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authorLinus Torvalds <torvalds@linux-foundation.org>2012-09-27 15:44:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-09-27 15:44:31 -0700
commitd1d4bb9cf2cfce0eb681d5761d8e620c2d27f051 (patch)
tree13728dda66a764a9746c1729c67c983141572cb2
parent5030fcbf0bdcefe8ac2da15bc5be8060b5cb7903 (diff)
parent80b4812407c6b1f66a4f2430e69747a13f010839 (diff)
downloadlinux-d1d4bb9cf2cfce0eb681d5761d8e620c2d27f051.tar.bz2
Merge tag 'md-3.6-fixes' of git://neil.brown.name/md
Pull two md bugfixes from NeilBrown: "One (missing spinlock init) was only introduced recently. The other has been present as long as raid10 has been supported, so is tagged for -stable." * tag 'md-3.6-fixes' of git://neil.brown.name/md: md/raid10: fix "enough" function for detecting if array is failed. md/raid5: add missing spin_lock_init.
-rw-r--r--drivers/md/raid10.c8
-rw-r--r--drivers/md/raid5.c1
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 1c2eb38f3c51..0138a727c1f3 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1512,14 +1512,16 @@ static int _enough(struct r10conf *conf, struct geom *geo, int ignore)
do {
int n = conf->copies;
int cnt = 0;
+ int this = first;
while (n--) {
- if (conf->mirrors[first].rdev &&
- first != ignore)
+ if (conf->mirrors[this].rdev &&
+ this != ignore)
cnt++;
- first = (first+1) % geo->raid_disks;
+ this = (this+1) % geo->raid_disks;
}
if (cnt == 0)
return 0;
+ first = (first + geo->near_copies) % geo->raid_disks;
} while (first != 0);
return 1;
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7031b865b3a0..0689173fd9f5 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1591,6 +1591,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
#ifdef CONFIG_MULTICORE_RAID456
init_waitqueue_head(&nsh->ops.wait_for_ops);
#endif
+ spin_lock_init(&nsh->stripe_lock);
list_add(&nsh->lru, &newstripes);
}