linux-kernel - Re: [PATCH v2 rcu 12/16] scsi/scsi_error: Use call_rcu_flush() instead of call

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Message-ID: <3dbfae56-918f-d850-11b4-5c98e3baae05@acm.org>
Date:   Fri, 25 Nov 2022 16:11:26 -0800
From:   Bart Van Assche <bvanassche@....org>
To:     "Paul E. McKenney" <paulmck@...nel.org>, rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org, Uladzislau Rezki <urezki@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org
Subject: Re: [PATCH v2 rcu 12/16] scsi/scsi_error: Use call_rcu_flush()
 instead of call_rcu()

On 11/21/22 17:04, Paul E. McKenney wrote:
> diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
> index 6995c89792300..634672e67c81f 100644
> --- a/drivers/scsi/scsi_error.c
> +++ b/drivers/scsi/scsi_error.c
> @@ -312,7 +312,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd)
>   	 * Ensure that all tasks observe the host state change before the
>   	 * host_failed change.
>   	 */
> -	call_rcu(&scmd->rcu, scsi_eh_inc_host_failed);
> +	call_rcu_flush(&scmd->rcu, scsi_eh_inc_host_failed);
>   }

Reviewed-by: Bart Van Assche <bvanassche@....org>