---

yaml --- r: 252347 b: refs/heads/master c: 174ba50 h: refs/heads/master i: 252345: 9cce532 252343: dc216b4 v: v3
git-mirror · May 27, 2011 · d9f61e1 · d9f61e1
1 parent 8297845
commit d9f61e1
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a47d6b70e280401d553e7cac6f5750870de1ad21
+refs/heads/master: 174ba50915b08dcfd07c8b5fb795b46a165fa09a
diff --git a/trunk/fs/btrfs/disk-io.c b/trunk/fs/btrfs/disk-io.c
@@ -2310,7 +2310,7 @@ int write_all_supers(struct btrfs_root *root, int max_mirrors)
 	sb = &root->fs_info->super_for_commit;
 	dev_item = &sb->dev_item;
 
-	rcu_read_lock();
+	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
 	head = &root->fs_info->fs_devices->devices;
 	list_for_each_entry_rcu(dev, head, dev_list) {
 		if (!dev->bdev) {
@@ -2355,7 +2355,7 @@ int write_all_supers(struct btrfs_root *root, int max_mirrors)
 		if (ret)
 			total_errors++;
 	}
-	rcu_read_unlock();
+	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
 	if (total_errors > max_errors) {
 		printk(KERN_ERR "btrfs: %d errors while writing supers\n",
 		       total_errors);