diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-30 19:48:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-30 19:48:48 -0700 |
| commit | 2df4f26167ab6adc7d2648f57f433ff461965fc8 (patch) | |
| tree | 3f583ae3f4b4f8b81046c75cd4f882a03c44b13a /drivers/md/raid10.c | |
| parent | bc909421a9c7083fcde795846d22b36a51a7be54 (diff) | |
| parent | ed30be077e705e0dff53bfc51d23feb8aeeab78f (diff) | |
Merge tag 'md-3.7-fixes' of git://neil.brown.name/md
Pull md fixes from NeilBrown:
"Some fixes for md in 3.7
- one recently introduced crash for dm-raid10 with discard
- one bug in new functionality that has been around for a few
releases.
- minor bug in md's 'faulty' personality
and UAPI disintegration for md."
* tag 'md-3.7-fixes' of git://neil.brown.name/md:
MD RAID10: Fix oops when creating RAID10 arrays via dm-raid.c
md/raid1: Fix assembling of arrays containing Replacements.
md faulty: use disk_stack_limits()
UAPI: (Scripted) Disintegrate include/linux/raid
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 906ccbd0f7dc..d1295aff4173 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1783,7 +1783,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev) clear_bit(Unmerged, &rdev->flags); } md_integrity_add_rdev(rdev, mddev); - if (blk_queue_discard(bdev_get_queue(rdev->bdev))) + if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev))) queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); print_conf(conf); @@ -3613,11 +3613,14 @@ static int run(struct mddev *mddev) discard_supported = true; } - if (discard_supported) - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - else - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - + if (mddev->queue) { + if (discard_supported) + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + else + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + } /* need to check that every block has at least one working mirror */ if (!enough(conf, -1)) { printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n", |