diff options
author | Huaisheng Ye <yehs1@lenovo.com> | 2019-08-25 10:24:32 +0300 |
---|---|---|
committer | Mike Snitzer <snitzer@redhat.com> | 2019-08-26 17:54:41 +0300 |
commit | 62421b3880c71da7ecbf9c4072dc64ef3e65ad0a (patch) | |
tree | 596013152e369e21cd0d41e34a1522c1b0ca1852 /tools/perf/scripts/python/export-to-postgresql.py | |
parent | 58912dbce6becd31c09b02a1a26b76a5ee23763b (diff) | |
download | linux-62421b3880c71da7ecbf9c4072dc64ef3e65ad0a.tar.xz |
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 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions