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Message-ID: <20190718231751.GV17978@ZenIV.linux.org.uk>
Date: Fri, 19 Jul 2019 00:17:52 +0100
From: Al Viro <viro@...iv.linux.org.uk>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Benjamin LaHaise <bcrl@...ck.org>, linux-fsdevel@...r.kernel.org,
linux-aio@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] aio: Support read/write with non-iter file-ops
On Thu, Jul 18, 2019 at 04:10:54PM -0700, Bjorn Andersson wrote:
> Implement a wrapper for aio_read()/write() to allow async IO on files
> not implementing the iter version of read/write, such as sysfs. This
> mimics how readv/writev uses non-iter ops in do_loop_readv_writev().
IDGI. How would that IO manage to be async? And what's the point
using aio in such situations in the first place?
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