diff options
| author | Shaohua Li <shli@fb.com> | 2016-11-18 09:44:08 -0800 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2016-11-18 09:47:57 -0800 |
| commit | 504634f60f463e73e7d58c6810a04437da942dba (patch) | |
| tree | abdc28fb557c2158f005a6f271c60c983562c43e /drivers/hwspinlock | |
| parent | 578b54ade8a5e04df6edc14cb68ad0f6f491a1a1 (diff) | |
md: add blktrace event for writes to superblock
superblock write is an expensive operation. With raid5-cache, it can be called
regularly. Tracing to help performance debug.
Signed-off-by: Shaohua Li <shli@fb.com>
Cc: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/hwspinlock')
0 files changed, 0 insertions, 0 deletions