linux-kernel - Re: [PATCH] revoke: delayed file closing

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Message-ID: <84144f020703090438y484605a0i3cf6b547b953a4db@mail.gmail.com>
Date:	Fri, 9 Mar 2007 14:38:10 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	akpm@...ux-foundation.org
Cc:	dada1@...mosbay.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] revoke: delayed file closing

On 3/9/07, Pekka J Enberg <penberg@...helsinki.fi> wrote:
> To fix this, change sys_revoke() not to close the actual revoked file
> immediately. Instead, we do filp_close() when the user does close(2)
> on the revoked file descriptor.

Btw, this is safe because a filesystem implementing f_ops->revoke must
ensure there are no pending writes after it has completed so
f_ops->flush will not do any actual flushing when it is invoked by a
delayed close.
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