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| author | Huaisheng Ye <yehs1@lenovo.com> | 2019-08-25 15:24:32 +0800 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2019-08-26 10:54:41 -0400 |
| commit | 62421b3880c71da7ecbf9c4072dc64ef3e65ad0a (patch) | |
| tree | 596013152e369e21cd0d41e34a1522c1b0ca1852 /mm/backing-dev.c | |
| parent | 58912dbce6becd31c09b02a1a26b76a5ee23763b (diff) | |
dm writecache: add unlikely for getting two block with same LBA
In function writecache_writeback, entries g and f has same original
sector only happens at entry f has been committed, but entry g has
NOT yet.
The probability of this happening is very low in the following
256 blocks at most of entry e.
Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions