Re: [patch 1/7] procfs: Add ability to plug in auxiliary fdinfo providers

[Pavel Emelyanov <xemul@parallels.com>]

> This patch brings ability to print out auxiliary data associated
> with file in procfs interface /proc/pid/fdinfo/fd.
> 
> In particular further patches make eventfd, evenpoll, signalfd
> and fsnotify to print additional information complete enough
> to restore these objects after checkpoint.
> 
> To simplify the code we add show_fdinfo callback inside
> struct file_operations (as Al and Pavel are proposing).
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
> CC: Pavel Emelyanov <xemul@parallels.com>
> CC: Oleg Nesterov <oleg@redhat.com>
> CC: Andrey Vagin <avagin@openvz.org>
> CC: Al Viro <viro@ZenIV.linux.org.uk>
> CC: Alexey Dobriyan <adobriyan@gmail.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: James Bottomley <jbottomley@parallels.com>
> CC: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
> CC: Alexey Dobriyan <adobriyan@gmail.com>
> CC: Matthew Helsley <matt.helsley@gmail.com>
> CC: "J. Bruce Fields" <bfields@fieldses.org>
> CC: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
> CC: Tvrtko Ursulin <tvrtko.ursulin@onelan.co.uk>
> ---
>  fs/proc/fd.c       |    2 ++
>  include/linux/fs.h |    4 ++--
>  2 files changed, 4 insertions(+), 2 deletions(-)

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