btrfs_add_ordered_extent_dio 7398 fs/btrfs/inode.c 	ret = btrfs_add_ordered_extent_dio(inode, start, block_start,
btrfs_add_ordered_extent_dio  165 fs/btrfs/ordered-data.h int btrfs_add_ordered_extent_dio(struct inode *inode, u64 file_offset,