Btrfs: use unlocked_ioctl

No reason to grab the BKL before calling into the btrfs ioctl code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c26ca54..ca7e5d4 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -732,10 +732,10 @@
 	.write		= btrfs_file_write,
 	.mmap		= btrfs_file_mmap,
 	.open		= generic_file_open,
-	.ioctl		= btrfs_ioctl,
 	.fsync		= btrfs_sync_file,
+	.unlocked_ioctl	= btrfs_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl	= btrfs_compat_ioctl,
+	.compat_ioctl	= btrfs_ioctl,
 #endif
 };