From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri, 13 Feb 2015 23:28:27 +0000 (+0000)
Subject: target: Add sanity checks for DPO/FUA bit usage
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~13^2~3
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fde9f50f80fe89a9115b4bfa773017272597d85d;p=pandora-kernel.git

target: Add sanity checks for DPO/FUA bit usage

This patch adds a sbc_check_dpofua() function that performs sanity
checks for DPO/FUA command bits.

It introduces checks to fail when either bit is set, but the backend
device is not advertising support for them.

It also moves the existing cmd->se_cmd_flags |= SCF_FUA assignement
into the new helper function.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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