diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2026-07-10 18:35:49 +0200 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2026-07-10 18:40:00 +0200 |
| commit | 1917eb2db750ecbdf710f79a8042eaa545a063c7 (patch) | |
| tree | 813f61e17603e24df1b1d5e3132aec13973bb538 /drivers | |
| parent | 422f1d4f141eaa3a6e4199ceec86cc6b9bf26570 (diff) | |
dm-stats: fix merge accounting
There were wrong parentheses when setting stats_aux->merged, so that
merging was never properly accounted. This commit fixes it.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Assisted-by: Claude:claude-opus-4-6
Fixes: fd2ed4d25270 ("dm: add statistics support")
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-stats.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index c53cf07ab7b0..e06374a3329e 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -692,10 +692,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, */ last = raw_cpu_ptr(stats->last); stats_aux->merged = - (bi_sector == (READ_ONCE(last->last_sector) && - ((bi_rw == WRITE) == - (READ_ONCE(last->last_rw) == WRITE)) - )); + bi_sector == READ_ONCE(last->last_sector) && + (bi_rw == WRITE) == (READ_ONCE(last->last_rw) == WRITE); WRITE_ONCE(last->last_sector, end_sector); WRITE_ONCE(last->last_rw, bi_rw); } else |