linux-kernel - Re: [RFC][PATCH 0/7] Mount, FS, Block and Keyrings notifications

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Date:   Wed, 29 May 2019 08:10:53 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Amir Goldstein <amir73il@...il.com>,
        David Howells <dhowells@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>, Ian Kent <raven@...maw.net>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-api@...r.kernel.org,
        linux-block <linux-block@...r.kernel.org>,
        keyrings@...r.kernel.org,
        LSM List <linux-security-module@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH 0/7] Mount, FS, Block and Keyrings notifications

On Wed, May 29, 2019 at 04:25:04PM +0200, Jan Kara wrote:
> > I am not asking that you implement fs_notify() before merging sb_notify()
> > and I understand that you have a use case for sb_notify().
> > I am asking that you show me the path towards a unified API (how a
> > typical program would look like), so that we know before merging your
> > new API that it could be extended to accommodate fsnotify events
> > where the final result will look wholesome to users.
> 
> Are you sure we want to combine notification about file changes etc. with
> administrator-type notifications about the filesystem? To me these two
> sound like rather different (although sometimes related) things.

This patchset is looking to create a "generic" kernel notification
system, so I think the question is valid.  It's up to the requestor to
ask for the specific type of notification.

thanks,

greg k-h