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From: Al Viro <viro@zeniv.linux.org.uk>
To: David Reaver <me@davidreaver.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Danilo Krummrich <dakr@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Christian Brauner <brauner@kernel.org>,
	linux-fsdevel@vger.kernel.org, cocci@inria.fr,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/6] debugfs: Replace dentry with an opaque handle in debugfs API
Date: Mon, 10 Feb 2025 05:53:41 +0000	[thread overview]
Message-ID: <20250210055341.GZ1977892@ZenIV> (raw)
In-Reply-To: <20250210052039.144513-1-me@davidreaver.com>

On Sun, Feb 09, 2025 at 09:20:20PM -0800, David Reaver wrote:
> Overview
> ========
> 
> This patch series replaces raw dentry pointers in the debugfs API with
> an opaque wrapper struct:
> 
> 	struct debugfs_node {
> 		struct dentry dentry;
> 	};
> 
> Intermediate commits rely on "#define debugfs_node dentry" to migrate
> debugfs users without breaking the build. The final commit introduces
> the struct and updates debugfs internals accordingly.
> 
> Why an RFC?
> ===========
> 
> This is a large change, and I expect a few iterations -- unless this
> entire approach is NACKed of course :) Any advice is appreciated, and
> I'm particularly looking for feedback on the following:

Do not embed struct dentry into anything else.

Do not take over its lifetime rules.

For the record:

	Anything of that sort is going to be vetoed.

  parent reply	other threads:[~2025-02-10  5:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-10  5:20 [RFC PATCH 0/6] debugfs: Replace dentry with an opaque handle in debugfs API David Reaver
2025-02-10  5:20 ` [RFC PATCH 1/6] debugfs: Add temporary "#define debugfs_node dentry" directives David Reaver
2025-02-10  5:20 ` [RFC PATCH 2/6] debugfs: Add helper functions for debugfs_node encapsulation David Reaver
2025-02-10  5:20 ` [RFC PATCH 3/6] relay: Replace dentry with debugfs_node David Reaver
2025-02-10  5:20 ` [RFC PATCH 4/6] debugfs: Automated conversion from dentry to debugfs_node David Reaver
2025-02-10  5:20 ` [RFC PATCH 5/6] debugfs: Manual fixes for incomplete Coccinelle conversions David Reaver
2025-02-10 16:45   ` Steven Rostedt
2025-02-10 17:53     ` David Reaver
2025-02-10  5:20 ` [RFC PATCH 6/6] debugfs: Replace debugfs_node #define with struct wrapping dentry David Reaver
2025-02-10  5:58   ` Al Viro
2025-02-10  5:53 ` Al Viro [this message]
2025-02-10  7:08 ` [RFC PATCH 0/6] debugfs: Replace dentry with an opaque handle in debugfs API Greg Kroah-Hartman
2025-02-10 16:08   ` David Reaver
2025-02-10 16:53     ` Steven Rostedt
2025-02-10 17:00       ` Al Viro
2025-02-10 17:12         ` Steven Rostedt
2025-02-10 17:25           ` Steven Rostedt
2025-02-10 17:59       ` David Reaver

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