linux-kernel - Re: [PATCH v2 0/2] vfs: truncate bug fixes

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Message-ID: <20111222091022.GO23916@ZenIV.linux.org.uk>
Date:	Thu, 22 Dec 2011 09:10:22 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Dmitry Kasatkin <dmitry.kasatkin@...el.com>
Cc:	linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, zohar@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 0/2] vfs: truncate bug fixes

On Thu, Dec 22, 2011 at 10:55:24AM +0200, Dmitry Kasatkin wrote:
> When a file is opened with O_TRUNC or truncated with truncate()/ftruncate(),
> and then closed, iversion is not updated. This patch uses ATTR_OPEN flag,
> which is currently used to identify files opened with O_TRUNC,
> as an indication to increment iversion.
> Also it adds passing of this flag from do_sys_truncate and do_sys_ftruncate.
> To reflect real meaning, ATTR_OPEN is suggested to be renamed to ATTR_TRUNC.

Um...  Is there any difference left between that and ATTR_SIZE, then?
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