linux-kernel - Re: [PATCH] eventfs: Process deletion of dentry more thoroughly

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Message-ID: <20231101022553.GE1957730@ZenIV>
Date:   Wed, 1 Nov 2023 02:25:53 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ajay Kaher <akaher@...are.com>
Subject: Re: [PATCH] eventfs: Process deletion of dentry more thoroughly

On Tue, Oct 31, 2023 at 02:47:03PM -0400, Steven Rostedt wrote:
> From: "Steven Rostedt (Google)" <rostedt@...dmis.org>
> 
> Looking at how dentry is removed via the tracefs system, I found that
> eventfs does not do everything that it did under tracefs. The tracefs
> removal of a dentry calls simple_recursive_removal() that does a lot more
> than a simple d_invalidate().

Umm...  Is there any reason not to use simple_recursive_removal() there?