1409 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1444 		*lockstart = start_pos;  in lock_and_cleanup_extent_if_need()
1476 	u64 lockstart, lockend;  in check_can_nocow()  local
1486 	lockstart = round_down(pos, fs_info->sectorsize);  in check_can_nocow()
1489 	num_bytes = lockend - lockstart + 1;  in check_can_nocow()
1494 		if (!try_lock_extent(&inode->io_tree, lockstart, lockend))  in check_can_nocow()
1497 		ordered = btrfs_lookup_ordered_range(inode, lockstart,  in check_can_nocow()
1505 		btrfs_lock_and_flush_ordered_range(inode, lockstart,  in check_can_nocow()
1509 	ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,  in check_can_nocow()
1517 				     num_bytes - pos + lockstart);  in check_can_nocow()
1520 	unlock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1571 	u64 lockstart;  in btrfs_buffered_write()  local
1676 				num_pages, pos, write_bytes, &lockstart,  in btrfs_buffered_write()
1747 					     lockstart, lockend, &cached_state);  in btrfs_buffered_write()
1762 			lockstart = round_down(pos,  in btrfs_buffered_write()
1767 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_buffered_write()
2470 				       const u64 lockstart,  in btrfs_punch_hole_lock_range()  argument
2478 		truncate_pagecache_range(inode, lockstart, lockend);  in btrfs_punch_hole_lock_range()
2480 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
2491 		    (ordered->file_offset + ordered->num_bytes <= lockstart ||  in btrfs_punch_hole_lock_range()
2494 					     lockstart, lockend)) {  in btrfs_punch_hole_lock_range()
2501 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_punch_hole_lock_range()
2503 		ret = btrfs_wait_ordered_range(inode, lockstart,  in btrfs_punch_hole_lock_range()
2504 					       lockend - lockstart + 1);  in btrfs_punch_hole_lock_range()
2835 	u64 lockstart;  in btrfs_punch_hole()  local
2861 	lockstart = round_up(offset, btrfs_inode_sectorsize(BTRFS_I(inode)));  in btrfs_punch_hole()
2900 		len = offset + len - lockstart;  in btrfs_punch_hole()
2901 		offset = lockstart;  in btrfs_punch_hole()
2909 		lockstart = offset;  in btrfs_punch_hole()
2932 	if (lockend < lockstart) {  in btrfs_punch_hole()
2937 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_punch_hole()
2948 	ret = btrfs_replace_file_extents(inode, path, lockstart, lockend, NULL,  in btrfs_punch_hole()
2962 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
3224 		const u64 lockstart = alloc_start;  in btrfs_zero_range()  local
3233 		ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_zero_range()
3245 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3475 	u64 lockstart;  in find_desired_extent()  local
3490 	lockstart = round_down(start, fs_info->sectorsize);  in find_desired_extent()
3492 	if (lockend <= lockstart)  in find_desired_extent()
3493 		lockend = lockstart + fs_info->sectorsize;  in find_desired_extent()
3495 	len = lockend - lockstart + 1;  in find_desired_extent()
3497 	lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()
3523 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()