From fc55d2c9448b34218ca58733a6f51fbede09575b Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.z.yan@intel.com>
Date: Thu, 31 Oct 2013 09:10:47 +0800
Subject: [PATCH] ceph: wake up 'safe' waiters when unregistering request

We also need to wake up 'safe' waiters if error occurs or request
aborted. Otherwise sync(2)/fsync(2) may hang forever.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
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