From 14a73f54798f39854e521fb596da7d50b7566bbd Mon Sep 17 00:00:00 2001
From: Carl Henrik Lunde <chlunde@ping.uio.no>
Date: Thu, 12 Jun 2008 20:13:58 +0200
Subject: [PATCH] block: disable IRQs until data is written to relay channel

As we may run relay_reserve from interrupt context we must always disable
IRQs.  This is because a call to relay_reserve may expose previously written
data to use space.

Updated new message code and an old but related comment.

Signed-off-by: Carl Henrik Lunde <chlunde@ping.uio.no>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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