From: Roland Dreier <roland@purestorage.com>
Date: Tue, 5 Jul 2011 20:34:52 +0000 (-0700)
Subject: target: Implement Block Device Characteristics VPD page
X-Git-Tag: v3.1-rc1~305^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e22a7f075226c51f3f71b922e9eeb4f99fac1475;p=pandora-kernel.git

target: Implement Block Device Characteristics VPD page

Implement page B1h, Block Device Characteristics, so that we can report
a medium rotation rate of 1 (non-rotating / solid state) if the
is_nonrot device attribute is set; we update the iblock backend to set
this attribute if the underlying Linux block device has its nonrot
flag set.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

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