[PATCH] md: Remove some code that can sleep from under a spinlock

And remove the comments that were put in inplace of a fix too....

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 039e071c1007..1ed5152db450 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -215,13 +215,11 @@ static void mddev_put(mddev_t *mddev)
                 return;
         if (!mddev->raid_disks && list_empty(&mddev->disks)) {
                 list_del(&mddev->all_mddevs);
-                /* that blocks */
+                spin_unlock(&all_mddevs_lock);
                 blk_cleanup_queue(mddev->queue);
-                /* that also blocks */
                 kobject_unregister(&mddev->kobj);
-                /* result blows... */
-        }
-        spin_unlock(&all_mddevs_lock);
+        } else
+                spin_unlock(&all_mddevs_lock);
 }
 
 static mddev_t * mddev_find(dev_t unit)