247 	const int nbits = len >> fs_info->sectorsize_bits;  in btrfs_subpage_start_reader()  local
251 	atomic_add(nbits, &subpage->readers);  in btrfs_subpage_start_reader()
258 	const int nbits = len >> fs_info->sectorsize_bits;  in btrfs_subpage_end_reader()  local
264 	ASSERT(atomic_read(&subpage->readers) >= nbits);  in btrfs_subpage_end_reader()
265 	last = atomic_sub_and_test(nbits, &subpage->readers);  in btrfs_subpage_end_reader()
300 	const int nbits = (len >> fs_info->sectorsize_bits);  in btrfs_subpage_start_writer()  local
306 	ret = atomic_add_return(nbits, &subpage->writers);  in btrfs_subpage_start_writer()
307 	ASSERT(ret == nbits);  in btrfs_subpage_start_writer()
314 	const int nbits = (len >> fs_info->sectorsize_bits);  in btrfs_subpage_end_and_test_writer()  local
328 	ASSERT(atomic_read(&subpage->writers) >= nbits);  in btrfs_subpage_end_and_test_writer()
329 	return atomic_sub_and_test(nbits, &subpage->writers);  in btrfs_subpage_end_and_test_writer()
370 				      unsigned int nbits)  in bitmap_test_range_all_set()  argument
374 	found_zero = find_next_zero_bit(addr, start + nbits, start);  in bitmap_test_range_all_set()
375 	if (found_zero == start + nbits)  in bitmap_test_range_all_set()
381 				       unsigned int nbits)  in bitmap_test_range_all_zero()  argument
385 	found_set = find_next_bit(addr, start + nbits, start);  in bitmap_test_range_all_zero()
386 	if (found_set == start + nbits)  in bitmap_test_range_all_zero()