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Date: Fri, 14 Aug 2020 06:28:01 +0100 From: Christoph Hellwig <hch@...radead.org> To: Pascal Bouchareine <kalou@....net> Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-api@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Alexey Dobriyan <adobriyan@...il.com>, Al Viro <viro@...iv.linux.org.uk>, Jeff Layton <jlayton@...chiereds.net>, "J. Bruce Fields" <bfields@...ldses.org> Subject: Re: [PATCH v4 2/2] fcntl: introduce F_SET_DESCRIPTION On Thu, Aug 13, 2020 at 08:54:53PM -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 NAK. There is no way we're going to bloat a criticial structure like struct file for some vanity information like this.
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