From: liuchang0812 <liuchang0812@gmail.com>
Date: Tue, 1 Aug 2017 14:48:10 +0000 (+0800)
Subject: os/bluestore: do not core dump when BlueRocksEnv gets EEXIST error
X-Git-Tag: v13.0.1~1094^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F17357%2Fhead;p=ceph.git

os/bluestore: do not core dump when BlueRocksEnv gets EEXIST error

in `rocksdb::repairdb`, rocksdb needs create a directory `lost` to archive all files.
we will get a EEXIST error when there is a `lost` directory already.

Fixes: http://tracker.ceph.com/issues/20871

Signed-off-by: liuchang0812 <liuchang0812@gmail.com>
---

diff --git a/src/os/bluestore/BlueRocksEnv.cc b/src/os/bluestore/BlueRocksEnv.cc
index 34e8a2fea0b..a78f2f1e9e0 100644
--- a/src/os/bluestore/BlueRocksEnv.cc
+++ b/src/os/bluestore/BlueRocksEnv.cc
@@ -16,6 +16,7 @@ rocksdb::Status err_to_status(int r)
   case -EINVAL:
     return rocksdb::Status::InvalidArgument(rocksdb::Status::kNone);
   case -EIO:
+  case -EEXIST:
     return rocksdb::Status::IOError(rocksdb::Status::kNone);
   default:
     // FIXME :(