[ltt-dev] [PATCH 1/2] Make lttctl mount debugfs automatically
zhaolei at cn.fujitsu.com
Wed Jan 7 19:40:49 EST 2009
* From: "Pierre-Marc Fournier" <pierre-marc.fournier at polymtl.ca>
> Zhaolei wrote:
>> lttctl need debugfs mounted,
>> This patch make lttctl mount debugfs automatically when it is not mounted.
> Isn't having a utility such as lttctl mount filesystems against standard
> unix semantics? Can you give an example of another standard command that
> uses a filesystem and that tries to mount it if it isn't already
I can give a an example.
It is SystemTap.
> My guess is we should warn about the filesystem not being
> mounted, but not try to call mount() directly.
>> Little cleanup also done(combile 2 getdebugfsmntdir() into one).
>> Applies on top of ltt-control-0.63-03012009.
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