1408 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1443 		*lockstart = start_pos;  in lock_and_cleanup_extent_if_need()
1475 	u64 lockstart, lockend;  in check_can_nocow()  local
1485 	lockstart = round_down(pos, fs_info->sectorsize);  in check_can_nocow()
1488 	num_bytes = lockend - lockstart + 1;  in check_can_nocow()
1493 		if (!try_lock_extent(&inode->io_tree, lockstart, lockend))  in check_can_nocow()
1496 		ordered = btrfs_lookup_ordered_range(inode, lockstart,  in check_can_nocow()
1504 		btrfs_lock_and_flush_ordered_range(inode, lockstart,  in check_can_nocow()
1508 	ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,  in check_can_nocow()
1516 				     num_bytes - pos + lockstart);  in check_can_nocow()
1519 	unlock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1570 	u64 lockstart;  in btrfs_buffered_write()  local
1675 				num_pages, pos, write_bytes, &lockstart,  in btrfs_buffered_write()
1746 					     lockstart, lockend, &cached_state);  in btrfs_buffered_write()
1761 			lockstart = round_down(pos,  in btrfs_buffered_write()
1766 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_buffered_write()
2476 				       const u64 lockstart,  in btrfs_punch_hole_lock_range()  argument
2484 		truncate_pagecache_range(inode, lockstart, lockend);  in btrfs_punch_hole_lock_range()
2486 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
2497 		    (ordered->file_offset + ordered->num_bytes <= lockstart ||  in btrfs_punch_hole_lock_range()
2500 					     lockstart, lockend)) {  in btrfs_punch_hole_lock_range()
2507 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_punch_hole_lock_range()
2509 		ret = btrfs_wait_ordered_range(inode, lockstart,  in btrfs_punch_hole_lock_range()
2510 					       lockend - lockstart + 1);  in btrfs_punch_hole_lock_range()
2844 	u64 lockstart;  in btrfs_punch_hole()  local
2874 	lockstart = round_up(offset, btrfs_inode_sectorsize(BTRFS_I(inode)));  in btrfs_punch_hole()
2913 		len = offset + len - lockstart;  in btrfs_punch_hole()
2914 		offset = lockstart;  in btrfs_punch_hole()
2922 		lockstart = offset;  in btrfs_punch_hole()
2945 	if (lockend < lockstart) {  in btrfs_punch_hole()
2950 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_punch_hole()
2961 	ret = btrfs_replace_file_extents(inode, path, lockstart, lockend, NULL,  in btrfs_punch_hole()
2975 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
3237 		const u64 lockstart = alloc_start;  in btrfs_zero_range()  local
3246 		ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_zero_range()
3253 			unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3261 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3495 	u64 lockstart;  in find_desired_extent()  local
3510 	lockstart = round_down(start, fs_info->sectorsize);  in find_desired_extent()
3512 	if (lockend <= lockstart)  in find_desired_extent()
3513 		lockend = lockstart + fs_info->sectorsize;  in find_desired_extent()
3515 	len = lockend - lockstart + 1;  in find_desired_extent()
3517 	lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()
3543 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()