1383 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1421 		*lockstart = start_pos;  in lock_and_cleanup_extent_if_need()
1441 	u64 lockstart, lockend;  in check_can_nocow()  local
1449 	lockstart = round_down(pos, root->sectorsize);  in check_can_nocow()
1453 		lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);  in check_can_nocow()
1454 		ordered = btrfs_lookup_ordered_range(inode, lockstart,  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()
1465 	ret = can_nocow_extent(inode, lockstart, &num_bytes, NULL, NULL, NULL);  in check_can_nocow()
1471 				     num_bytes - pos + lockstart);  in check_can_nocow()
1474 	unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);  in check_can_nocow()
1488 	u64 lockstart;  in __btrfs_buffered_write()  local
1580 						      pos, &lockstart, &lockend,  in __btrfs_buffered_write()
1646 					     lockstart, lockend, &cached_state,  in __btrfs_buffered_write()
1658 			lockstart = round_down(pos, root->sectorsize);  in __btrfs_buffered_write()
1659 			lockend = lockstart +  in __btrfs_buffered_write()
1662 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,  in __btrfs_buffered_write()
2287 	u64 lockstart;  in btrfs_punch_hole()  local
2319 	lockstart = round_up(offset, BTRFS_I(inode)->root->sectorsize);  in btrfs_punch_hole()
2359 		len = offset + len - lockstart;  in btrfs_punch_hole()
2360 		offset = lockstart;  in btrfs_punch_hole()
2368 		lockstart = offset;  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()
2410 		    (ordered->file_offset + ordered->len <= lockstart ||  in btrfs_punch_hole()
2412 		     !btrfs_page_exists_in_range(inode, lockstart, lockend)) {  in btrfs_punch_hole()
2419 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_punch_hole()
2421 		ret = btrfs_wait_ordered_range(inode, lockstart,  in btrfs_punch_hole()
2422 					       lockend - lockstart + 1);  in btrfs_punch_hole()
2460 	cur_offset = lockstart;  in btrfs_punch_hole()
2560 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
2833 	u64 lockstart;  in find_desired_extent()  local
2848 	lockstart = round_down(start, root->sectorsize);  in find_desired_extent()
2850 	if (lockend <= lockstart)  in find_desired_extent()
2851 		lockend = lockstart + root->sectorsize;  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()