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authorNeilBrown <neilb@suse.de>2006-10-21 10:24:07 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-21 13:35:05 -0700
commit2e333e89860431d22816c1bdaa2ea72c2753396e (patch)
treedf1a82cc995ec45936bf9ded1f57166f5f8e1ee9
parent3c5473f80770768ab5712eb5a7492c16e97209fe (diff)
[PATCH] md: fix calculation of ->degraded for multipath and raid10
Two less-used md personalities have bugs in the calculation of ->degraded (the extent to which the array is degraded). Signed-off-by: Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/md/multipath.c2
-rw-r--r--drivers/md/raid10.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 171ff41b52b05..a6260f0e3b9e5 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -501,7 +501,7 @@ static int multipath_run (mddev_t *mddev)
mdname(mddev));
goto out_free_conf;
}
- mddev->degraded = conf->raid_disks = conf->working_disks;
+ mddev->degraded = conf->raid_disks - conf->working_disks;
conf->pool = mempool_create_kzalloc_pool(NR_RESERVED_BUFS,
sizeof(struct multipath_bh));
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 1250f0eab4afa..74f17a9a6ebb7 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2079,7 +2079,7 @@ static int run(mddev_t *mddev)
disk = conf->mirrors + i;
if (!disk->rdev ||
- !test_bit(In_sync, &rdev->flags)) {
+ !test_bit(In_sync, &disk->rdev->flags)) {
disk->head_position = 0;
mddev->degraded++;
}