1466 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1507 		*lockstart = start_pos;  in lock_and_cleanup_extent_if_need()
1528 	u64 lockstart, lockend;  in check_can_nocow()  local
1536 	lockstart = round_down(pos, fs_info->sectorsize);  in check_can_nocow()
1541 		lock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1542 		ordered = btrfs_lookup_ordered_range(inode, lockstart,  in check_can_nocow()
1543 						     lockend - lockstart + 1);  in check_can_nocow()
1547 		unlock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1552 	num_bytes = lockend - lockstart + 1;  in check_can_nocow()
1553 	ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,  in check_can_nocow()
1560 				     num_bytes - pos + lockstart);  in check_can_nocow()
1563 	unlock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1580 	u64 lockstart;  in btrfs_buffered_write()  local
1684 				num_pages, pos, write_bytes, &lockstart,  in btrfs_buffered_write()
1746 					     lockstart, lockend, &cached_state);  in btrfs_buffered_write()
1759 			lockstart = round_down(pos,  in btrfs_buffered_write()
1764 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_buffered_write()
2357 				       const u64 lockstart,  in btrfs_punch_hole_lock_range()  argument
2365 		truncate_pagecache_range(inode, lockstart, lockend);  in btrfs_punch_hole_lock_range()
2367 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
2377 		    (ordered->file_offset + ordered->len <= lockstart ||  in btrfs_punch_hole_lock_range()
2380 					     lockstart, lockend)) {  in btrfs_punch_hole_lock_range()
2387 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_punch_hole_lock_range()
2389 		ret = btrfs_wait_ordered_range(inode, lockstart,  in btrfs_punch_hole_lock_range()
2390 					       lockend - lockstart + 1);  in btrfs_punch_hole_lock_range()
2405 	u64 lockstart;  in btrfs_punch_hole()  local
2437 	lockstart = round_up(offset, btrfs_inode_sectorsize(inode));  in btrfs_punch_hole()
2476 		len = offset + len - lockstart;  in btrfs_punch_hole()
2477 		offset = lockstart;  in btrfs_punch_hole()
2485 		lockstart = offset;  in btrfs_punch_hole()
2508 	if (lockend < lockstart) {  in btrfs_punch_hole()
2513 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_punch_hole()
2551 	cur_offset = lockstart;  in btrfs_punch_hole()
2661 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
2915 		const u64 lockstart = alloc_start;  in btrfs_zero_range()  local
2928 		ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_zero_range()
2936 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3160 	u64 lockstart;  in find_desired_extent()  local
3175 	lockstart = round_down(start, fs_info->sectorsize);  in find_desired_extent()
3178 	if (lockend <= lockstart)  in find_desired_extent()
3179 		lockend = lockstart + fs_info->sectorsize;  in find_desired_extent()
3181 	len = lockend - lockstart + 1;  in find_desired_extent()
3183 	lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()
3216 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()