		   __entry->transaction)
>  );
>  
>  TRACE_EVENT(jbd_cleanup_journal_tail,
> @@ -177,24 +169,23 @@ TRACE_EVENT(jbd_cleanup_journal_tail,
>  		  __entry->block_nr, __entry->freed)
>  );
>  
> -TRACE_EVENT(jbd_update_superblock_end,
> -	TP_PROTO(journal_t *journal, int wait),
> +TRACE_EVENT(journal_write_superblock,
> +	TP_PROTO(journal_t *journal, int write_op),
>  
> -	TP_ARGS(journal, wait),
> +	TP_ARGS(journal, write_op),
>  
>  	TP_STRUCT__entry(
>  		__field(	dev_t,	dev			)
> -		__field(	int,	wait			)
> +		__field(	int,	write_op		)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->dev		= journal->j_fs_dev->bd_dev;
> -		__entry->wait		= wait;
> +		__entry->write_op	= write_op;
>  	),
>  
> -	TP_printk("dev %d,%d wait %d",
> -		  MAJOR(__entry->dev), MINOR(__entry->dev),
> -		   __entry->wait)
> +	TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
> +		  MINOR(__entry->dev), __entry->write_op)
>  );
>  
>  #endif /* _TRACE_JBD_H */
> diff --git a/instrumentation/events/mainline/jbd2.h b/instrumentation/events/mainline/jbd2.h
> index 7596441..127993d 100644
> --- a/instrumentation/events/mainline/jbd2.h
> +++ b/instrumentation/events/mainline/jbd2.h
> @@ -81,6 +81,13 @@ DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,
>  	TP_ARGS(journal, commit_transaction)
>  );
>  
> +DEFINE_EVENT(jbd2_commit, jbd2_drop_transaction,
> +
> +	TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
> +
> +	TP_ARGS(journal, commit_transaction)
> +);
> +
>  TRACE_EVENT(jbd2_end_commit,
>  	TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
>  
> @@ -200,7 +207,7 @@ TRACE_EVENT(jbd2_checkpoint_stats,
>  		  __entry->forced_to_close, __entry->written, __entry->dropped)
>  );
>  
> -TRACE_EVENT(jbd2_cleanup_journal_tail,
> +TRACE_EVENT(jbd2_update_log_tail,
>  
>  	TP_PROTO(journal_t *journal, tid_t first_tid,
>  		 unsigned long block_nr, unsigned long freed),
> @@ -229,6 +236,26 @@ TRACE_EVENT(jbd2_cleanup_journal_tail,
>  		  __entry->block_nr, __entry->freed)
>  );
>  
> +TRACE_EVENT(jbd2_write_superblock,
> +
> +	TP_PROTO(journal_t *journal, int write_op),
> +
> +	TP_ARGS(journal, write_op),
> +
> +	TP_STRUCT__entry(
> +		__field(	dev_t,  dev			)
> +		__field(	  int,  write_op		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->dev		= journal->j_fs_dev->bd_dev;
> +		__entry->write_op	= write_op;
> +	),
> +
> +	TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
> +		  MINOR(__entry->dev), __entry->write_op)
> +);
> +
>  #endif /* _TRACE_JBD2_H */
>  
>  /* This part must be outside protection */
> diff --git a/instrumentation/events/mainline/kmem.h b/instrumentation/events/mainline/kmem.h
> index a9c87ad..08fa272 100644
> --- a/instrumentation/events/mainline/kmem.h
> +++ b/instrumentation/events/mainline/kmem.h
> @@ -147,7 +147,7 @@ DEFINE_EVENT(kmem_free, kmem_cache_free,
>  	TP_ARGS(call_site, ptr)
>  );
>  
> -TRACE_EVENT(mm_page_free_direct,
> +TRACE_EVENT(mm_page_free,
>  
>  	TP_PROTO(struct page *page, unsigned int order),
>  
> @@ -169,7 +169,7 @@ TRACE_EVENT(mm_page_free_direct,
>  			__entry->order)
>  );
>  
> -TRACE_EVENT(mm_pagevec_free,
> +TRACE_EVENT(mm_page_free_batched,
>  
>  	TP_PROTO(struct page *page, int cold),
>  
> @@ -214,7 +214,7 @@ TRACE_EVENT(mm_page_alloc,
>  
>  	TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
>  		__entry->page,
> -		page_to_pfn(__entry->page),
> +		__entry->page ? page_to_pfn(__entry->page) : 0,
>  		__entry->order,
>  		__entry->migratetype,
>  		show_gfp_flags(__entry->gfp_flags))
> @@ -240,7 +240,7 @@ DECLARE_EVENT_CLASS(mm_page,
>  
>  	TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
>  		__entry->page,
> -		page_to_pfn(__entry->page),
