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2 bugfixes for md in 3.6 

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.
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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.
This commit is contained in:
Linus Torvalds 2012-09-27 15:44:31 -07:00
parent 5030fcbf0b 80b4812407
commit d1d4bb9cf2
2 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/md/raid10.c
View File

@ -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;
}

1
drivers/md/raid5.c
View File

@ -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);
}