1383 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1422 		*lockend = last_pos;  in lock_and_cleanup_extent_if_need()
1441 	u64 lockstart, lockend;  in check_can_nocow()  local
1450 	lockend = round_up(pos + *write_bytes, root->sectorsize) - 1;  in check_can_nocow()
1453 		lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);  in check_can_nocow()
1455 						     lockend - lockstart + 1);  in check_can_nocow()
1459 		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);  in check_can_nocow()
1464 	num_bytes = lockend - lockstart + 1;  in check_can_nocow()
1474 	unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);  in check_can_nocow()
1489 	u64 lockend;  in __btrfs_buffered_write()  local
1580 						      pos, &lockstart, &lockend,  in __btrfs_buffered_write()
1646 					     lockstart, lockend, &cached_state,  in __btrfs_buffered_write()
1659 			lockend = lockstart +  in __btrfs_buffered_write()
1663 				       lockend, EXTENT_NORESERVE, NULL,  in __btrfs_buffered_write()
2288 	u64 lockend;  in btrfs_punch_hole()  local
2320 	lockend = round_down(offset + len,  in btrfs_punch_hole()
2372 	tail_start = lockend + 1;  in btrfs_punch_hole()
2390 	if (lockend < lockstart) {  in btrfs_punch_hole()
2398 		truncate_pagecache_range(inode, lockstart, lockend);  in btrfs_punch_hole()
2400 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
2402 		ordered = btrfs_lookup_first_ordered_extent(inode, lockend);  in btrfs_punch_hole()
2411 		     ordered->file_offset > lockend)) &&  in btrfs_punch_hole()
2412 		     !btrfs_page_exists_in_range(inode, lockstart, lockend)) {  in btrfs_punch_hole()
2420 				     lockend, &cached_state, GFP_NOFS);  in btrfs_punch_hole()
2422 					       lockend - lockstart + 1);  in btrfs_punch_hole()
2461 	len = lockend - cur_offset;  in btrfs_punch_hole()
2462 	while (cur_offset < lockend) {  in btrfs_punch_hole()
2464 					   cur_offset, lockend + 1,  in btrfs_punch_hole()
2529 	if (drop_end <= lockend)  in btrfs_punch_hole()
2530 		drop_end = lockend + 1;  in btrfs_punch_hole()
2560 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
2834 	u64 lockend;  in find_desired_extent()  local
2849 	lockend = round_up(i_size_read(inode), root->sectorsize);  in find_desired_extent()
2850 	if (lockend <= lockstart)  in find_desired_extent()
2851 		lockend = lockstart + root->sectorsize;  in find_desired_extent()
2852 	lockend--;  in find_desired_extent()
2853 	len = lockend - lockstart + 1;  in find_desired_extent()
2855 	lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend, 0,  in find_desired_extent()
2887 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()