From: Mark Lord <liml@rtr.ca>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
jens.axboe@oracle.com,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH, RFC] xfs: batched discard support
Date: Sun, 16 Aug 2009 10:26:03 -0400 [thread overview]
Message-ID: <4A8816FB.8070408@rtr.ca> (raw)
In-Reply-To: <20090816142331.GA4284@infradead.org>
Christoph Hellwig wrote:
> On Sun, Aug 16, 2009 at 09:59:32AM -0400, Mark Lord wrote:
>> Okay, I got Matthews patches updated onto 2.6.31, and fixed the incompatibilities
>> between those and the XFS TRIM patch (from Christoph), plus a sector_t printk issue.
>>
>> My apologies for attachments, but I am attaching the updated Christoph patch,
>> as well as my hacked-up forward-port of Matthew's patches.
>>
>> Not pretty, but they work. :)
>>
>> Now.. running Christoph's "xfs trim" on a 4.6GB mostly already-trimmed
>> XFS partition gave this for the first time around:
>
>> The problem is, it still issues TRIMs to the LLD one extent at a time.
>> Compare this with doing it all in a single TRIM command
>> with the wiper.sh script (filesystem unmounted):
>
> I could do a variant which issues a single TRIM, but that would require
> us to lock out all other allocations for the time the trim takes. I'll
> hack that up once I get some time.
..
Matthew's stuff will have to change to support that, too.
next prev parent reply other threads:[~2009-08-16 14:26 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-16 0:47 [PATCH, RFC] xfs: batched discard support Christoph Hellwig
2009-08-16 1:35 ` Mark Lord
2009-08-16 2:19 ` Mark Lord
2009-08-16 2:25 ` Christoph Hellwig
2009-08-16 2:49 ` Mark Lord
2009-08-16 3:25 ` Mark Lord
2009-08-16 13:00 ` Mark Lord
2009-08-16 13:53 ` Christoph Hellwig
2009-08-16 13:59 ` Mark Lord
2009-08-16 14:06 ` Mark Lord
2009-08-16 14:23 ` Christoph Hellwig
2009-08-16 14:26 ` Mark Lord [this message]
2009-08-19 20:39 ` Ingo Molnar
2009-08-20 1:05 ` Christoph Hellwig
2009-08-20 1:10 ` Jamie Lokier
2009-08-20 1:38 ` Douglas Gilbert
2009-08-20 1:38 ` Mark Lord
2009-08-21 12:46 ` Ingo Molnar
2009-08-20 1:39 ` Mark Lord
2009-08-20 13:48 ` Ric Wheeler
2009-08-20 14:38 ` Mark Lord
2009-08-20 14:42 ` Ric Wheeler
2009-08-20 17:19 ` Greg Freemyer
2009-08-20 14:42 ` James Bottomley
2009-08-20 15:43 ` Rolf Eike Beer
2009-08-20 17:00 ` Ric Wheeler
2009-08-20 14:58 ` Douglas Gilbert
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