linux-kernel - Re: file metadata via fs API (was: [GIT PULL] Filesystem Information)

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Date:   Tue, 18 Aug 2020 11:01:10 -0400
From:   Jeffrey E Altman <jaltman@...istor.com>
To:     "Linus Torvalds (torvalds@...ux-foundation.org)" 
        <torvalds@...ux-foundation.org>
Cc:     David Howells <dhowells@...hat.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Karel Zak <kzak@...hat.com>,
        Jeff Layton <jlayton@...hat.com>,
        Miklos Szeredi <mszeredi@...hat.com>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        Christian Brauner <christian@...uner.io>,
        Lennart Poettering <lennart@...ttering.net>,
        Linux API <linux-api@...r.kernel.org>,
        Ian Kent <raven@...maw.net>,
        LSM <linux-security-module@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: file metadata via fs API (was: [GIT PULL] Filesystem Information)

On 8/14/2020 1:05 PM, Linus Torvalds (torvalds@...ux-foundation.org) wrote:
> Honestly, I really think you may want an extended [f]statfs(), not
> some mount tracking.
> 
>                  Linus

Linus,

Thank you for the reply.  Perhaps some of the communication disconnect
is due to which thread this discussion is taking place on.  My
understanding is that there were two separate pull requests.  One for
mount notifications and the other for filesystem information.  This
thread is derived from the pull request entitled "Filesystem
Information" and my response was a request for use cases.  The
assumption being that the request was related to the subject.

I apologize for creating unnecessary noise due to my misinterpretation
of your intended question.  The use cases I described and the types of
filesystem information required to satisfy them do not require mount
tracking.

Jeffrey Altman

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