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Re: [PATCH, RFC] xfs: batched discard support

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH, RFC] xfs: batched discard support
From: Mark Lord <liml@xxxxxx>
Date: Sat, 15 Aug 2009 22:19:21 -0400
Cc: xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, jens.axboe@xxxxxxxxxx
In-reply-to: <4A876255.10606@xxxxxx>
Organization: Real-Time Remedies Inc.
References: <20090816004705.GA7347@xxxxxxxxxxxxx> <4A876255.10606@xxxxxx>
User-agent: Thunderbird 2.0.0.22 (X11/20090608)
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..


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