btrfs: sink gfp parameter to set_extent_bits

All callers pass GFP_NOFS.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 4678f03..9d24375 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -745,7 +745,7 @@
 		 * sure we read the bad mirror.
 		 */
 		ret = set_extent_bits(&BTRFS_I(inode)->io_tree, offset, end,
-					EXTENT_DAMAGED, GFP_NOFS);
+					EXTENT_DAMAGED);
 		if (ret) {
 			/* set_extent_bits should give proper error */
 			WARN_ON(ret > 0);