linux-kernel - Re: [patch 2/8] procfs: Convert /proc/pid/fdinfo/ handling routines to seq-file

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Date:	Tue, 14 Aug 2012 18:21:48 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	James Bottomley <jbottomley@...allels.com>,
	Matthew Helsley <matt.helsley@...il.com>
Subject: Re: [patch 2/8] procfs: Convert /proc/pid/fdinfo/ handling routines
 to seq-file

On 08/14/2012 06:03 PM, Cyrill Gorcunov wrote:
> This patch converts /proc/pid/fdinfo/ handling routines to seq-file which
> is needed to extend seq operations and plug in auxiliary fdinfo provides
> from subsystems like eventfd/eventpoll/fsnotify.
> 
> Note the proc_fd_link no longer call for proc_fd_info, simply because
> proc_fd_info is converted to seq_fdinfo_open (which is seq-file open()
> prototype), moreover in further patches I need to provide two seq_fdinfo_open
> variants -- one with CONFIG_CHECKPOINT_RESTORE and one without this
> symbol. All in one -- this will look more messy then.
> 
> Also, to eliminate code duplication (and Pavel's concerns) the fdinfo_open_helper
> function introduced which is used in both seq_fdinfo_open and proc_fd_link.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
> CC: Al Viro <viro@...IV.linux.org.uk>
> CC: Alexey Dobriyan <adobriyan@...il.com>
> CC: Andrew Morton <akpm@...ux-foundation.org>
> CC: Pavel Emelyanov <xemul@...allels.com>
> CC: James Bottomley <jbottomley@...allels.com>

Acked-by: Pavel Emelyanov <xemul@...allels.com>

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