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Message-ID: <5003D93E.2000304@redhat.com> Date: Mon, 16 Jul 2012 17:05:02 +0800 From: Asias He <asias@...hat.com> To: Christoph Hellwig <hch@...radead.org> CC: linux-kernel@...r.kernel.org, Alexander Viro <viro@...iv.linux.org.uk>, Benjamin LaHaise <bcrl@...ck.org>, James Bottomley <James.Bottomley@...senPartnership.com>, Jeff Moyer <jmoyer@...hat.com>, kvm@...r.kernel.org, linux-aio@...ck.org, linux-fsdevel@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>, virtualization@...ts.linux-foundation.org, Dave Kleikamp <dave.kleikamp@...cle.com>, Zach Brown <zab@...hat.com> Subject: Re: [PATCH RESEND 0/5] Add vhost-blk support Hi Christoph, On 07/14/2012 03:49 PM, Christoph Hellwig wrote: > Please send a version that does direct block I/O similar to xen-blkback > for now. Seems xen-blkback converts the guest IO request to host bio and submit them directly. I was wondering whether this has a performance gain compared to AIO implementation. > If we get proper in-kernel aio support one day you can add > back file backend support. I talked with Dave and Zack on the in-kernel aio patch which James pointed out: http://marc.info/?l=linux-fsdevel&m=133312234313122 Dave will post a new version soon. I will wait for it. -- Asias -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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