linux-kernel - Re: [PATCH] scsi: devinfo: Add Microsoft iSCSI target to 1024 sector blacklist

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Date:   Wed, 28 Mar 2018 17:49:54 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Long Li <longli@...rosoft.com>, KY Srinivasan <kys@...rosoft.com>
Cc:     Ross Lagerwall <ross.lagerwall@...rix.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: devinfo: Add Microsoft iSCSI target to 1024 sector blacklist


Long, KY: Please confirm.

> The Windows Server 2016 iSCSI target doesn't work with the Linux kernel
> initiator since the kernel started sending larger requests by default,
> nor does it implement the block limits VPD page. Apply the sector limit
> workaround for these targets.
>
> Signed-off-by: Ross Lagerwall <ross.lagerwall@...rix.com>
> ---
>  drivers/scsi/scsi_devinfo.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
> index f3b1172..5cb748a 100644
> --- a/drivers/scsi/scsi_devinfo.c
> +++ b/drivers/scsi/scsi_devinfo.c
> @@ -213,7 +213,7 @@ static struct {
>  	{"Medion", "Flash XL  MMC/SD", "2.6D", BLIST_FORCELUN},
>  	{"MegaRAID", "LD", NULL, BLIST_FORCELUN},
>  	{"MICROP", "4110", NULL, BLIST_NOTQ},
> -	{"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC},
> +	{"MSFT", "Virtual HD", NULL, BLIST_MAX_1024 | BLIST_NO_RSOC},
>  	{"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2},
>  	{"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN},
>  	{"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},

-- 
Martin K. Petersen	Oracle Linux Engineering