1484 				u64 *lockstart, u64 *lockend,  in lock_and_cleanup_extent_if_need()  argument
1522 		*lockstart = start_pos;  in lock_and_cleanup_extent_if_need()
1554 	u64 lockstart, lockend;  in check_can_nocow()  local
1562 	lockstart = round_down(pos, fs_info->sectorsize);  in check_can_nocow()
1566 	btrfs_lock_and_flush_ordered_range(&inode->io_tree, inode, lockstart,  in check_can_nocow()
1569 	num_bytes = lockend - lockstart + 1;  in check_can_nocow()
1570 	ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,  in check_can_nocow()
1577 				     num_bytes - pos + lockstart);  in check_can_nocow()
1580 	unlock_extent(&inode->io_tree, lockstart, lockend);  in check_can_nocow()
1596 	u64 lockstart;  in btrfs_buffered_write()  local
1701 				num_pages, pos, write_bytes, &lockstart,  in btrfs_buffered_write()
1771 					     lockstart, lockend, &cached_state);  in btrfs_buffered_write()
1786 			lockstart = round_down(pos,  in btrfs_buffered_write()
1791 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_buffered_write()
2411 				       const u64 lockstart,  in btrfs_punch_hole_lock_range()  argument
2419 		truncate_pagecache_range(inode, lockstart, lockend);  in btrfs_punch_hole_lock_range()
2421 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
2431 		    (ordered->file_offset + ordered->len <= lockstart ||  in btrfs_punch_hole_lock_range()
2434 					     lockstart, lockend)) {  in btrfs_punch_hole_lock_range()
2441 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_punch_hole_lock_range()
2443 		ret = btrfs_wait_ordered_range(inode, lockstart,  in btrfs_punch_hole_lock_range()
2444 					       lockend - lockstart + 1);  in btrfs_punch_hole_lock_range()
2724 	u64 lockstart;  in btrfs_punch_hole()  local
2750 	lockstart = round_up(offset, btrfs_inode_sectorsize(inode));  in btrfs_punch_hole()
2789 		len = offset + len - lockstart;  in btrfs_punch_hole()
2790 		offset = lockstart;  in btrfs_punch_hole()
2798 		lockstart = offset;  in btrfs_punch_hole()
2821 	if (lockend < lockstart) {  in btrfs_punch_hole()
2826 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_punch_hole()
2837 	ret = btrfs_punch_hole_range(inode, path, lockstart, lockend, NULL,  in btrfs_punch_hole()
2851 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
3112 		const u64 lockstart = alloc_start;  in btrfs_zero_range()  local
3125 		ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,  in btrfs_zero_range()
3133 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3358 	u64 lockstart;  in find_desired_extent()  local
3373 	lockstart = round_down(start, fs_info->sectorsize);  in find_desired_extent()
3376 	if (lockend <= lockstart)  in find_desired_extent()
3377 		lockend = lockstart + fs_info->sectorsize;  in find_desired_extent()
3379 	len = lockend - lockstart + 1;  in find_desired_extent()
3381 	lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()
3413 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in find_desired_extent()