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| author | Mikulas Patocka <mpatocka@redhat.com> | 2021-01-23 17:19:56 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2021-02-03 18:10:05 +0300 |
| commit | cb728484a7710c202f02b96aa0962ce9b07aa5c2 (patch) | |
| tree | 571ea5b9d22f486c26c06a3d2641d704e20bc9ac /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 09d85f8d8909ec8baa07479ba5777bbca24961f3 (diff) | |
| download | linux-cb728484a7710c202f02b96aa0962ce9b07aa5c2.tar.xz | |
dm writecache: fix performance degradation in ssd mode
Fix a thinko in ssd_commit_superblock. region.count is in sectors, not
bytes. This bug doesn't corrupt data, but it causes performance
degradation.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: dc8a01ae1dbd ("dm writecache: optimize superblock write")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions