From: "Richard W.M. Jones" <rjones@redhat.com>
To: Richard Weinberger <richard@nod.at>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] [PATCH 1/4] um: ubd: Add REQ_FLUSH suppport
Date: Mon, 19 Aug 2013 10:21:31 +0100 [thread overview]
Message-ID: <20130819092130.GY5918@redhat.com> (raw)
In-Reply-To: <1376825409-18570-1-git-send-email-richard@nod.at>
On Sun, Aug 18, 2013 at 01:30:06PM +0200, Richard Weinberger wrote:
> UML's block device driver does not support write barriers,
> to support this this patch adds REQ_FLUSH suppport.
> Every time the block layer sends a REQ_FLUSH we fsync() now
> our backing file to guarantee data consistency.
>
> Cc: rjones@redhat.com
> Reported-by: Richard W.M. Jones <rjones@redhat.com>
> Signed-off-by: Richard Weinberger <richard@nod.at>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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prev parent reply other threads:[~2013-08-19 9:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-18 11:30 [uml-devel] [PATCH 1/4] um: ubd: Add REQ_FLUSH suppport Richard Weinberger
2013-08-18 11:30 ` [uml-devel] [PATCH 2/4] um: ubd: Introduce submit_request() Richard Weinberger
2013-08-18 11:30 ` [uml-devel] [PATCH 3/4] um: Cleanup SIGTERM handling Richard Weinberger
2013-08-19 9:28 ` Richard W.M. Jones
2013-08-18 11:30 ` [uml-devel] [PATCH 4/4] um: Run UML in it's own session Richard Weinberger
2013-08-19 9:30 ` Richard W.M. Jones
2013-08-19 20:23 ` Richard Weinberger
2013-09-07 12:14 ` Richard W.M. Jones
2013-09-07 12:16 ` Richard Weinberger
2013-08-19 9:21 ` Richard W.M. Jones [this message]
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