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From: Christoph Hellwig <hch@lst.de>
To: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: axboe@kernel.dk, chaitanyak@nvidia.com, dlemoal@kernel.org,
	hare@suse.de, hch@lst.de, john.g.garry@oracle.com,
	linux-block@vger.kernel.org, linux-btrace@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	martin.petersen@oracle.com, mathieu.desnoyers@efficios.com,
	mhiramat@kernel.org, naohiro.aota@wdc.com, rostedt@goodmis.org,
	shinichiro.kawasaki@wdc.com
Subject: Re: [PATCH v3 13/16] blktrace: add block trace commands for zone operations
Date: Thu, 16 Oct 2025 09:08:47 +0200	[thread overview]
Message-ID: <20251016070847.GE1417@lst.de> (raw)
In-Reply-To: <20251015105435.527088-14-johannes.thumshirn@wdc.com>

On Wed, Oct 15, 2025 at 12:54:32PM +0200, Johannes Thumshirn wrote:
> Add block trace commands for zone operations.
> 
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> ---
>  include/uapi/linux/blktrace_api.h | 13 +++++++++++--
>  kernel/trace/blktrace.c           | 25 +++++++++++++++++++++----
>  2 files changed, 32 insertions(+), 6 deletions(-)
> 
> diff --git a/include/uapi/linux/blktrace_api.h b/include/uapi/linux/blktrace_api.h
> index 3a771b9802aa..925f78af939e 100644
> --- a/include/uapi/linux/blktrace_api.h
> +++ b/include/uapi/linux/blktrace_api.h
> @@ -26,11 +26,20 @@ enum blktrace_cat {
>  	BLK_TC_DRV_DATA	= 1 << 14,	/* binary per-driver data */
>  	BLK_TC_FUA	= 1 << 15,	/* fua requests */
>  
> -	BLK_TC_END	= 1 << 15,	/* we've run out of bits! */
> +	BLK_TC_END_V1	= 1 << 15,	/* we've run out of bits! */
> +
> +	BLK_TC_ZONE_APPEND	= 1ull << 16,  	/* zone append */

Should BLK_TC_ZONE_APPEND be BLK_TC_END_V1?  Or is BLK_TC_END_V1 going
ot be used as the catchall for everything not reported in v1?


  reply	other threads:[~2025-10-16  7:08 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-15 10:54 [PATCH v3 00/16] block: add blktrace support for zoned block devi Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 01/16] blktrace: only calculate trace length once Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 02/16] blktrace: factor out recording a blktrace event Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 03/16] blktrace: split out relaying " Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 04/16] blktrace: untangle if/else sequence in __blk_add_trace Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 05/16] blktrace: change the internal action to 64bit Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 06/16] blktrace: split do_blk_trace_setup into two functions Johannes Thumshirn
2025-10-16  7:01   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 07/16] blktrace: add definitions for blk_user_trace_setup2 Johannes Thumshirn
2025-10-16  7:05   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 08/16] blktrace: pass blk_user_trace2 to setup functions Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 09/16] blktrace: add definitions for struct blk_io_trace2 Johannes Thumshirn
2025-10-16  7:06   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 10/16] blktrace: differentiate between blk_io_trace versions Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 11/16] blktrace: move trace_note to blk_io_trace2 Johannes Thumshirn
2025-10-16  7:06   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 12/16] blktrace: move ftrace blk_io_tracer " Johannes Thumshirn
2025-10-16  7:07   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 13/16] blktrace: add block trace commands for zone operations Johannes Thumshirn
2025-10-16  7:08   ` Christoph Hellwig [this message]
2025-10-20 10:57     ` Johannes Thumshirn
2025-10-15 10:54 ` [PATCH v3 14/16] blktrace: expose ZONE APPEND completions to blktrace Johannes Thumshirn
2025-10-16  7:09   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 15/16] blktrace: trace zone write plugging operations Johannes Thumshirn
2025-10-16  7:09   ` Christoph Hellwig
2025-10-15 10:54 ` [PATCH v3 16/16] blktrace: handle BLKTRACESETUP2 ioctl Johannes Thumshirn
2025-10-16  7:11   ` Christoph Hellwig

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