From: Sage Weil <sage@redhat.com>
Date: Tue, 8 Mar 2016 18:14:33 +0000 (-0500)
Subject: os/filestore: make read replace (not append) to result bl
X-Git-Tag: v10.1.0~113^2~6
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e8b94aec4fdf40ba7c1287cb7f1452bb0316b274;p=ceph.git

os/filestore: make read replace (not append) to result bl

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index 9d0eeac2e3e2..b6bf02b2cb19 100644
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -2976,6 +2976,7 @@ int FileStore::read(
     return got;
   }
   bptr.set_length(got);   // properly size the buffer
+  bl.clear();
   bl.push_back(std::move(bptr));   // put it in the target bufferlist
 
 #ifdef HAVE_POSIX_FADVISE