From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Sitsofe Wheeler <sitsofe@gmail.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Christoph Hellwig <hch@lst.de>, Hannes Reinecke <hare@suse.de>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org,
"James E.J. Bottomley" <JBottomley@parallels.com>
Subject: Re: [PATCH 0/3] scsi: Add Hyper-V logical block provisioning quirks
Date: Wed, 22 Oct 2014 21:50:22 -0400 [thread overview]
Message-ID: <yq1a94nwo4h.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20141021041707.GA11691@sucs.org> (Sitsofe Wheeler's message of "Tue, 21 Oct 2014 05:17:08 +0100")
>>>>> "Sitsofe" == Sitsofe Wheeler <sitsofe@gmail.com> writes:
Sitsofe> 2. On top of the above, when a disk is "small" (has less than
Sitsofe> 2^32 sectors which is typically < 2 TBytes in size) READ
Sitsofe> CAPACITY(16) won't be triggered.
static int sd_try_rc16_first(struct scsi_device *sdp)
{
if (sdp->host->max_cmd_len < 16)
return 0;
if (sdp->try_rc_10_first)
return 0;
if (sdp->scsi_level > SCSI_SPC_2)
return 1;
if (scsi_device_protection(sdp))
return 1;
return 0;
}
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2014-10-23 1:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-10 7:49 [PATCH 0/3] scsi: Add Hyper-V logical block provisioning quirks Sitsofe Wheeler
2014-10-10 7:51 ` [PATCH 1/3] Revert "Drivers: add blist flags" Sitsofe Wheeler
2014-10-10 7:52 ` [PATCH 2/3] scsi: add try_rc16 blacklist flag Sitsofe Wheeler
2014-10-15 1:08 ` Martin K. Petersen
2014-10-15 2:07 ` KY Srinivasan
2014-10-21 4:21 ` Sitsofe Wheeler
2014-10-23 1:46 ` Martin K. Petersen
2014-10-10 7:55 ` [PATCH 3/3] scsi: Use try_rc16 and try_vpd_pages quirks on Hyper-V virtual disks Sitsofe Wheeler
2014-10-11 17:39 ` [PATCH 0/3] scsi: Add Hyper-V logical block provisioning quirks Christoph Hellwig
2014-10-11 17:41 ` James Bottomley
2014-10-11 19:48 ` KY Srinivasan
2014-10-11 20:22 ` Jeff Leung
2014-10-12 1:21 ` KY Srinivasan
2014-10-21 4:45 ` Sitsofe Wheeler
2014-10-21 5:19 ` Jeff Leung
2014-10-21 18:30 ` KY Srinivasan
2014-10-15 1:06 ` Martin K. Petersen
2014-10-21 4:17 ` Sitsofe Wheeler
2014-10-23 1:50 ` Martin K. Petersen [this message]
2014-10-23 9:03 ` Sitsofe Wheeler
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