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authorLinus Torvalds <torvalds@linux-foundation.org>2012-06-06 09:49:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-06-06 09:49:28 -0700
commit374916ed16180b8de388699704e827e7740be525 (patch)
tree5ef81883ac392c0ee57dd53cfdbc64e863844957 /drivers/md
parent9e68447f5b38d6092a6feeeb713a6564e963e68b (diff)
parentaba336bd1d46d6b0404b06f6915ed76150739057 (diff)
downloadop-kernel-dev-374916ed16180b8de388699704e827e7740be525.zip
op-kernel-dev-374916ed16180b8de388699704e827e7740be525.tar.gz
Merge tag 'md-3.5-fixes' of git://neil.brown.name/md
Pull two md fixes from NeilBrown: "One sparse-warning fix, one bugfix for 3.4-stable" * tag 'md-3.5-fixes' of git://neil.brown.name/md: md: raid1/raid10: fix problem with merge_bvec_fn lib/raid6: fix sparse warnings in recovery functions
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/raid1.c4
-rw-r--r--drivers/md/raid10.c4
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 835de71..a9c7981 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2550,6 +2550,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
err = -EINVAL;
spin_lock_init(&conf->device_lock);
rdev_for_each(rdev, mddev) {
+ struct request_queue *q;
int disk_idx = rdev->raid_disk;
if (disk_idx >= mddev->raid_disks
|| disk_idx < 0)
@@ -2562,6 +2563,9 @@ static struct r1conf *setup_conf(struct mddev *mddev)
if (disk->rdev)
goto abort;
disk->rdev = rdev;
+ q = bdev_get_queue(rdev->bdev);
+ if (q->merge_bvec_fn)
+ mddev->merge_check_needed = 1;
disk->head_position = 0;
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 987db37..99ae606 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3475,6 +3475,7 @@ static int run(struct mddev *mddev)
rdev_for_each(rdev, mddev) {
long long diff;
+ struct request_queue *q;
disk_idx = rdev->raid_disk;
if (disk_idx < 0)
@@ -3493,6 +3494,9 @@ static int run(struct mddev *mddev)
goto out_free_conf;
disk->rdev = rdev;
}
+ q = bdev_get_queue(rdev->bdev);
+ if (q->merge_bvec_fn)
+ mddev->merge_check_needed = 1;
diff = (rdev->new_data_offset - rdev->data_offset);
if (!mddev->reshape_backwards)
diff = -diff;
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