linux-kernel - Re: [PATCH] raw: fsync method is now required

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Date:	Mon, 5 Apr 2010 22:42:08 +0200
From:	Christoph Hellwig <hch@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Anton Blanchard <anton@...ba.org>, Jan Kara <jack@...e.cz>,
	Christoph Hellwig <hch@....de>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] raw: fsync method is now required

On Mon, Apr 05, 2010 at 01:39:02PM -0700, Andrew Morton wrote:
> So if you run fsync() against a /dev/rawX fd you get -EINVAL?  erk.
> 
> > We have two options: fix it or remove the raw driver completely. I'm happy
> > to do either, the fact this has been broken for so long suggests it is
> > rarely used.
> 
> Well.  It shows that fsync() is rarely used.

The new O_SYNC implementation uses fsync, so O_SYNC users are also
affected now.  Still shows that either one is relatively rarely used..

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