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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-10 09:52:59 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-10 09:52:59 +0100
commitb920eb41a8241c54efbbd4f2ed6d074f497b0d9e (patch)
tree5941091817e932add192f8e58dc88d483322e214 /drivers/md/raid1.c
parenta9d5801041eecc7baceff49a28e82f91f207a961 (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge tag 'v3.4-rc2' into regulator-drivers
Linux 3.4-rc2 contains some fixes that further patches depend upon.
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4a40a200d769..d35e4c991e38 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1738,7 +1738,7 @@ static int process_checks(struct r1bio *r1_bio)
s = sbio->bi_io_vec[j].bv_page;
if (memcmp(page_address(p),
page_address(s),
- PAGE_SIZE))
+ sbio->bi_io_vec[j].bv_len))
break;
}
} else
@@ -2386,8 +2386,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp
int ok = 1;
for (i = 0 ; i < conf->raid_disks * 2 ; i++)
if (r1_bio->bios[i]->bi_end_io == end_sync_write) {
- struct md_rdev *rdev =
- rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = conf->mirrors[i].rdev;
ok = rdev_set_badblocks(rdev, sector_nr,
min_bad, 0
) && ok;
@@ -2636,11 +2635,13 @@ static struct r1conf *setup_conf(struct mddev *mddev)
return ERR_PTR(err);
}
+static int stop(struct mddev *mddev);
static int run(struct mddev *mddev)
{
struct r1conf *conf;
int i;
struct md_rdev *rdev;
+ int ret;
if (mddev->level != 1) {
printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
@@ -2705,7 +2706,11 @@ static int run(struct mddev *mddev)
mddev->queue->backing_dev_info.congested_data = mddev;
blk_queue_merge_bvec(mddev->queue, raid1_mergeable_bvec);
}
- return md_integrity_register(mddev);
+
+ ret = md_integrity_register(mddev);
+ if (ret)
+ stop(mddev);
+ return ret;
}
static int stop(struct mddev *mddev)