From: Jens Axboe <axboe@suse.de>
To: Anders Gustafsson <andersg@0x63.nu>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.6-mm5
Date: Wed, 26 May 2004 15:03:20 +0200 [thread overview]
Message-ID: <20040526130319.GR5322@suse.de> (raw)
In-Reply-To: <20040526125914.GB2629@chernushka>
On Wed, May 26 2004, Anders Gustafsson wrote:
> On Wed, May 26, 2004 at 02:49:44PM +0200, Jens Axboe wrote:
> > But they need to be bisabled, since -o barrier doesn't work on SCSI yet.
> > Only non-data tagged flushes are supported, those from
> > blkdev_issue_flush().
>
> :(
>
> Is the problem in the scsi drivers or at a higher level? Would really
> like to have them unbisabled, got a huge speed improvement in a
> logging-application with barriers when tested on IDE.
The error handling needs some work to safely enbable it on SCSI. Will
happen soonish. Additionally, low level drivers need to be updated. This
last step should not be too bad, though.
--
Jens Axboe
next prev parent reply other threads:[~2004-05-26 13:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-22 8:36 2.6.6-mm5 Andrew Morton
2004-05-22 9:09 ` 2.6.6-mm5 Jeff Garzik
2004-05-22 9:22 ` 2.6.6-mm5 hch
2004-05-22 9:26 ` 2.6.6-mm5 Andrew Morton
2004-05-22 11:51 ` 2.6.6-mm5 R. J. Wysocki
2004-05-22 9:26 ` 2.6.6-mm5 hch
2004-05-22 9:32 ` 2.6.6-mm5 Andrew Morton
2004-05-22 9:41 ` 2.6.6-mm5 hch
2004-05-22 19:03 ` 2.6.6-mm5 Brian King
2004-05-22 9:38 ` 2.6.6-mm5 hch
2004-05-22 9:44 ` 2.6.6-mm5 Jens Axboe
2004-05-22 9:46 ` 2.6.6-mm5 Felipe Alfaro Solana
2004-05-23 15:51 ` 2.6.6-mm5 James Morris
2004-05-22 11:59 ` 2.6.6-mm5 Matthias Andree
2004-05-22 12:19 ` [patch] 2.6.6-mm5: JFFS2_FS_NAND=y compile error Adrian Bunk
2004-05-23 1:01 ` 2.6.6-mm5 Eric W. Biederman
2004-05-23 1:08 ` 2.6.6-mm5 Andrew Morton
2004-05-23 1:15 ` 2.6.6-mm5 Roland Dreier
2004-05-24 16:17 ` 2.6.6-mm5 Matt Mackall
2004-05-24 17:03 ` 2.6.6-mm5 Eric W. Biederman
2004-05-24 17:43 ` 2.6.6-mm5 Roland Dreier
2004-05-25 7:25 ` 2.6.6-mm5 Eric W. Biederman
2004-05-23 2:45 ` 2.6.6-mm5 Eric W. Biederman
2004-05-24 22:11 ` 2.6.6-mm5 (compile stats) John Cherry
2004-05-25 13:53 ` 2.6.6-mm5 Pavel Machek
2004-05-26 12:41 ` 2.6.6-mm5 Anders Gustafsson
2004-05-26 12:49 ` 2.6.6-mm5 Jens Axboe
2004-05-26 12:59 ` 2.6.6-mm5 Anders Gustafsson
2004-05-26 13:03 ` Jens Axboe [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-22 10:27 2.6.6-mm5 Oleg Nesterov
2004-05-22 18:02 2.6.6-mm5 Adam Radford
[not found] <1YAd2-6Th-13@gated-at.bofh.it>
[not found] ` <1YPF4-2hJ-11@gated-at.bofh.it>
[not found] ` <1YPOI-2nq-1@gated-at.bofh.it>
[not found] ` <1YRdQ-3pu-5@gated-at.bofh.it>
2004-05-23 11:39 ` 2.6.6-mm5 Andi Kleen
2004-05-23 21:32 ` 2.6.6-mm5 Eric W. Biederman
2004-05-24 0:02 ` 2.6.6-mm5 Eric W. Biederman
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