Re: [PATCH] proc,fcntl: introduce F_SET_DESCRIPTION

[Al Viro]

On Fri, Jul 24, 2020 at 05:40:43PM -0700, Pascal Bouchareine wrote:
> This command attaches a description to a file descriptor for
> troubleshooting purposes. The free string is displayed in the
> process fdinfo file for that fd /proc/pid/fdinfo/fd.
> 
> One intended usage is to allow processes to self-document sockets
> for netstat and friends to report

Have you even tried to test it?  When will it ever free those things?