os/bluestore/bluefs: Weaken locks in open_for_write

Signed-off-by: Adam Kupczyk <akupczyk@redhat.com>

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 649f070ae23894324fdbe75ded13188c6b1c8562..380a8fed904e937de46b8ec80a3bd5d64ca8fed2 100644 (file)
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -3624,7 +3624,7 @@ int BlueFS::open_for_write(
   FileWriter **h,
   bool overwrite)
 {
-  std::lock_guard nl(nodes.lock);
+  std::unique_lock nl(nodes.lock);
   dout(10) << __func__ << " " << dirname << "/" << filename << dendl;
   map<string,DirRef>::iterator p = nodes.dir_map.find(dirname);
   DirRef dir;
@@ -3686,6 +3686,7 @@ int BlueFS::open_for_write(
   dout(20) << __func__ << " mapping " << dirname << "/" << filename
           << " vsel_hint " << file->vselector_hint
           << dendl;
+  nl.unlock();
   {
     std::lock_guard ll(log.lock);
     log.t.op_file_update(file->fnode);