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authorNeilBrown <neilb@suse.de>2007-03-27 05:32:14 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-27 16:05:14 (GMT)
commit041ae52e265fc432ea5525b1c66720385c2d11f0 (patch)
treeb7bab39615cb591c7df82d70e3f5ad5dba200e3d /drivers/md/raid5.c
parent3d37890baa4ca962f8a6b77525b8f3d0698eee09 (diff)
downloadlinux-fsl-qoriq-041ae52e265fc432ea5525b1c66720385c2d11f0.tar.xz
[PATCH] md: clear the congested_fn when stopping a raid5
If this mddev and queue got reused for another array that doesn't register a congested_fn, this function would get called incorretly. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ae30e87..4dd2528 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3646,8 +3646,8 @@ static int run(mddev_t *mddev)
mddev->queue->unplug_fn = raid5_unplug_device;
mddev->queue->issue_flush_fn = raid5_issue_flush;
- mddev->queue->backing_dev_info.congested_fn = raid5_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
+ mddev->queue->backing_dev_info.congested_fn = raid5_congested;
mddev->array_size = mddev->size * (conf->previous_raid_disks -
conf->max_degraded);
@@ -3678,6 +3678,7 @@ static int stop(mddev_t *mddev)
mddev->thread = NULL;
shrink_stripes(conf);
kfree(conf->stripe_hashtbl);
+ mddev->queue->backing_dev_info.congested_fn = NULL;
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
sysfs_remove_group(&mddev->kobj, &raid5_attrs_group);
kfree(conf->disks);