From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: John Garry <john.garry@huawei.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Ming Lei <ming.lei@redhat.com>,
"chenxiang \(M\)" <chenxiang66@hisilicon.com>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"linux-scsi\@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-block\@vger.kernel.org" <linux-block@vger.kernel.org>,
Linuxarm <linuxarm@huawei.com>,
Steffen Maier <maier@linux.ibm.com>
Subject: Re: DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT
Date: Thu, 06 Dec 2018 22:20:31 -0500 [thread overview]
Message-ID: <yq1sgzanhts.fsf@oracle.com> (raw)
In-Reply-To: <6324d4a1-a41e-4322-718c-f6c91099f508@huawei.com> (John Garry's message of "Thu, 6 Dec 2018 17:33:15 +0000")
John,
> "DIX is supported in mpt3sas , but not by default and hence while
> loading mpt3sas driver set module parameter "prot_mask=0x7F" to enable
> DIX support. "
The plumbing is there but it doesn't work. I tried earlier today and I
still can't get a single I/O to complete. I'll try to hack away at it
tomorrow.
> BTW, on a loosely related topic, in drivers/scsi/sd.h, I noticed that
> the arrays in sd_prot_op() and sd_prot_flag_mask() could be made
> static. In doing so I found sd.o object code shrunk by ~100B.
Will fix, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2018-12-07 3:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 9:55 DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT chenxiang (M)
2018-11-27 13:08 ` Ming Lei
2018-11-28 3:37 ` chenxiang (M)
2018-11-29 18:17 ` Ming Lei
[not found] ` <6c573f36-60d8-0631-e9ac-dacd72f6c8ad@hisilicon.com>
2018-11-29 0:54 ` Ming Lei
2018-11-30 1:19 ` Ming Lei
2018-11-30 11:26 ` John Garry
2018-12-04 3:55 ` Martin K. Petersen
[not found] ` <45193ec6-6398-3953-4833-88ca2057971a@huawei.com>
2018-12-05 2:22 ` Martin K. Petersen
2018-12-05 2:31 ` [PATCH] scsi: t10-pi: Return correct ref tag when queue has no integrity profile Martin K. Petersen
2018-12-05 4:24 ` Bart Van Assche
2018-12-05 14:04 ` Martin K. Petersen
2018-12-05 15:00 ` Bart Van Assche
2018-12-06 4:17 ` Martin K. Petersen
2018-12-06 12:04 ` John Garry
2018-12-06 12:04 ` John Garry
2018-12-06 12:16 ` chenxiang (M)
2018-12-06 12:16 ` chenxiang (M)
2018-12-05 15:27 ` DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT John Garry
2018-12-06 4:22 ` Martin K. Petersen
2018-12-06 17:33 ` John Garry
2018-12-07 3:20 ` Martin K. Petersen [this message]
2018-12-05 2:56 ` Martin K. Petersen
2018-11-27 20:22 ` Ewan D. Milne
2018-11-28 3:11 ` chenxiang (M)
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