From: Sage Weil <sage@redhat.com>
Date: Sun, 26 Mar 2017 18:59:00 +0000 (-0400)
Subject: os/bluestore: make deferred_aggressive atomic
X-Git-Tag: v12.0.2~184^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=78a5bdeef1c27e42ddbb16387617b0e5f2897794;p=ceph.git

os/bluestore: make deferred_aggressive atomic

This is written and read outside of any mutex.

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index 7ced85afd93..28bf60b9d54 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -1749,7 +1749,7 @@ private:
   std::atomic<uint64_t> deferred_seq = {0};
   deferred_osr_queue_t deferred_queue; ///< osr's with deferred io pending
   int deferred_queue_size = 0;         ///< num txc's queued across all osrs
-  bool deferred_aggressive = false;    ///< aggressive wakeup of kv thread
+  atomic_bool deferred_aggressive = {false}; ///< aggressive wakeup of kv thread
 
   int m_finisher_num = 1;
   vector<Finisher*> finishers;