***** SUSPECTED SPAM ***** [RFD 11/17] xfs: factor xfs_create to prepare for O_TMPFILE

[Christoph Hellwig]

On Mon, Aug 12, 2013 at 11:20:01PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> O_TMPFILE support requires allocating an inode that is not attached to the
> a current namespace - it's anonymous. The current inode allocation code runs
> through xfs_create() which requires a parent inode and a name to be passed to
> it. for O_TMPFILE, we do not have a parent inode or a name so we cannot use
> the same calling conventions as xfs_create() to allocate a inode.

Btw, O_TMPFILE does get a path passed, which the existing
implementations treat as an invisible parent.  I would suggest we follow
that path for our allocation decisions for now.