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| author | NeilBrown <neilb@suse.de> | 2006-10-28 21:38:31 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-28 22:30:51 +0400 |
| commit | 750a8f3e8f64654a584e54038c2c8db380813c79 (patch) | |
| tree | d2227e5b694f4ff4ce57ce991213a8c5502f9393 | |
| parent | 01ab5662f573fe3a6bcefa200f15ab3069cec8a3 (diff) | |
| download | linux-750a8f3e8f64654a584e54038c2c8db380813c79.tar.xz | |
[PATCH] md: fix up maintenance of ->degraded in multipath
A recent fix which made sure ->degraded was initialised properly exposed a
second bug - ->degraded wasn't been updated when drives failed or were
hot-added.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/md/multipath.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index a6260f0e3b9e..14da37fee37b 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -277,6 +277,7 @@ static void multipath_error (mddev_t *mddev, mdk_rdev_t *rdev) set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); conf->working_disks--; + mddev->degraded++; printk(KERN_ALERT "multipath: IO failure on %s," " disabling IO path. \n Operation continuing" " on %d IO paths.\n", @@ -336,6 +337,7 @@ static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); conf->working_disks++; + mddev->degraded--; rdev->raid_disk = path; set_bit(In_sync, &rdev->flags); rcu_assign_pointer(p->rdev, rdev); |