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dm raid: fix nosync status 

Fix a race for "nosync" activations providing "aa.." device health
characters and "0/N" sync ratio rather than "AA..." and "N/N".  Occurs
when status for the raid set is retrieved during resume before the MD
sync thread starts and clears the MD_RECOVERY_NEEDED flag.

Cc: stable@vger.kernel.org # 4.16+
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2018-03-16 23:01:59 +01:00 committed by Mike Snitzer
parent 8192a0cd76
commit 880bcce0dc
1 changed files with 2 additions and 1 deletions
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3
drivers/md/dm-raid.c
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@ -3408,7 +3408,8 @@ static sector_t rs_get_progress(struct raid_set *rs, unsigned long recovery,
set_bit(RT_FLAG_RS_IN_SYNC, &rs->runtime_flags);
} else {
if (!test_bit(MD_RECOVERY_INTR, &recovery) &&
if (!test_bit(__CTR_FLAG_NOSYNC, &rs->ctr_flags) &&
!test_bit(MD_RECOVERY_INTR, &recovery) &&
(test_bit(MD_RECOVERY_NEEDED, &recovery) ||
test_bit(MD_RECOVERY_RESHAPE, &recovery) ||
test_bit(MD_RECOVERY_RUNNING, &recovery)))