[lttng-dev] [PATCH lttng-modules] Fix: update btrfs instrumentation for kernel 4.12

[Mathieu Desnoyers]

Merged into master, 2.10, 2.9, 2.8.

----- On May 23, 2017, at 9:46 PM, Michael Jeanson mjeanson at efficios.com wrote:

> See upstream commit 490b54d6fb75f6ffd0471ec58bb38a992e2b40cd
> 
> Signed-off-by: Michael Jeanson <mjeanson at efficios.com>
> ---
> instrumentation/events/lttng-module/btrfs.h | 48 ++++++++++++++++++++++++++++-
> 1 file changed, 47 insertions(+), 1 deletion(-)
> 
> diff --git a/instrumentation/events/lttng-module/btrfs.h
> b/instrumentation/events/lttng-module/btrfs.h
> index ecaf382..72777bc 100644
> --- a/instrumentation/events/lttng-module/btrfs.h
> +++ b/instrumentation/events/lttng-module/btrfs.h
> @@ -83,7 +83,30 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode,
> btrfs_inode_evict,
> 	TP_ARGS(inode)
> )
> 
> -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
> +
> +LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,
> +
> +	TP_PROTO(struct btrfs_root *root, struct btrfs_inode *inode,
> +		struct extent_map *map),
> +
> +	TP_ARGS(root, inode, map),
> +
> +	TP_FIELDS(
> +		ctf_integer(u64, root_objectid, root->root_key.objectid)
> +		ctf_integer(u64, ino, btrfs_ino(inode))
> +		ctf_integer(u64, start, map->start)
> +		ctf_integer(u64, len, map->len)
> +		ctf_integer(u64, orig_start, map->orig_start)
> +		ctf_integer(u64, block_start, map->block_start)
> +		ctf_integer(u64, block_len, map->block_len)
> +		ctf_integer(unsigned long, flags, map->flags)
> +		ctf_integer(int, refs, refcount_read(&map->refs))
> +		ctf_integer(unsigned int, compress_type, map->compress_type)
> +	)
> +)
> +
> +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
> 
> LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,
> 
> @@ -152,6 +175,28 @@ LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,
> 
> #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
> 
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
> +LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,
> +
> +	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
> +
> +	TP_ARGS(inode, ordered),
> +
> +	TP_FIELDS(
> +		ctf_integer(ino_t, ino, inode->i_ino)
> +		ctf_integer(u64, file_offset, ordered->file_offset)
> +		ctf_integer(u64, start, ordered->start)
> +		ctf_integer(u64, len, ordered->len)
> +		ctf_integer(u64, disk_len, ordered->disk_len)
> +		ctf_integer(u64, bytes_left, ordered->bytes_left)
> +		ctf_integer(unsigned long, flags, ordered->flags)
> +		ctf_integer(int, compress_type, ordered->compress_type)
> +		ctf_integer(int, refs, refcount_read(&ordered->refs))
> +		ctf_integer(u64, root_objectid,
> +				BTRFS_I(inode)->root->root_key.objectid)
> +	)
> +)
> +#else
> LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,
> 
> 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
> @@ -172,6 +217,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,
> 				BTRFS_I(inode)->root->root_key.objectid)
> 	)
> )
> +#endif
> 
> LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_add,
> 
> --
> 2.7.4

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com