[Ocfs2-devel] [PATCH] ocfs2: Use hrtimer to track ocfs2 fs lock stats

[Joel Becker]

On Tue, Dec 28, 2010 at 11:26:03PM -0800, Sunil Mushran wrote:
> Patch makes use of the hrtimer to track times in ocfs2 lock stats.
> 
> The patch is a bit involved to ensure no additional impact on the memory
> footprint. The size of ocfs2_inode_cache remains 1280 bytes on 32-bit systems.
> 
> A related change was to modify the unit of the max wait time from nanosec to
> microsec allowing us to track max time larger than 4 secs. This change
> necessitated the bumping of the output version in the debugfs file,
> locking_state, from 2 to 3.
> 
> Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>

	This patch is now in the merge-window branch of ocfs2.git.

Joel

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