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Date: Sat, 15 Aug 2009 22:49:40 -0400
From: Mark Lord <liml@rtr.ca>
MIME-Version: 1.0
Subject: Re: [PATCH, RFC] xfs: batched discard support
References: <20090816004705.GA7347@infradead.org> <4A876255.10606@rtr.ca>
	<4A876CA9.20906@rtr.ca> <20090816022500.GA12392@infradead.org>
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To: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, jens.axboe@oracle.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, xfs@oss.sgi.com

Christoph Hellwig wrote:
> On Sat, Aug 15, 2009 at 10:19:21PM -0400, Mark Lord wrote:
>> Mark Lord wrote:
>>> Christoph Hellwig wrote:
>> ..
>>>> Mark, any chance to try it?  Just create an XFS filesystem, age it a
>>>> bit and then call the attached little trim.c program on the mountmoint
>>>> (or any file inside the filesystem for that matter)
>>> ..
>>>
>>> Looking at it now.  Thanks, Christoph!
>> ..
>>
>> Fails to work on 64-bit kernel w/ 32-bit userspace (no compat ioctl).
>> Rebuilding with 32-bit kernel now..
> 
> The actual ioctl is compatible, just add the
> 
> 	case XFS_IOC_TRIM:
> 		return xfs_ioc_trim(mp, arg);
> 
> to xfs_file_compat_ioctl().  I'll add this to the next spin of the patch.
..

Peachy.  Rebuilding again now..

Don't wait up for this .. I'll finish it on Sunday.  Bedtime.  :)

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