linux-kernel - Re: [PATCH 1/3] dcache: add a new enum type for 'dentry_d_lock

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Message-ID: <20191115083941.68e52b87@gandalf.local.home>
Date:   Fri, 15 Nov 2019 08:39:41 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Greg KH <gregkh@...uxfoundation.org>, yu kuai <yukuai3@...wei.com>,
        rafael@...nel.org, oleg@...hat.com, mchehab+samsung@...nel.org,
        corbet@....net, tytso@....edu, jmorris@...ei.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        zhengbin13@...wei.com, yi.zhang@...wei.com,
        chenxiang66@...ilicon.com, xiexiuqi@...wei.com
Subject: Re: [PATCH 1/3] dcache: add a new enum type for
 'dentry_d_lock_class'

On Fri, 15 Nov 2019 08:38:13 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> My guess is that debugfs was written to be as simple as possible.
> Nothing too complex. And in doing so, may have issues as you are
> pointing out. Just a way to allow communications between user space and
> kernel space (as tracefs started out).

And speaking of tracefs, as it was basically a cut and paste copy of
debugfs, it too has the same issues. Thus, I'm very much interested in
how this should be done.

-- Steve