X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=fs%2Fbtrfs%2Fvolumes.c;h=1da162928d1a9b305ab36c2d99386afb2f060326;hb=18cadf9f370735512eb8254beab77e26297a0e33;hp=e034ad9e23b48b42826de6bed1a8f59d6e926a20;hpb=27db64f65f1be2f2ee741a1bf20d8d13d62c167f;p=linux-2.6-microblaze.git

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e034ad9e23b4..1da162928d1a 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1146,6 +1146,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 {
 	int ret;
 
+	mutex_lock(&uuid_mutex);
 	mutex_lock(&fs_devices->device_list_mutex);
 	if (fs_devices->opened) {
 		fs_devices->opened++;
@@ -1155,6 +1156,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 		ret = open_fs_devices(fs_devices, flags, holder);
 	}
 	mutex_unlock(&fs_devices->device_list_mutex);
+	mutex_unlock(&uuid_mutex);
 
 	return ret;
 }