From: Andy Grover <agrover@redhat.com>
Date: Tue, 31 Mar 2015 22:04:37 +0000 (-0700)
Subject: target: Allow userspace to write 1 to attrib/emulate_fua_write
X-Git-Tag: omap-for-v4.1/fixes-rc1~213^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86d65dc4fe74d5b3228fe13c5eff0b10ae6808eb;p=pandora-kernel.git

target: Allow userspace to write 1 to attrib/emulate_fua_write

Before 4.0, reading attrib/emulate_fua_write has returned 1. Saved
configs created on a pre-4.0 kernel will try to write that back when
restoring LIO configuration. This should succeed with no effect,
and issue a warning.

See https://bugzilla.redhat.com/show_bug.cgi?id=1206184

Reported-by: Yanko Kaneti <yaneti@declera.com>
Reported-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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