From: Jeff Liu <jeff.liu@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Ben Myers <bpm@sgi.com>, Mark Tinguely <tinguely@sgi.com>,
Chris Mason <chris.mason@oracle.com>,
xfs@oss.sgi.com
Subject: Re: Introduce SEEK_DATA/SEEK_HOLE to XFS V5
Date: Fri, 13 Jan 2012 10:14:57 +0800 [thread overview]
Message-ID: <4F0F93A1.7040307@oracle.com> (raw)
In-Reply-To: <20120112163943.GA22223@infradead.org>
On 01/13/2012 12:39 AM, Christoph Hellwig wrote:
> On Wed, Jan 11, 2012 at 03:07:29PM -0600, Mark Tinguely wrote:
>>
>> xfs_bmapi_read() returns the br_state == XFS_EXT_NORM for a hole.
>> There are a couple places that a hole can trigger a data test.
>> BTW, I could not generate a large enough hole that xfs_bmapi_read()
>> would return as more than one hole entry, so I will ignore those
>> situations and just list the couple places that a hole may be match
>> a data rule:
>
> We've been through this before, you need to overflow the 32-bit extent
> length counter to get there. Jeff, did you manage to create a test
> case for that particular scenario?
Ok, I'll try it out.
Thanks,
-Jeff
>
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next prev parent reply other threads:[~2012-01-13 2:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-06 13:28 Introduce SEEK_DATA/SEEK_HOLE to XFS V5 Jeff Liu
2012-01-10 17:18 ` Ben Myers
2012-01-11 5:45 ` Jeff Liu
2012-01-11 21:06 ` Mark Tinguely
2012-01-12 16:22 ` Christoph Hellwig
2012-01-12 17:50 ` Ben Myers
2012-01-11 21:07 ` Mark Tinguely
2012-01-12 13:29 ` Jeff Liu
2012-01-12 16:39 ` Christoph Hellwig
2012-01-13 2:14 ` Jeff Liu [this message]
2012-01-11 21:12 ` Mark Tinguely
2012-01-12 13:52 ` Jeff Liu
2012-01-12 15:01 ` Mark Tinguely
2012-01-12 16:41 ` Christoph Hellwig
2012-01-12 17:39 ` Ben Myers
2012-01-13 2:41 ` Jeff Liu
2012-01-11 15:43 ` Ben Myers
2012-01-11 22:28 ` Ben Myers
2012-01-12 13:21 ` Jeff Liu
2012-01-12 12:53 ` Jeff Liu
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