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| author | NeilBrown <neilb@suse.com> | 2016-11-14 06:30:21 +0100 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2016-11-18 18:35:37 +0100 |
| commit | 578b54ade8a5e04df6edc14cb68ad0f6f491a1a1 (patch) | |
| tree | 8a538bd4decbbe556c585455efd9ea5daf33bfa9 /drivers/md/dm-raid1.c | |
| parent | md/bitmap: add blktrace event for writes to the bitmap (diff) | |
| download | linux-578b54ade8a5e04df6edc14cb68ad0f6f491a1a1.tar.xz linux-578b54ade8a5e04df6edc14cb68ad0f6f491a1a1.zip | |
md/raid1, raid10: add blktrace records when IO is delayed
Both raid1 and raid10 will sometimes delay handling an IO request,
such as when resync is happening or there are too many requests queued.
Add some blktrace messsages so we can see when that is happening when
looking for performance artefacts.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md/dm-raid1.c')
0 files changed, 0 insertions, 0 deletions