pin_down_extent  2604 fs/btrfs/extent-tree.c 	pin_down_extent(cache, bytenr, num_bytes, reserved);
pin_down_extent  2631 fs/btrfs/extent-tree.c 	pin_down_extent(cache, bytenr, num_bytes, 0);
pin_down_extent  3278 fs/btrfs/extent-tree.c 			pin_down_extent(cache, buf->start, buf->len, 1);
pin_down_extent  4164 fs/btrfs/extent-tree.c 		pin_down_extent(cache, start, len, 1);