> +		__entry->page ? page_to_pfn(__entry->page) : 0,
>  		__entry->order,
>  		__entry->migratetype,
>  		__entry->order == 0)
> diff --git a/instrumentation/events/mainline/power.h b/instrumentation/events/mainline/power.h
> index 1bcc2a8..0c97838 100644
> --- a/instrumentation/events/mainline/power.h
> +++ b/instrumentation/events/mainline/power.h
> @@ -65,7 +65,40 @@ TRACE_EVENT(machine_suspend,
>  	TP_printk("state=%lu", (unsigned long)__entry->state)
>  );
>  
> -/* This code will be removed after deprecation time exceeded (2.6.41) */
> +DECLARE_EVENT_CLASS(wakeup_source,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state),
> +
> +	TP_STRUCT__entry(
> +		__string(       name,           name            )
> +		__field(        u64,            state           )
> +	),
> +
> +	TP_fast_assign(
> +		__assign_str(name, name);
> +		__entry->state = state;
> +	),
> +
> +	TP_printk("%s state=0x%lx", __get_str(name),
> +		(unsigned long)__entry->state)
> +);
> +
> +DEFINE_EVENT(wakeup_source, wakeup_source_activate,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state)
> +);
> +
> +DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
> +
> +	TP_PROTO(const char *name, unsigned int state),
> +
> +	TP_ARGS(name, state)
> +);
> +
>  #ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
>  
>  /*
> @@ -151,6 +184,8 @@ enum {
>     events get removed */
>  static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
>  static inline void trace_power_end(u64 cpuid) {};
> +static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
> +static inline void trace_power_end_rcuidle(u64 cpuid) {};
>  static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
>  #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
>  
> diff --git a/instrumentation/events/mainline/sched.h b/instrumentation/events/mainline/sched.h
> index 6700ecc..ea7a203 100644
> --- a/instrumentation/events/mainline/sched.h
> +++ b/instrumentation/events/mainline/sched.h
> @@ -6,6 +6,7 @@
>  
>  #include <linux/sched.h>
>  #include <linux/tracepoint.h>
> +#include <linux/binfmts.h>
>  
>  /*
>   * Tracepoint for calling kthread_stop, performed to end a kthread:
> @@ -100,7 +101,7 @@ static inline long __trace_sched_switch_state(struct task_struct *p)
>  	 * For all intents and purposes a preempted task is a running task.
>  	 */
>  	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
> -		state = TASK_RUNNING;
> +		state = TASK_RUNNING | TASK_STATE_MAX;
>  #endif
>  
>  	return state;
> @@ -137,13 +138,14 @@ TRACE_EVENT(sched_switch,
>  		__entry->next_prio	= next->prio;
>  	),
>  
> -	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_pid=%d next_prio=%d",
> +	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
>  		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
> -		__entry->prev_state ?
> -		  __print_flags(__entry->prev_state, "|",
> +		__entry->prev_state & (TASK_STATE_MAX-1) ?
> +		  __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
>  				{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
>  				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
>  				{ 128, "W" }) : "R",
> +		__entry->prev_state & TASK_STATE_MAX ? "+" : "",
>  		__entry->next_comm, __entry->next_pid, __entry->next_prio)
>  );
>  
> @@ -356,6 +358,13 @@ DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
>  	     TP_ARGS(tsk, delay));
>  
>  /*
> + * Tracepoint for accounting blocked time (time the task is in uninterruptible).
> + */
> +DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
> +	     TP_PROTO(struct task_struct *tsk, u64 delay),
> +	     TP_ARGS(tsk, delay));
> +
> +/*
>   * Tracepoint for accounting runtime (time the task is executing
>   * on a CPU).
