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authorNeilBrown <neilb@suse.de>2014-01-14 16:30:10 +1100
committerNeilBrown <neilb@suse.de>2014-01-14 16:44:21 +1100
commit0b59bb6422e43ad0534073e2cbc4d0f52720da88 (patch)
tree42091a7d809216ef68b5f41e5a90d6a039538932 /drivers/md
parent7eb418851f3278de67126ea0c427641ab4792c57 (diff)
downloadblackbird-op-linux-0b59bb6422e43ad0534073e2cbc4d0f52720da88.tar.gz
blackbird-op-linux-0b59bb6422e43ad0534073e2cbc4d0f52720da88.zip
md/raid10: avoid fullsync when not necessary.
This is the raid10 equivalent of commit 4f0a5e012cf41321d611e7cad63e1017d143d138 MD RAID1: Further conditionalize 'fullsync' If a device in a newly assembled array is not fully recovered we currently do a fully resync by don't need to. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/raid10.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 06eeb99ea6fc..8d39d63281b9 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3747,7 +3747,8 @@ static int run(struct mddev *mddev)
!test_bit(In_sync, &disk->rdev->flags)) {
disk->head_position = 0;
mddev->degraded++;
- if (disk->rdev)
+ if (disk->rdev &&
+ disk->rdev->saved_raid_disk < 0)
conf->fullsync = 1;
}
disk->recovery_disabled = mddev->recovery_disabled - 1;
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