btrfs: sink gfp parameter to clear_extent_dirty

Callers pass GFP_NOFS. No need to pass the flags around.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index b7c258c..9e987ee 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -279,11 +279,11 @@
 }
 
 static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,
-		u64 end, gfp_t mask)
+		u64 end)
 {
 	return clear_extent_bit(tree, start, end,
 				EXTENT_DIRTY | EXTENT_DELALLOC |
-				EXTENT_DO_ACCOUNTING, 0, 0, NULL, mask);
+				EXTENT_DO_ACCOUNTING, 0, 0, NULL, GFP_NOFS);
 }
 
 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,