>   */
> diff --git a/instrumentation/events/mainline/signal.h b/instrumentation/events/mainline/signal.h
> index 17df434..39a8a43 100644
> --- a/instrumentation/events/mainline/signal.h
> +++ b/instrumentation/events/mainline/signal.h
> @@ -23,11 +23,23 @@
>  		}						\
>  	} while (0)
>  
> +#ifndef TRACE_HEADER_MULTI_READ
> +enum {
> +	TRACE_SIGNAL_DELIVERED,
> +	TRACE_SIGNAL_IGNORED,
> +	TRACE_SIGNAL_ALREADY_PENDING,
> +	TRACE_SIGNAL_OVERFLOW_FAIL,
> +	TRACE_SIGNAL_LOSE_INFO,
> +};
> +#endif
> +
>  /**
>   * signal_generate - called when a signal is generated
>   * @sig: signal number
>   * @info: pointer to struct siginfo
>   * @task: pointer to struct task_struct
> + * @group: shared or private
> + * @result: TRACE_SIGNAL_*
>   *
>   * Current process sends a 'sig' signal to 'task' process with
>   * 'info' siginfo. If 'info' is SEND_SIG_NOINFO or SEND_SIG_PRIV,
> @@ -37,9 +49,10 @@
>   */
>  TRACE_EVENT(signal_generate,
>  
> -	TP_PROTO(int sig, struct siginfo *info, struct task_struct *task),
> +	TP_PROTO(int sig, struct siginfo *info, struct task_struct *task,
> +			int group, int result),
>  
> -	TP_ARGS(sig, info, task),
> +	TP_ARGS(sig, info, task, group, result),
>  
>  	TP_STRUCT__entry(
>  		__field(	int,	sig			)
> @@ -47,6 +60,8 @@ TRACE_EVENT(signal_generate,
>  		__field(	int,	code			)
>  		__array(	char,	comm,	TASK_COMM_LEN	)
>  		__field(	pid_t,	pid			)
> +		__field(	int,	group			)
> +		__field(	int,	result			)
>  	),
>  
>  	TP_fast_assign(
> @@ -54,11 +69,14 @@ TRACE_EVENT(signal_generate,
>  		TP_STORE_SIGINFO(__entry, info);
>  		memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
>  		__entry->pid	= task->pid;
> +		__entry->group	= group;
> +		__entry->result	= result;
>  	),
>  
> -	TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d",
> +	TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d grp=%d res=%d",
>  		  __entry->sig, __entry->errno, __entry->code,
> -		  __entry->comm, __entry->pid)
> +		  __entry->comm, __entry->pid, __entry->group,
> +		  __entry->result)
>  );
>  
>  /**
> @@ -101,65 +119,6 @@ TRACE_EVENT(signal_deliver,
>  		  __entry->sa_handler, __entry->sa_flags)
>  );
>  
> -DECLARE_EVENT_CLASS(signal_queue_overflow,
> -
> -	TP_PROTO(int sig, int group, struct siginfo *info),
> -
> -	TP_ARGS(sig, group, info),
> -
> -	TP_STRUCT__entry(
> -		__field(	int,	sig	)
> -		__field(	int,	group	)
> -		__field(	int,	errno	)
> -		__field(	int,	code	)
> -	),
> -
> -	TP_fast_assign(
> -		__entry->sig	= sig;
> -		__entry->group	= group;
> -		TP_STORE_SIGINFO(__entry, info);
> -	),
> -
> -	TP_printk("sig=%d group=%d errno=%d code=%d",
> -		  __entry->sig, __entry->group, __entry->errno, __entry->code)
> -);
> -
> -/**
> - * signal_overflow_fail - called when signal queue is overflow
> - * @sig: signal number
> - * @group: signal to process group or not (bool)
> - * @info: pointer to struct siginfo
> - *
> - * Kernel fails to generate 'sig' signal with 'info' siginfo, because
> - * siginfo queue is overflow, and the signal is dropped.
> - * 'group' is not 0 if the signal will be sent to a process group.
> - * 'sig' is always one of RT signals.
