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

[Cyrill Gorcunov <gorcunov@openvz.org>]

On Sat, Aug 25, 2012 at 06:16:05PM +0100, Al Viro wrote:
> 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?

Well, this could be simplified indeed, if I understand you correctly
you propose just save f_mode in flexible array and use it instead
of struct file, right? (which will require to rewrite code a bit)

	Cyrill