diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index fec4abcb9bb4..9ef21d9b8e27 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2088,7 +2088,6 @@ static void sync_sbs(mddev_t * mddev, int nospares) if (rdev->sb_events == mddev->events || (nospares && rdev->raid_disk < 0 && - (rdev->sb_events&1)==0 && rdev->sb_events+1 == mddev->events)) { /* Don't update this superblock */ rdev->sb_loaded = 2; @@ -2141,28 +2140,14 @@ repeat: * and 'events' is odd, we can roll back to the previous clean state */ if (nospares && (mddev->in_sync && mddev->recovery_cp == MaxSector) - && (mddev->events & 1) - && mddev->events != 1) + && mddev->can_decrease_events + && mddev->events != 1) { mddev->events--; - else { + mddev->can_decrease_events = 0; + } else { /* otherwise we have to go forward and ... */ mddev->events ++; - if (!mddev->in_sync || mddev->recovery_cp != MaxSector) { /* not clean */ - /* .. if the array isn't clean, an 'even' event must also go - * to spares. */ - if ((mddev->events&1)==0) { - nospares = 0; - sync_req = 2; /* force a second update to get the - * even/odd in sync */ - } - } else { - /* otherwise an 'odd' event must go to spares */ - if ((mddev->events&1)) { - nospares = 0; - sync_req = 2; /* force a second update to get the - * even/odd in sync */ - } - } + mddev->can_decrease_events = nospares; } if (!mddev->events) { @@ -4606,6 +4591,7 @@ static void md_clean(mddev_t *mddev) mddev->layout = 0; mddev->max_disks = 0; mddev->events = 0; + mddev->can_decrease_events = 0; mddev->delta_disks = 0; mddev->new_level = LEVEL_NONE; mddev->new_layout = 0; |