> - */
> -DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail,
> -
> -	TP_PROTO(int sig, int group, struct siginfo *info),
> -
> -	TP_ARGS(sig, group, info)
> -);
> -
> -/**
> - * signal_lose_info - called when siginfo is lost
> - * @sig: signal number
> - * @group: signal to process group or not (bool)
> - * @info: pointer to struct siginfo
> - *
> - * Kernel generates 'sig' signal but loses 'info' siginfo, because siginfo
> - * queue is overflow.
> - * 'group' is not 0 if the signal will be sent to a process group.
> - * 'sig' is always one of non-RT signals.
> - */
> -DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
> -
> -	TP_PROTO(int sig, int group, struct siginfo *info),
> -
> -	TP_ARGS(sig, group, info)
> -);
> -
>  #endif /* _TRACE_SIGNAL_H */
>  
>  /* This part must be outside protection */
> diff --git a/instrumentation/events/mainline/vmscan.h b/instrumentation/events/mainline/vmscan.h
> index 36851f7..bab3b87 100644
> --- a/instrumentation/events/mainline/vmscan.h
> +++ b/instrumentation/events/mainline/vmscan.h
> @@ -13,7 +13,7 @@
>  #define RECLAIM_WB_ANON		0x0001u
>  #define RECLAIM_WB_FILE		0x0002u
>  #define RECLAIM_WB_MIXED	0x0010u
> -#define RECLAIM_WB_SYNC		0x0004u
> +#define RECLAIM_WB_SYNC		0x0004u /* Unused, all reclaim async */
>  #define RECLAIM_WB_ASYNC	0x0008u
>  
>  #define show_reclaim_flags(flags)				\
> @@ -25,15 +25,15 @@
>  		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
>  		) : "RECLAIM_WB_NONE"
>  
> -#define trace_reclaim_flags(page, sync) ( \
> +#define trace_reclaim_flags(page) ( \
>  	(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
> -	(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC)   \
> +	(RECLAIM_WB_ASYNC) \
>  	)
>  
> -#define trace_shrink_flags(file, sync) ( \
> -	(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_MIXED : \
> -			(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) |  \
> -	(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
> +#define trace_shrink_flags(file) \
> +	( \
> +		(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
> +		(RECLAIM_WB_ASYNC) \
>  	)
>  
>  TRACE_EVENT(mm_vmscan_kswapd_sleep,
> @@ -263,22 +263,18 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  		unsigned long nr_requested,
>  		unsigned long nr_scanned,
>  		unsigned long nr_taken,
> -		unsigned long nr_lumpy_taken,
> -		unsigned long nr_lumpy_dirty,
> -		unsigned long nr_lumpy_failed,
> -		int isolate_mode),
> +		isolate_mode_t isolate_mode,
> +		int file),
>  
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file),
>  
>  	TP_STRUCT__entry(
>  		__field(int, order)
>  		__field(unsigned long, nr_requested)
>  		__field(unsigned long, nr_scanned)
>  		__field(unsigned long, nr_taken)
> -		__field(unsigned long, nr_lumpy_taken)
> -		__field(unsigned long, nr_lumpy_dirty)
> -		__field(unsigned long, nr_lumpy_failed)
> -		__field(int, isolate_mode)
> +		__field(isolate_mode_t, isolate_mode)
> +		__field(int, file)
>  	),
>  
>  	TP_fast_assign(
> @@ -286,21 +282,17 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
>  		__entry->nr_requested = nr_requested;
>  		__entry->nr_scanned = nr_scanned;
>  		__entry->nr_taken = nr_taken;
> -		__entry->nr_lumpy_taken = nr_lumpy_taken;
> -		__entry->nr_lumpy_dirty = nr_lumpy_dirty;
> -		__entry->nr_lumpy_failed = nr_lumpy_failed;
>  		__entry->isolate_mode = isolate_mode;
