linux-kernel - Re: [patch 4/5] VFS: allow filesystems to implement atomic open+truncate

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Date:	Fri, 21 Sep 2007 15:01:30 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	hch@...radead.org
CC:	miklos@...redi.hu, akpm@...ux-foundation.org, hch@...radead.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [patch 4/5] VFS: allow filesystems to implement atomic open+truncate

> > From: Miklos Szeredi <mszeredi@...e.cz>
> > 
> > Add a new attribute flag ATTR_OPEN, with the meaning: "truncation was
> > initiated by open() due to the O_TRUNC flag".
> > 
> > This way filesystems wanting to implement truncation within their
> > ->open() method can ignore such truncate requests.
> > 
> > This is a quick & dirty hack, but it comes for free.
> 
> Fine with me as it doesn't cause any active harm, but expect this to
> go away once the nfs intent mess is cleaned up and we'll get a real
> method for this kind of thing.

Sure.

Miklos
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