linux-kernel - Re: [PATCH V8 00/33] loop: Issue O_DIRECT aio using bio

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Message-ID: <54A4703B.2000006@oracle.com>
Date:	Wed, 31 Dec 2014 15:52:59 -0600
From:	Dave Kleikamp <dave.kleikamp@...cle.com>
To:	sedat.dilek@...il.com
CC:	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Maxim V. Patlasov" <mpatlasov@...allels.com>,
	Zach Brown <zab@...bo.net>, Ming Lei <ming.lei@...onical.com>
Subject: Re: [PATCH V8 00/33] loop: Issue O_DIRECT aio using bio_vec

On 12/31/2014 02:38 PM, Sedat Dilek wrote:
> 
> What has happened to that aio_loop patchset?
> Is it in Linux-next?
> ( /me started to play with "block: loop: convert to blk-mq (v3)", so I
> recalled this other improvement. )

It met with some harsh resistance, so I backed off on it. Then Al Viro
got busy re-writing the iov_iter infrastructure and I put my patchset on
the shelf to look at later. Then Ming Lei submitted more up-to-date
patchset: https://lkml.org/lkml/2014/8/6/175

It looks like Ming is currently only pushing the first half of that
patchset. I don't know what his plans are for the last three patches:

aio: add aio_kernel_() interface
fd/direct-io: introduce should_dirty for kernel aio
block: loop: support to submit I/O via kernel aio based

Dave
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