[PATCH 1/5] btrfs: fix comment its device list mutex not volume lock

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We have killed volume mutex (commit: dccdb07bc996
btrfs: kill btrfs_fs_info::volume_mutex) update comment. This a trival one
seems to have escaped.

Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index fe122e6099ae..8160749cd9ba 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1129,7 +1129,7 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
 	mutex_lock(&orig->device_list_mutex);
 	fs_devices->total_devices = orig->total_devices;
 
-	/* We have held the volume lock, it is safe to get the devices. */
+	/* We have held the device_list_mutex, it is safe to get the devices. */
 	list_for_each_entry(orig_dev, &orig->devices, dev_list) {
 		struct rcu_string *name;
 
-- 
1.8.3.1




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