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

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Date:	Fri, 24 Oct 2014 13:16:04 -0400
From:	Milosz Tanski <milosz@...in.com>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-aio@...ck.org" <linux-aio@...ck.org>,
	Mel Gorman <mgorman@...e.de>,
	Volker Lendecke <Volker.Lendecke@...net.de>,
	Tejun Heo <tj@...nel.org>, "Theodore Ts'o" <tytso@....edu>,
	Al Viro <viro@...iv.linux.org.uk>,
	Linux API <linux-api@...r.kernel.org>,
	Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH 4/4] vfs: RWF_NONBLOCK flag for preadv2

On Fri, Oct 24, 2014 at 11:55 AM, Jeff Moyer <jmoyer@...hat.com> wrote:
> Milosz Tanski <milosz@...in.com> writes:
>
>> 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).
>>
>> Christoph Hellwig wrote the filesystem specify code (cifs, ofs, shm, xfs).
>>
>> Signed-off-by: Milosz Tanski <milosz@...in.com>
>
> Add in the 2 hunks from the other patches, as suggested by Christoph,
> and you can add my:
>
> Reviewed-by: Jeff Moyer <jmoyer@...hat.com>

I'm aware of the 3 patch series that Christoph sent out shortly after
the previous version of the patchset. Wasn't sure what to do about it.

Christoph, should I apply your last 3 patches to the end of this tree
and send it along with the next submission? Or should I take the first
two combine them with this change and then apply RWF_DSYNC ontop of
it?

- M

-- 
Milosz Tanski
CTO
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New York, NY 10016

p: 646-253-9055
e: milosz@...in.com
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