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authorMikulas Patocka <mpatocka@redhat.com>2021-05-26 10:16:01 -0400
committerMike Snitzer <snitzer@redhat.com>2021-06-04 12:07:24 -0400
commitdb2351eb22e42c5e29ce0caa967a10bb34efabb5 (patch)
treec004cbea20922b2029087f490a2271a996bbfd17 /drivers/md/dm-raid1.c
parent6b06dd5a972288d011a49d63eb9f6a5003d2e932 (diff)
downloadlinux-db2351eb22e42c5e29ce0caa967a10bb34efabb5.tar.bz2
dm kcopyd: avoid useless atomic operations
The functions set_bit and clear_bit are atomic. We don't need atomicity when making flags for dm-kcopyd. So, change them to direct manipulation of the flags. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-raid1.c')
-rw-r--r--drivers/md/dm-raid1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index b0a82f29a2e4..ebb4810cc3b4 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -364,7 +364,7 @@ static void recover(struct mirror_set *ms, struct dm_region *reg)
/* hand to kcopyd */
if (!errors_handled(ms))
- set_bit(DM_KCOPYD_IGNORE_ERROR, &flags);
+ flags |= BIT(DM_KCOPYD_IGNORE_ERROR);
dm_kcopyd_copy(ms->kcopyd_client, &from, ms->nr_mirrors - 1, to,
flags, recovery_complete, reg);