linux-kernel - Re: [PATCH 1/1] fs/mpage.c: forgotten WRITE

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Message-ID: <20140314145430.GL12613@htj.dyndns.org>
Date:	Fri, 14 Mar 2014 10:54:30 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Roman Peniaev <r.peniaev@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH 1/1] fs/mpage.c: forgotten WRITE_SYNC in case of data
 integrity write

On Fri, Mar 14, 2014 at 03:52:15PM +0100, Jan Kara wrote:
>   Well, for ext2, you can use ext4 kernel driver which takes care of
> REQ_FLUSH properly. For fat, you'll need to fix the fs...

This is a bit surprising tho.  Were we always like this?  We never had
even stupid "flush down everything and sync"?  Or is this something we
broke while morphing flush implementation several times in the past
years?

Thanks.

-- 
tejun
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