From: Theodore Tso <tytso@MIT.EDU>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Matthew Wilcox <matthew@wil.cx>, Tejun Heo <teheo@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Nick Piggin <npiggin@suse.de>, Jens Axboe <jens.axboe@oracle.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
Jeff Garzik <jeff@garzik.org>, Dongjun Shin <djshin90@gmail.com>,
chris.mason@oracle.com
Subject: Re: about TRIM/DISCARD support and barriers
Date: Sun, 23 Nov 2008 22:01:11 -0500 [thread overview]
Message-ID: <20081124030111.GC2163@mit.edu> (raw)
In-Reply-To: <1227447584.4901.405.camel@macbook.infradead.org>
On Sun, Nov 23, 2008 at 01:39:44PM +0000, David Woodhouse wrote:
> On Sun, 2008-11-23 at 05:35 -0700, Matthew Wilcox wrote:
> > The current VFAT filesystem implements DISCARD.
>
> As does btrfs. I think I posted ext2 patches a little while ago too? Or
> someone else did. Did they get merged?
Looks like they didn't get merged. I thought akpm was going to merge
them. Ext4 has discard support though. It doesn't port easily to
ext3 since it ext4 has a new block allocator.
- Ted
next prev parent reply other threads:[~2008-11-24 3:06 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-23 4:46 about TRIM/DISCARD support and barriers Tejun Heo
2008-11-23 4:46 ` Tejun Heo
2008-11-23 7:11 ` Tejun Heo
2008-11-23 7:11 ` Tejun Heo
2008-11-23 7:57 ` Tejun Heo
2008-11-23 7:57 ` Tejun Heo
2008-11-24 5:40 ` Dongjun Shin
2008-11-24 5:45 ` Tejun Heo
2008-11-24 5:57 ` James Bottomley
2008-11-23 12:35 ` Matthew Wilcox
2008-11-23 13:39 ` David Woodhouse
2008-11-23 22:52 ` James Bottomley
2008-11-24 9:03 ` David Woodhouse
2008-11-24 18:42 ` James Bottomley
2008-11-24 18:52 ` David Woodhouse
2008-11-24 18:57 ` Jens Axboe
2008-11-24 19:08 ` James Bottomley
2008-11-25 9:16 ` Jens Axboe
2008-11-24 19:09 ` James Bottomley
2008-11-25 3:28 ` Matthew Wilcox
2008-11-25 9:15 ` Jens Axboe
2008-11-24 3:01 ` Theodore Tso [this message]
2008-11-28 13:21 ` Raz Ben-Yehuda
2008-11-29 22:57 ` Tejun Heo
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