fs/btrfs/subpage.c

142  * This is important for eb allocation, to prevent race with last eb freeing
232 	bool last;
254 	last = atomic_sub_and_test(cleared, &bfs->nr_locked);
256 	return last;
273  *   the last locked range.
312 	bool last = false;
333 	last = atomic_sub_and_test(cleared, &bfs->nr_locked);
335 	if (last)
407  * Return true if we're the last bits in the dirty_bitmap and clear the
421 	bool last = false;
426 		last = true;
428 	return last;
434 	bool last;
436 	last = btrfs_subpage_clear_and_test_dirty(fs_info, folio, start, len);
437 	if (last)
756 	bool last;
763 	last = btrfs_subpage_clear_and_test_dirty(eb->fs_info, folio, eb->start, eb->len);
764 	if (last) {