> +		__entry->file = file;
>  	),
>  
> -	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
> +	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
>  		__entry->isolate_mode,
>  		__entry->order,
>  		__entry->nr_requested,
>  		__entry->nr_scanned,
>  		__entry->nr_taken,
> -		__entry->nr_lumpy_taken,
> -		__entry->nr_lumpy_dirty,
> -		__entry->nr_lumpy_failed)
> +		__entry->file)
>  );
>  
>  DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
> @@ -309,12 +301,10 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
>  		unsigned long nr_requested,
>  		unsigned long nr_scanned,
>  		unsigned long nr_taken,
> -		unsigned long nr_lumpy_taken,
> -		unsigned long nr_lumpy_dirty,
> -		unsigned long nr_lumpy_failed,
> -		int isolate_mode),
> +		isolate_mode_t isolate_mode,
> +		int file),
>  
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
>  
>  );
>  
> @@ -324,12 +314,10 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
>  		unsigned long nr_requested,
>  		unsigned long nr_scanned,
>  		unsigned long nr_taken,
> -		unsigned long nr_lumpy_taken,
> -		unsigned long nr_lumpy_dirty,
> -		unsigned long nr_lumpy_failed,
> -		int isolate_mode),
> +		isolate_mode_t isolate_mode,
> +		int file),
>  
> -	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
> +	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
>  
>  );
>  
> @@ -389,88 +377,6 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
>  		show_reclaim_flags(__entry->reclaim_flags))
>  );
>  
> -TRACE_EVENT(replace_swap_token,
> -	TP_PROTO(struct mm_struct *old_mm,
> -		 struct mm_struct *new_mm),
> -
> -	TP_ARGS(old_mm, new_mm),
> -
> -	TP_STRUCT__entry(
> -		__field(struct mm_struct*,	old_mm)
> -		__field(unsigned int,		old_prio)
> -		__field(struct mm_struct*,	new_mm)
> -		__field(unsigned int,		new_prio)
> -	),
> -
> -	TP_fast_assign(
> -		__entry->old_mm   = old_mm;
> -		__entry->old_prio = old_mm ? old_mm->token_priority : 0;
> -		__entry->new_mm   = new_mm;
> -		__entry->new_prio = new_mm->token_priority;
> -	),
> -
> -	TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
> -		  __entry->old_mm, __entry->old_prio,
> -		  __entry->new_mm, __entry->new_prio)
> -);
> -
> -DECLARE_EVENT_CLASS(put_swap_token_template,
> -	TP_PROTO(struct mm_struct *swap_token_mm),
> -
> -	TP_ARGS(swap_token_mm),
> -
> -	TP_STRUCT__entry(
> -		__field(struct mm_struct*, swap_token_mm)
> -	),
> -
> -	TP_fast_assign(
> -		__entry->swap_token_mm = swap_token_mm;
> -	),
> -
> -	TP_printk("token_mm=%p", __entry->swap_token_mm)
> -);
> -
> -DEFINE_EVENT(put_swap_token_template, put_swap_token,
> -	TP_PROTO(struct mm_struct *swap_token_mm),
> -	TP_ARGS(swap_token_mm)
> -);
> -
> -DEFINE_EVENT_CONDITION(put_swap_token_template, disable_swap_token,
> -	TP_PROTO(struct mm_struct *swap_token_mm),
> -	TP_ARGS(swap_token_mm),
> -	TP_CONDITION(swap_token_mm != NULL)
> -);
> -
> -TRACE_EVENT_CONDITION(update_swap_token_priority,
> -	TP_PROTO(struct mm_struct *mm,
> -		 unsigned int old_prio,
> -		 struct mm_struct *swap_token_mm),
> -
> -	TP_ARGS(mm, old_prio, swap_token_mm),
> -
> -	TP_CONDITION(mm->token_priority != old_prio),
> -
> -	TP_STRUCT__entry(
> -		__field(struct mm_struct*, mm)
> -		__field(unsigned int, old_prio)
> -		__field(unsigned int, new_prio)
> -		__field(struct mm_struct*, swap_token_mm)
> -		__field(unsigned int, swap_token_prio)
> -	),
> -
> -	TP_fast_assign(
