[PATCH 3/5] xfs: add xfs_create_tmpfile() for O_TMPFILE support

[Christoph Hellwig]

> +	error = xfs_dir_ialloc(&tp, NULL, mode, 0, rdev,

please pass the parent inode pointer here.

> +				XFS_PROJID_DEFAULT, resblks > 0,

and pass the project id that you inherited from the parent here.