From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Zhi Yong Wu <zwu.kernel@gmail.com>, xfs@oss.sgi.com
Subject: Re: ***** SUSPECTED SPAM ***** [RFD 11/17] xfs: factor xfs_create to prepare for O_TMPFILE
Date: Wed, 6 Nov 2013 03:21:45 -0800 [thread overview]
Message-ID: <20131106112145.GB24805@infradead.org> (raw)
In-Reply-To: <1376313607-28133-12-git-send-email-david@fromorbit.com>
On Mon, Aug 12, 2013 at 11:20:01PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@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.
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next prev parent reply other threads:[~2013-11-06 11:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 13:19 ***** SUSPECTED SPAM ***** [RFD 00/17] xfs: inode management development direction Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 01/17] xfs: inode allocation tickets Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 02/17] xfs: separate inode chunk allocation from free inode allocation Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 03/17] xfs: move inode chunk allocation into a workqueue Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 04/17] xfs: optimise background inode chunk allocation Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 05/17] xfs: introduce a free inode allocation btree Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 06/17] xfs: partial inode chunk allocation Dave Chinner
2013-08-13 22:07 ` Brian Foster
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 07/17] xfs: separate inode chunk freeing from inode freeing Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 08/17] xfs: inode chunk freeing in the background Dave Chinner
2013-08-12 13:19 ` ***** SUSPECTED SPAM ***** [RFD 09/17] xfs: optimise inode chunk freeing Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 10/17] xfs: swap extents operations for CRC filesystems Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 11/17] xfs: factor xfs_create to prepare for O_TMPFILE Dave Chinner
2013-08-20 8:16 ` Zhi Yong Wu
2013-11-06 11:20 ` Christoph Hellwig
2013-11-06 11:21 ` Christoph Hellwig [this message]
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 12/17] xfs: add tmpfile methods Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 13/17] xfs: allow linkat() on O_TMPFILE files Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 14/17] xfs: separate inode freeing from inactivation Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 15/17] xfs: introduce a method vector for unlinked list operations Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 16/17] xfs: add in-core unlinked list for v3 inodes Dave Chinner
2013-08-12 13:20 ` ***** SUSPECTED SPAM ***** [RFD 17/17] xfs: log unlinked list modifications in the incore v3 inode Dave Chinner
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