linux-kernel - Re: [PATCH 4.19 084/321] scsi: qla2xxx: Fix NPIV handling for FC-NVMe

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Date:   Wed, 4 Dec 2019 22:48:00 +0100
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Himanshu Madhani <hmadhani@...vell.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 084/321] scsi: qla2xxx: Fix NPIV handling for FC-NVMe

Hi!

> From: Himanshu Madhani <hmadhani@...vell.com>
> 
> [ Upstream commit 5e6803b409ba3c18434de6693062d98a470bcb1e ]
> 
> This patch fixes issues with NPIV port with FC-NVMe. Clean up code for
> remoteport delete and also call nvme_delete when deleting VPs.

> @@ -564,7 +554,7 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
>  		schedule_work(&fcport->free_work);
>  	}
>  
> -	fcport->nvme_flag &= ~(NVME_FLAG_REGISTERED | NVME_FLAG_DELETING);
> +	fcport->nvme_flag &= ~NVME_FLAG_DELETING;
>  	ql_log(ql_log_info, fcport->vha, 0x2110,
>  	    "remoteport_delete of %p completed.\n", fcport);
>  }

Current -next-20191204 contains

 fcport->nvme_flag &= ~NVME_FLAG_REGISTERED;
 fcport->nvme_flag &= ~NVME_FLAG_DELETING;

... and there's no explanation in changelog why removing
NVME_FLAG_REGISTERED is good idea.

Are you sure this change is correct and suitable for -stable?
 								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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