Commit d7901554 authored Mar 04, 2013 by Carey Underwood Committed by Chris Mason Sep 01, 2013

Btrfs: Release uuid_mutex for shrink during device delete



Device scanning waits on the uuid_mutex, which can result in a very long
wait if dev delete is shrinking the device.

Signed-off-by: Carey Underwood <cwillu@cwillu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

parent b2aaaa3b

fs/btrfs/volumes.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1562,7 +1562,9 @@ int btrfs_rm_device(struct btrfs_root root, char device_path)
		clear_super = true;
		}

		mutex_unlock(&uuid_mutex);
		ret = btrfs_shrink_device(device, 0);
		mutex_lock(&uuid_mutex);
		if (ret)
		goto error_undo;