linux-kernel - Re: [PATCH 1/3] nbd: support FLUSH requests

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Message-Id: <4CB78CEB-E66C-4C88-BF0D-26EECE13CAC6@alex.org.uk>
Date:	Wed, 13 Feb 2013 17:35:56 +0000
From:	Alex Bligh <alex@...x.org.uk>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	Alex Bligh <alex@...x.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, nbd-general@...ts.sf.net,
	Paul Clements <Paul.Clements@...eleye.com>
Subject: Re: [PATCH 1/3] nbd: support FLUSH requests


On 13 Feb 2013, at 16:02, Paolo Bonzini wrote:

> If you do not have REQ_FUA, as is the case with this patch, the block
> layer converts it to a REQ_FLUSH *after* the write.

OK. Well +/- it converting an fdatasync() into a full fsync(), that
should be be ok.

-- 
Alex Bligh




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