From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Sat, 23 Jan 2016 05:09:45 +0000 (+0800)
Subject: BlueFS: add a guard for log space allocation during mkfs
X-Git-Tag: v10.0.4~57^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3278968423106e9f08b02272d4f8e26318498d99;p=ceph.git

BlueFS: add a guard for log space allocation during mkfs

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 759d2c8918b..64dd9f38973 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -174,9 +174,10 @@ int BlueFS::mkfs(uuid_d osd_uuid)
   FileRef log_file = new File;
   log_file->fnode.ino = 1;
   log_file->fnode.prefer_bdev = bdev.size() - 1;
-  _allocate(log_file->fnode.prefer_bdev,
+  int r = _allocate(log_file->fnode.prefer_bdev,
 	    g_conf->bluefs_max_log_runway,
 	    &log_file->fnode.extents);
+  assert(r == 0);
   log_writer = new FileWriter(log_file, bdev.size());
 
   // initial txn