[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]
Re: [dm-devel] [Lsf-pc] [LSF/MM TOPIC] a few storage topics
- From: Dan Williams <dan j williams intel com>
- To: djwong us ibm com
- Cc: Jan Kara <jack suse cz>, linux-scsi vger kernel org, Mike Snitzer <snitzer redhat com>, dm-devel redhat com, linux-fsdevel vger kernel org, lsf-pc lists linux-foundation org
- Subject: Re: [dm-devel] [Lsf-pc] [LSF/MM TOPIC] a few storage topics
- Date: Wed, 18 Jan 2012 15:39:20 -0800
On Wed, Jan 18, 2012 at 2:58 PM, Darrick J. Wong <djwong us ibm com> wrote:
> Or possibly modify md-raid5 not to snapshot dirty pages prior to xor/write?
> (I never really bothered to find out if it really does this.)
It does. ops_run_biodrain() copies from bio to the stripe cache
before performing xor.
--
Dan
[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]