> -		__entry->mm		= mm;
> -		__entry->old_prio	= old_prio;
> -		__entry->new_prio	= mm->token_priority;
> -		__entry->swap_token_mm	= swap_token_mm;
> -		__entry->swap_token_prio = swap_token_mm ? swap_token_mm->token_priority : 0;
> -	),
> -
> -	TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
> -		  __entry->mm, __entry->old_prio, __entry->new_prio,
> -		  __entry->swap_token_mm, __entry->swap_token_prio)
> -);
> -
>  #endif /* _TRACE_VMSCAN_H */
>  
>  /* This part must be outside protection */
> diff --git a/probes/Makefile b/probes/Makefile
> index c39a84a..779616d 100644
> --- a/probes/Makefile
> +++ b/probes/Makefile
> @@ -24,23 +24,23 @@ endif
>  
>  obj-m +=  $(shell \
>  	if [ $(VERSION) -ge 3 \
> -		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
> +		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
>  		echo "lttng-probe-signal.o" ; fi;)
>  
>  ifneq ($(CONFIG_BLOCK),)
>  ifneq ($(CONFIG_EVENT_TRACING),)	# need blk_cmd_buf_len
> -obj-m +=  $(shell \
> -	if [ $(VERSION) -ge 3 \
> -		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
> -		echo "lttng-probe-block.o" ; fi;)
> +obj-m += lttng-probe-block.o
>  endif
>  endif
>  
>  ifneq ($(CONFIG_NET),)
> -obj-m += lttng-probe-net.o
>  obj-m += lttng-probe-napi.o
>  obj-m += lttng-probe-skb.o
>  obj-m +=  $(shell \
> +	if [ $(VERSION) -ge 3 \
> +		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
> +		echo "lttng-probe-net.o" ; fi;)
> +obj-m +=  $(shell \
>  	if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
>  		echo "lttng-probe-sock.o" ; fi;)
>  obj-m +=  $(shell \
> @@ -56,9 +56,22 @@ obj-m +=  $(shell \
>  endif
>  
>  ifneq ($(CONFIG_EXT3_FS),)
> -obj-m +=  $(shell \
> +ext3_dep = $(srctree)/fs/ext3/*.h
> +ext3_dep_check = $(wildcard $(ext3_dep))
> +ext3 = $(shell \
>  	if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
> -		echo "lttng-probe-ext3.o" ; fi;)
> +		if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
> +			-z "$(ext3_dep_check)" ] ; then \
> +			echo "warn" ; \
> +			exit ; \
> +		fi; \
> +		echo "lttng-probe-ext3.o" ; \
> +	fi;)
> +ifeq ($(ext3),warn)
> +$(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
> +ext3 =
> +endif
> +obj-m += $(ext3)
>  endif
>  
>  ifneq ($(CONFIG_GPIOLIB),)
> @@ -86,12 +99,14 @@ endif
>  
>  ifneq ($(CONFIG_SCSI),)
>  obj-m +=  $(shell \
> -	if [ $(VERSION) -ge 3 ] ; then \
> +	if [ $(VERSION) -ge 3 \
> +		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
>  		echo "lttng-probe-scsi.o" ; fi;)
>  endif
>  
>  vmscan = $(shell \
> -	if [ $(VERSION) -ge 3 ] ; then \
> +	if [ $(VERSION) -ge 3 \
> +		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
>  		echo "lttng-probe-vmscan.o" ; fi;)
>  ifneq ($(CONFIG_SWAP),)
>  	obj-m += $(vmscan)
> @@ -101,9 +116,11 @@ ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
>  endif
>  endif
>  
> -ifneq ($(CONFIG_LOCKDEP),)
> -obj-m += lttng-probe-lock.o
> -endif
> +# lock probe does not work, so disabling it for now
> +#ifneq ($(CONFIG_LOCKDEP),)
> +#obj-m += lttng-probe-lock.o
> +#endif
> +
>  
>  ifneq ($(CONFIG_KPROBES),)
>  obj-m += lttng-kprobes.o
> diff --git a/probes/lttng-probe-asoc.c b/probes/lttng-probe-asoc.c
> index 427639f..ad54a37 100644
> --- a/probes/lttng-probe-asoc.c
> +++ b/probes/lttng-probe-asoc.c
> @@ -1,5 +1,5 @@
>  /*
> - * probes/lttng-probe-block.c
> + * probes/lttng-probe-asoc.c
>   *
>   * LTTng asoc probes.
