From: Shaohua Li <shli@kernel.org>
Date: Thu, 14 Nov 2013 04:16:16 +0000 (+1100)
Subject: wait: add wait_event_cmd()
X-Git-Tag: v3.13-rc1~31^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82e06c811163c4d853ed335d56c3378088bc89cc;p=pandora-kernel.git

wait: add wait_event_cmd()

Add a new API wait_event_cmd(). It's a variant of wait_even() with two
commands executed. One is executed before sleep, another after sleep.

Modified to match use wait.h approach based on suggestion by
Peter Zijlstra <peterz@infradead.org> - neilb

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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