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From: Al Viro <viro@zeniv.linux.org.uk>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Benjamin LaHaise <bcrl@kvack.org>,
	linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] aio: Support read/write with non-iter file-ops
Date: Fri, 19 Jul 2019 00:17:52 +0100	[thread overview]
Message-ID: <20190718231751.GV17978@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20190718231054.8175-1-bjorn.andersson@linaro.org>

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?

  reply	other threads:[~2019-07-18 23:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18 23:10 [PATCH] aio: Support read/write with non-iter file-ops Bjorn Andersson
2019-07-18 23:17 ` Al Viro [this message]
2019-07-18 23:43   ` Bjorn Andersson
2019-07-18 23:56     ` Benjamin LaHaise
2019-07-19  0:36       ` Bjorn Andersson
2019-07-19  0:07     ` Al Viro

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