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[dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.
- From: Jeremy Higdon <jeremy sgi com>
- To: Timothy Shimmin <tes sgi com>
- Cc: Tejun Heo <htejun gmail com>, David Chinner <dgc sgi com>, linux-kernel vger kernel org, linux-raid vger kernel org, dm-devel redhat com, Jens Axboe <jens axboe oracle com>, linux-fsdevel vger kernel org, Andreas Dilger <adilger clusterfs com>
- Subject: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.
- Date: Mon, 28 May 2007 23:45:59 -0700
On Mon, May 28, 2007 at 02:48:45PM +1000, Timothy Shimmin wrote:
> I'm taking it that the FUA write will just guarantee that that
> particular write has made it to disk on i/o completion
> (and no write cache flush is done).
Correct. It only applies to that one write command.
jeremy
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