btrfs: sink gfp parameter to set_extent_new

Single caller passes GFP_NOFS.
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/extent-tree.c

@@ -7923,7 +7923,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 					buf->start + buf->len - 1, GFP_NOFS);
 		else
 			set_extent_new(&root->dirty_log_pages, buf->start,
-					buf->start + buf->len - 1, GFP_NOFS);
+					buf->start + buf->len - 1);
 	} else {
 		buf->log_index = -1;
 		set_extent_dirty(&trans->transaction->dirty_pages, buf->start,

fs/btrfs/extent_io.h

@@ -307,9 +307,10 @@ static inline int set_extent_defrag(struct extent_io_tree *tree, u64 start,
 }
 
 static inline int set_extent_new(struct extent_io_tree *tree, u64 start,
-		u64 end, gfp_t mask)
+		u64 end)
 {
-	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, NULL, mask);
+	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, NULL,
+			GFP_NOFS);
 }
 
 static inline int set_extent_uptodate(struct extent_io_tree *tree, u64 start,