linux-kernel - Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070531011127.GO86004887@sgi.com>
Date:	Thu, 31 May 2007 11:11:27 +1000
From:	David Chinner <dgc@....com>
To:	device-mapper development <dm-devel@...hat.com>,
	David Chinner <dgc@....com>, Tejun Heo <htejun@...il.com>,
	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-fsdevel@...r.kernel.org,
	Andreas Dilger <adilger@...sterfs.com>
Subject: Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

On Thu, May 31, 2007 at 02:07:39AM +0100, Alasdair G Kergon wrote:
> On Thu, May 31, 2007 at 10:46:04AM +1000, Neil Brown wrote:
> > If a filesystem cares, it could 'ask' as suggested above.
> > What would be a good interface for asking?
> 
> XFS already tests:
>   bd_disk->queue->ordered == QUEUE_ORDERED_NONE

The side effects of removing that check is what started
this whole discussion.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/