btrfs: sink gfp parameter to clear_extent_uptodate

There's only one callsite with GFP_NOFS.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ad7c6dd..f9efaec 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3084,7 +3084,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
 		else
 			start = ordered_extent->file_offset;
 		end = ordered_extent->file_offset + ordered_extent->len - 1;
-		clear_extent_uptodate(io_tree, start, end, NULL, GFP_NOFS);
+		clear_extent_uptodate(io_tree, start, end, NULL);
 
 		/* Drop the cache for the part of the extent we didn't write. */
 		btrfs_drop_extent_cache(BTRFS_I(inode), start, end, 0);