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

[Pavel Emelyanov]

> 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@xxxxxxxxxx>
> CC: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
> CC: Oleg Nesterov <oleg@xxxxxxxxxx>
> CC: Andrey Vagin <avagin@xxxxxxxxxx>
> CC: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> CC: Alexey Dobriyan <adobriyan@xxxxxxxxx>
> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> CC: James Bottomley <jbottomley@xxxxxxxxxxxxx>
> CC: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> CC: Alexey Dobriyan <adobriyan@xxxxxxxxx>
> CC: Matthew Helsley <matt.helsley@xxxxxxxxx>
> CC: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
> CC: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> CC: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxx>
> ---
>  fs/proc/fd.c       |    2 ++
>  include/linux/fs.h |    4 ++--
>  2 files changed, 4 insertions(+), 2 deletions(-)

Acked-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
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