linux-kernel - Re: [PATCH 4/4] vfs: RWF

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Message-ID: <20141024094047.GD29178@infradead.org>
Date:	Fri, 24 Oct 2014 02:40:47 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Milosz Tanski <milosz@...in.com>
Cc:	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-aio@...ck.org,
	Mel Gorman <mgorman@...e.de>,
	Volker Lendecke <Volker.Lendecke@...net.de>,
	Tejun Heo <tj@...nel.org>, Jeff Moyer <jmoyer@...hat.com>,
	Theodore Ts'o <tytso@....edu>,
	Al Viro <viro@...iv.linux.org.uk>, linux-api@...r.kernel.org,
	Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH 4/4] vfs: RWF_NONBLOCK flag for preadv2

On Tue, Oct 21, 2014 at 04:46:59PM -0400, Milosz Tanski wrote:
> Filesystems that generic_file_read_iter will not be allowed to perform
> non-blocking reads. This only will read data if it's in the page cache and if
> there is no page error (causing a re-read).

I can't quite parse the first sentence, can you try to reword it?

> Christoph Hellwig wrote the filesystem specify code (cifs, ofs, shm, xfs).

s/specify/specific/.  It's so trivial that I don't think it matters.

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