From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Mon, 25 Jan 2016 04:15:21 +0000 (+0800)
Subject: BlueFS: fix space leak during write
X-Git-Tag: v10.0.4~135^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c2b5a685454398e4445f9d8f4a87eb1fcd426185;p=ceph.git

BlueFS: fix space leak during write

Fixes: #14481
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 d8ecdec36fd5..1bad6a2c68fc 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -1273,6 +1273,10 @@ int BlueFS::open_for_write(
 	       << ") file " << filename
 	       << " already exists, truncate + overwrite" << dendl;
       file->fnode.size = 0;
+      for (auto& p : file->fnode.extents) {
+        alloc[p.bdev]->release(p.offset, p.length);
+      }
+      file->fnode.extents.clear();
     }
     file->fnode.mtime = ceph_clock_now(NULL);
     log_t.op_file_update(file->fnode);