>   *
> @@ -41,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/asoc.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Paul Woegerer <paul_woegerer at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>, Paul Woegerer <paul_woegerer at mentor.com>, and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng asoc probes");
> diff --git a/probes/lttng-probe-block.c b/probes/lttng-probe-block.c
> index c0c2702..3eb668f 100644
> --- a/probes/lttng-probe-block.c
> +++ b/probes/lttng-probe-block.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/block.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-ext3.c b/probes/lttng-probe-ext3.c
> index 0df2b67..87c8cfb 100644
> --- a/probes/lttng-probe-ext3.c
> +++ b/probes/lttng-probe-ext3.c
> @@ -27,20 +27,16 @@
>  #include <linux/version.h>
>  
>  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
> -/*
> - * Since 3.4 the is no linux/ext3_fs_i.h anymore. Instead we have to use
> - * ext3.h from fs/ext3/ext3.h (which also includes trace/events/ext3.h)
> - */
> -#include "../instrumentation/events/mainline/fs_ext3.h"
> +#include <../fs/ext3/ext3.h>
>  #else
>  #include <linux/ext3_fs_i.h>
> +#endif
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
>   * trace event macros match the kernel we run on.
>   */
>  #include <trace/events/ext3.h>
> -#endif
>  
>  /*
>   * Create LTTng tracepoint probes.
> @@ -52,5 +48,5 @@
>  #include "../instrumentation/events/lttng-module/ext3.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Paul Woegerer <paul_woegerer at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>, Paul Woegerer <paul_woegerer at mentor.com>, and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng ext3 probes");
> diff --git a/probes/lttng-probe-irq.c b/probes/lttng-probe-irq.c
> index afcd1d2..bdd78fb 100644
> --- a/probes/lttng-probe-irq.c
> +++ b/probes/lttng-probe-irq.c
> @@ -22,7 +22,6 @@
>  
>  #include <linux/module.h>
>  #include <linux/interrupt.h>
> -#include "../wrapper/tracepoint.h"
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
> @@ -30,6 +29,8 @@
>   */
>  #include <trace/events/irq.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-jbd.c b/probes/lttng-probe-jbd.c
> index 46911cc..dc94894 100644
> --- a/probes/lttng-probe-jbd.c
> +++ b/probes/lttng-probe-jbd.c
> @@ -22,7 +22,6 @@
>   */
>  
>  #include <linux/module.h>
> -#include <linux/version.h>
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
> @@ -40,5 +39,5 @@
>  #include "../instrumentation/events/lttng-module/jbd.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Paul Woegerer <paul_woegerer at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>, Paul Woegerer <paul_woegerer at mentor.com>, and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng jbd probes");
> diff --git a/probes/lttng-probe-jbd2.c b/probes/lttng-probe-jbd2.c
> index eea0a66..30ccf3f 100644
> --- a/probes/lttng-probe-jbd2.c
> +++ b/probes/lttng-probe-jbd2.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/jbd2.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> @@ -39,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/jbd2.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng jbd2 probes");
> diff --git a/probes/lttng-probe-kmem.c b/probes/lttng-probe-kmem.c
> index af67759..441df75 100644
> --- a/probes/lttng-probe-kmem.c
> +++ b/probes/lttng-probe-kmem.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/kmem.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> @@ -39,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/kmem.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng kmem probes");
> diff --git a/probes/lttng-probe-kvm.c b/probes/lttng-probe-kvm.c
> index 3b59fa1..bdec187 100644
> --- a/probes/lttng-probe-kvm.c
> +++ b/probes/lttng-probe-kvm.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/kvm.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-lock.c b/probes/lttng-probe-lock.c
> index 16ac0e7..b95e0c5 100644
> --- a/probes/lttng-probe-lock.c
> +++ b/probes/lttng-probe-lock.c
> @@ -22,12 +22,19 @@
>   */
>  
>  #include <linux/module.h>
> +#include <linux/version.h>
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
>   * trace event macros match the kernel we run on.
>   */
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
>  #include <trace/events/lock.h>
> +#else
> +#include <trace/events/lockdep.h>
> +#endif
> +
> +#include "../wrapper/tracepoint.h"
>  
>  /*
>   * Create LTTng tracepoint probes.
