From: Christoph Hellwig <hch@infradead.org>
To: Jie Liu <jeff.liu@oracle.com>
Cc: Mark Tinguely <tinguely@sgi.com>, xfs@oss.sgi.com
Subject: Re: [PATCH v4] xfs: probe data buffer from page cache for unwritten extents
Date: Sun, 22 Jul 2012 00:57:03 -0400 [thread overview]
Message-ID: <20120722045703.GA17235@infradead.org> (raw)
In-Reply-To: <500A4B24.40908@oracle.com>
On Sat, Jul 21, 2012 at 02:24:36PM +0800, Jie Liu wrote:
> >Output:
> >
> >HOLE/DATA at 512K 786432 / 528384 <- undiscovered hole here
> >HOLE/DATA at 516K 786432 / 528384 <- okay, data but we should
> > return next page as hole.
> >HOLE/DATA at 520K 532480 / 819200 <- hole is discovered because
> > there is no trailing data
> Oops! for xfs_seek_hole(), I should use min_t() to pre-claculate
> offset before searching page cache.
> Thanks for your prompt feedback. I'll do some extra tests and post
> the revised soon.
Yes, the above test cases should go into xfstests.
Thanks to both of you to spend all the effort on this feature.
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next prev parent reply other threads:[~2012-07-22 4:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-20 8:28 [PATCH v4] xfs: probe data buffer from page cache for unwritten extents Jeff Liu
2012-07-20 18:46 ` Mark Tinguely
2012-07-21 6:24 ` Jie Liu
2012-07-22 4:57 ` Christoph Hellwig [this message]
2012-07-22 5:29 ` Jie Liu
2012-07-22 6:28 ` Christoph Hellwig
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