From: Rusty Russell <rusty@rustcorp.com.au>
To: Christoph Hellwig <hch@lst.de>
Cc: borntraeger@de.ibm.com, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Subject: Re: [PATCH] virtio-blk: set QUEUE_ORDERED_DRAIN by default
Date: Tue, 25 Aug 2009 23:41:37 +0930 [thread overview]
Message-ID: <200908252341.38356.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20090820205616.GA5503@lst.de>
On Fri, 21 Aug 2009 06:26:16 am Christoph Hellwig wrote:
> Currently virtio-blk doesn't set any QUEUE_ORDERED_ flag by default, which
> means it does not allow filesystems to use barriers. But the typical use
> case for virtio-blk is to use a backed that uses synchronous I/O
Really? Does qemu open with O_SYNC?
I'm definitely no block expert, but this seems strange...
Rusty.
next prev parent reply other threads:[~2009-08-25 14:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-20 20:56 [PATCH] virtio-blk: set QUEUE_ORDERED_DRAIN by default Christoph Hellwig
2009-08-21 7:30 ` Christian Borntraeger
2009-08-25 14:11 ` Rusty Russell [this message]
2009-08-25 14:16 ` Christoph Hellwig
2009-08-26 12:06 ` Rusty Russell
2009-08-26 12:28 ` Avi Kivity
2009-08-27 10:43 ` Rusty Russell
2009-08-27 11:04 ` Avi Kivity
2009-08-28 1:15 ` Rusty Russell
2009-08-28 6:33 ` Avi Kivity
2009-08-27 17:06 ` Christoph Hellwig
2009-09-17 17:31 ` Christoph Hellwig
2009-09-22 6:27 ` Rusty Russell
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