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From: Dmitry Bogdanov <d.bogdanov@yadro.com>
To: Mike Christie <michael.christie@oracle.com>
Cc: <bvanassche@acm.org>, <martin.petersen@oracle.com>,
	<linux-scsi@vger.kernel.org>, <target-devel@vger.kernel.org>
Subject: Re: [PATCH v2 2/3] scsi: target: Create and use macro helpers for per CPU stats
Date: Wed, 17 Sep 2025 16:33:50 +0300	[thread overview]
Message-ID: <20250917133350.GE624@yadro.com> (raw)
In-Reply-To: <20250908231000.10777-3-michael.christie@oracle.com>

On Mon, Sep 08, 2025 at 06:05:55PM -0500, Mike Christie wrote:
> 
> This creates some macros to reduce code duplication for when we handle
> per CPU stats. It them converts the existing LUN and auth cases.
> 
> Note: This is similar to percpu_counters but they only support s64 since
> they are also used for non-stat counters where you need to handle/prevent
> rollover more gracefully. Our use is just for stats where the spec
> defines u64 use plus we already have some files exporting u64 values so
> it's not possible to directly use percpu_counters.
> 
> Signed-off-by: Mike Christie <michael.christie@oracle.com>
> ---
>  drivers/target/target_core_stat.c | 197 +++++++++---------------------
>  1 file changed, 61 insertions(+), 136 deletions(-)
> 


Thanks, that you agreed create such macros.

Reviewed-by: Dmitry Bogdanov <d.bogdanov@yadro.com>

  reply	other threads:[~2025-09-17 13:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-08 23:05 [PATCH v2 0/3] target: RW/num_cmds stats improvements Mike Christie
2025-09-08 23:05 ` [PATCH v2 1/3] scsi: target: Fix lun/device R/W and total command stats Mike Christie
2025-09-17 13:47   ` Dmitry Bogdanov
2025-09-08 23:05 ` [PATCH v2 2/3] scsi: target: Create and use macro helpers for per CPU stats Mike Christie
2025-09-17 13:33   ` Dmitry Bogdanov [this message]
2025-09-08 23:05 ` [PATCH v2 3/3] scsi: target: Move LUN stats to per CPU Mike Christie
2025-09-09 15:36   ` Maurizio Lombardi
2025-09-17 13:38   ` Dmitry Bogdanov

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