linux-kernel - Re: [patch 1/9] procfs: Move /proc/pid/fd[info] handling code to fd.[ch]

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Message-ID: <20120825171605.GT23464@ZenIV.linux.org.uk>
Date:	Sat, 25 Aug 2012 18:16:05 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelyanov <xemul@...allels.com>,
	James Bottomley <jbottomley@...allels.com>,
	Matthew Helsley <matt.helsley@...il.com>,
	aneesh.kumar@...ux.vnet.ibm.com, bfields@...ldses.org
Subject: Re: [patch 1/9] procfs: Move /proc/pid/fd[info] handling code to
 fd.[ch]

On Thu, Aug 23, 2012 at 02:43:24PM +0400, Cyrill Gorcunov wrote:
> This patch prepares the ground for further extension of
> /proc/pid/fd[info] handling code by moving fdinfo handling
> code into fs/proc/fd.c.
> 
> I think such move makes both fs/proc/base.c and fs/proc/fd.c
> easier to read.

BTW, looking at the other stuff in fs/proc/base.c, why the hell is
struct file * grabbed in proc_map_files_readdir()?  All we do with
it is passing it to proc_fill_cache(), which passes it to
proc_map_files_instantiate(), which looks at two sodding bits
in file->f_mode.  Then we go and fput() all those struct file
references we'd been putting into the array...  What for?
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