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Re: [dm-devel] [PATCH resend] block: silently error unsupported empty barriers too

From: Mikulas Patocka <mpatocka redhat com>
To: Alasdair G Kergon <agk redhat com>
Cc: Mark McLoughlin <markmc redhat com>, Rusty Russell <rusty rustcorp com au>, linux-kernel <linux-kernel vger kernel org>, virtualization <virtualization lists linux-foundation org>, Christoph Hellwig <hch infradead org>, device-mapper development <dm-devel redhat com>, Jens Axboe <jens axboe oracle com>
Subject: Re: [dm-devel] [PATCH resend] block: silently error unsupported empty barriers too
Date: Thu, 15 Oct 2009 15:11:00 -0400 (EDT)


On Thu, 15 Oct 2009, Alasdair G Kergon wrote:

> On Thu, Sep 03, 2009 at 04:47:50PM +0100, Mark McLoughlin wrote:
> > We should error all barriers, even empty barriers, on devices like
> > virtio_blk which don't support them.
> 
> Acked-by: Alasdair G Kergon <agk redhat com>

Acked-by: Mikulas Patocka <mpatocka redhat com>

References:
- Re: [dm-devel] [PATCH resend] block: silently error unsupported empty barriers too
  - From: Alasdair G Kergon

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