From: Roland Dreier <roland@purestorage.com>
Date: Tue, 14 Jun 2011 03:55:06 +0000 (-0700)
Subject: target: Make se_dev_check_online() locking IRQ-safe
X-Git-Tag: v3.1-rc1~305^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56e34ee2adb59a35bfa5714bdf4dcb3f4d14a41d;p=pandora-kernel.git

target: Make se_dev_check_online() locking IRQ-safe

se_dev_check_online() is called from transport_lookup_cmd_lun(), which
as discussed before may be called from interrupt context.  So it needs
to use spin_lock_irqsave() instead of spin_lock_irq() to avoid
enabling interrupts at the wrong time.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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