From 488a2a9a725ff428a9511946c43e971866350c1a Mon Sep 17 00:00:00 2001
From: cuixf <cuixiaofei@sangfor.com.cn>
Date: Sun, 10 Jun 2018 22:06:42 -0400
Subject: [PATCH] osd: fix memory leak at EC read

Clean the in_progess and shard_to_read_map when the read op is complete,
to prevent memory leak and primary osd crash.

Signed-off-by: xiaofei cui <cuixiaofei@sangfor.com>
---
 src/osd/ECBackend.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/osd/ECBackend.cc b/src/osd/ECBackend.cc
index 151e35e414168..1bf6464f5f9bc 100644
--- a/src/osd/ECBackend.cc
+++ b/src/osd/ECBackend.cc
@@ -1257,6 +1257,13 @@ void ECBackend::complete_read_op(ReadOp &rop, RecoveryMessages *m)
       reqiter->second.cb = nullptr;
     }
   }
+  // if the read op is over. clean all the data of this tid.
+  for (set<pg_shard_t>::iterator iter = rop.in_progress.begin();
+    iter != rop.in_progress.end();
+    iter++) {
+    shard_to_read_map[*iter].erase(rop.tid);
+  }
+  rop.in_progress.clear();
   tid_to_read_map.erase(rop.tid);
 }
 
-- 
2.47.3