From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Thu, 25 Aug 2016 06:25:21 +0000 (+0800)
Subject: os/bluestore/bluefs: check against locked field during unlink
X-Git-Tag: v11.0.1~365^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=8cf9386748f4df379473d8fba204201c19fcee01;p=ceph.git

os/bluestore/bluefs: check against locked field during unlink

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 30982d0b1f6f..49b1485344b3 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -2074,6 +2074,11 @@ int BlueFS::unlink(const string& dirname, const string& filename)
     return -ENOENT;
   }
   FileRef file = q->second;
+  if (file->locked) {
+    dout(20) << __func__ << " file " << dirname << "/" << filename
+             << " is locked" << dendl;
+    return -EBUSY;
+  }
   dir->file_map.erase(filename);
   log_t.op_dir_unlink(dirname, filename);
   _drop_link(file);