> @@ -39,5 +46,5 @@
>  #include "../instrumentation/events/lttng-module/lock.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng lock probes");
> diff --git a/probes/lttng-probe-module.c b/probes/lttng-probe-module.c
> index 1a3c255..3594001 100644
> --- a/probes/lttng-probe-module.c
> +++ b/probes/lttng-probe-module.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/module.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> @@ -39,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/module.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng module probes");
> diff --git a/probes/lttng-probe-napi.c b/probes/lttng-probe-napi.c
> index cae8504..47371a8 100644
> --- a/probes/lttng-probe-napi.c
> +++ b/probes/lttng-probe-napi.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/napi.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-power.c b/probes/lttng-probe-power.c
> index 5dcb93f..ff25a8a 100644
> --- a/probes/lttng-probe-power.c
> +++ b/probes/lttng-probe-power.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/power.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> @@ -39,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/power.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng power probes");
> diff --git a/probes/lttng-probe-sched.c b/probes/lttng-probe-sched.c
> index caef6f7..8a72e14 100644
> --- a/probes/lttng-probe-sched.c
> +++ b/probes/lttng-probe-sched.c
> @@ -21,7 +21,6 @@
>   */
>  
>  #include <linux/module.h>
> -#include "../wrapper/tracepoint.h"
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
> @@ -29,6 +28,8 @@
>   */
>  #include <trace/events/sched.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-scsi.c b/probes/lttng-probe-scsi.c
> index 51702c3..57677c6 100644
> --- a/probes/lttng-probe-scsi.c
> +++ b/probes/lttng-probe-scsi.c
> @@ -40,5 +40,5 @@
>  #include "../instrumentation/events/lttng-module/scsi.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng scsi probes");
> diff --git a/probes/lttng-probe-skb.c b/probes/lttng-probe-skb.c
> index 52edf88..71e890d 100644
> --- a/probes/lttng-probe-skb.c
> +++ b/probes/lttng-probe-skb.c
> @@ -29,6 +29,8 @@
>   */
>  #include <trace/events/skb.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> @@ -39,5 +41,5 @@
>  #include "../instrumentation/events/lttng-module/skb.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng skb probes");
> diff --git a/probes/lttng-probe-timer.c b/probes/lttng-probe-timer.c
> index 9cf7492..299f630 100644
> --- a/probes/lttng-probe-timer.c
> +++ b/probes/lttng-probe-timer.c
> @@ -21,7 +21,6 @@
>   */
>  
>  #include <linux/module.h>
> -#include "../wrapper/tracepoint.h"
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
> @@ -31,6 +30,8 @@
>  #include <linux/sched.h>
>  #include <trace/events/timer.h>
>  
> +#include "../wrapper/tracepoint.h"
> +
>  /*
>   * Create LTTng tracepoint probes.
>   */
> diff --git a/probes/lttng-probe-vmscan.c b/probes/lttng-probe-vmscan.c
> index 4f5739c..d5892a4 100644
> --- a/probes/lttng-probe-vmscan.c
> +++ b/probes/lttng-probe-vmscan.c
> @@ -22,7 +22,6 @@
>   */
>  
>  #include <linux/module.h>
> -#include <linux/version.h>
>  
>  /*
>   * Create the tracepoint static inlines from the kernel to validate that our
> @@ -39,13 +38,8 @@
>  #define CREATE_TRACE_POINTS
>  #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module
>  
> -#if ((LINUX_VERSION_CODE <= KERNEL_VERSION(3,0,38)) || \
> -	LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
> -typedef int isolate_mode_t;
> -#endif
> -
>  #include "../instrumentation/events/lttng-module/vmscan.h"
>  
>  MODULE_LICENSE("GPL and additional rights");
> -MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com> and Paul Woegerer <paul_woegerer at mentor.com>");
> +MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth at mentor.com>, Paul Woegerer <paul_woegerer at mentor.com>, and Andrew Gabbasov <andrew_gabbasov at mentor.com>");
>  MODULE_DESCRIPTION("LTTng vmscan probes");
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com



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