474 	clear_extent_bit(&inode->io_tree, start_pos, end_of_last_block,  in btrfs_dirty_pages()
1311 			if (!try_lock_extent(&inode->io_tree, start_pos, last_pos)) {  in lock_and_cleanup_extent_if_need()
1321 			lock_extent(&inode->io_tree, start_pos, last_pos, cached_state);  in lock_and_cleanup_extent_if_need()
1329 			unlock_extent(&inode->io_tree, start_pos, last_pos,  in lock_and_cleanup_extent_if_need()
1411 	unlock_extent(&inode->io_tree, lockstart, lockend, NULL);  in btrfs_check_nocow_lock()
1705 			unlock_extent(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_buffered_write()
2520 		lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
2536 		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole_lock_range()
3036 	unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_punch_hole()
3310 			unlock_extent(&BTRFS_I(inode)->io_tree, lockstart,  in btrfs_zero_range()
3318 		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,  in btrfs_zero_range()
3430 	lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,  in btrfs_fallocate()
3520 	unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,  in btrfs_fallocate()
3549 	delalloc_len = count_range_bits(&inode->io_tree, delalloc_start_ret, end,  in find_delalloc_subrange()
3826 	lock_extent(&inode->io_tree, lockstart, lockend, &cached_state);  in find_desired_extent()
3969 	unlock_extent(&inode->io_tree, lockstart, lockend, &cached_state);  in find_desired_extent()