linux-kernel - Re: [PATCH 12/16] blktrace: add block trace commands for zone operations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250919151305.GL28352@lst.de>
Date: Fri, 19 Sep 2025 17:13:05 +0200
From: Christoph Hellwig <hch@....de>
To: Johannes Thumshirn <johannes.thumshirn@....com>
Cc: Jens Axboe <axboe@...nel.dk>, Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, linux-btrace@...r.kernel.org,
	John Garry <john.g.garry@...cle.com>,
	Hannes Reinecke <hare@...e.de>, Damien Le Moal <dlemoal@...nel.org>,
	Christoph Hellwig <hch@....de>, Naohiro Aota <naohiro.aota@....com>,
	Shinichiro Kawasaki <shinichiro.kawasaki@....com>,
	Chaitanya Kulkarni <chaitanyak@...dia.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH 12/16] blktrace: add block trace commands for zone
 operations

On Tue, Sep 09, 2025 at 01:06:07PM +0200, Johannes Thumshirn wrote:
> Add block trace commands for zone operations. These are added as a
> separate set of 'block trace commands' shifted by 32bit so that they do
> not interfere with the old 16bit wide trace command field in 'struct
> blk_io_trace' action.

This is very confusing.  Why not havve a single enum with the actual
values with a clearly marked cutoff for v1?