From: Dave Chinner <david@fromorbit.com>
To: Felix Blyakher <felixb@sgi.com>
Cc: Peter Niemayer <niemayer@isg.de>, xfs@oss.sgi.com
Subject: Re: XFS support for TRIM / blkdev_issue_discard?
Date: Sun, 19 Apr 2009 18:19:27 +1000 [thread overview]
Message-ID: <20090419081927.GE16929@discord.disaster> (raw)
In-Reply-To: <BB5058FD-E69F-4254-9548-82CD634C7FD6@sgi.com>
On Tue, Apr 14, 2009 at 01:32:35PM -0500, Felix Blyakher wrote:
>
> On Apr 14, 2009, at 9:44 AM, Peter Niemayer wrote:
>
>> Dear Felix Blyakher,
>
> Hi Peter,
>
>> do you know whether there are plans to support the ATA TRIM command /
>> blkdev_issue_discard() call in XFS for Linux anytime soon?
>
> This topic was indeed brought up in xfs discussions.
> Though, we don't have any definite plans on supporting it yet.
I did some initial work on tracking extents being freed, but then
the TRIM request morphed into a "tell the largest free space around
the area just freed" and that is much harder to do than simply to
issue a "we just freed this bit" command.
Cheers,
Dave.
--
Dave Chinner
dgc@evostor.com
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next prev parent reply other threads:[~2009-04-19 8:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-31 5:30 [GIT PULL] XFS update for 2.6.30 Felix Blyakher
2009-04-02 16:26 ` Felix Blyakher
2009-04-03 16:52 ` Linus Torvalds
2009-04-03 17:02 ` Linus Torvalds
2009-04-03 17:41 ` Felix Blyakher
2009-04-04 1:19 ` david
2009-04-04 1:54 ` Felix Blyakher
2009-04-14 14:44 ` XFS support for TRIM / blkdev_issue_discard? Peter Niemayer
2009-04-14 18:32 ` Felix Blyakher
2009-04-15 9:43 ` Peter Niemayer
2009-04-15 11:58 ` Peter Niemayer
2009-04-17 16:09 ` Peter Niemayer
2009-04-17 16:50 ` Eric Sandeen
2009-04-19 8:19 ` Dave Chinner [this message]
2009-04-19 15:51 ` Eric Sandeen
2009-04-20 18:45 ` Peter Niemayer
2009-04-20 19:11 ` Martin K. Petersen
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