rbd: correct the name of mylock in lbirbd::read

Otherwise it may cause conflicts when registering the lock.

Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index ae9b8021a3ae29e77e7557075be124fc8d673c65..7c732b41c1796a6b9a21b1dff57e3cab934e0c66 100644 (file)
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -3028,7 +3028,7 @@ reprotect_and_return_err:
   ssize_t read(ImageCtx *ictx, const vector<pair<uint64_t,uint64_t> >& image_extents,
                char *buf, bufferlist *pbl, int op_flags)
   {
-    Mutex mylock("IoCtxImpl::write::mylock");
+    Mutex mylock("librbd::read::mylock");
     Cond cond;
     bool done;
     int ret;