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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-16 22:27:58 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-16 22:27:58 -0500
commitd05f06e60df4f56a70fb8a3e46335b40687169e9 (patch)
treec1eec6749fed86a21b08606e1e4acefe4b033253 /drivers/md/raid10.c
parent0af1c5300db31f25a412e6e83d42b1747d56c9de (diff)
parent1d72d9f83df057e71c7951def41138a0230bf737 (diff)
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Merge branch 'arch-frv' into no-rebases
Diffstat (limited to 'drivers/md/raid10.c')
-rw-r--r--drivers/md/raid10.c15
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",