-int set_extent_bits(struct extent_io_tree *tree, u64 start,
- u64 end, int bits, gfp_t mask);
-int clear_extent_bits(struct extent_io_tree *tree, u64 start,
- u64 end, int bits, gfp_t mask);
+int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, int bits);
+int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, int bits);