From 9abf82b8bc93dd904738a71ca69aa5df356d4d24 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 10 May 2010 21:58:38 -0700
Subject: [PATCH] ceph: fix locking for waking session requests after reconnect

The session->s_waiting list is protected by mdsc->mutex, not s_mutex.  This
was causing (rare) s_waiting list corruption.

Fix errors paths too, while we're here.  A more thorough cleanup of this
function is coming soon.

Signed-off-by: Sage Weil <sage@newdream.net>
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