mds: use the whole string as the snapshot long name

The length of encrypted the snapshot name will be longer than normal
name and we need the whole encrypted name in kclient to do the base64
decode.

Signed-off-by: Xiubo Li <xiubli@redhat.com>

diff --git a/src/mds/snap.cc b/src/mds/snap.cc
index c5b8728e927149548d7c02b9d655df9b179a72ce..38942f22a3aad5c4d25fd0f67dc11c7bed7b1506 100644 (file)
--- a/src/mds/snap.cc
+++ b/src/mds/snap.cc
@@ -84,9 +84,9 @@ std::string_view SnapInfo::get_long_name() const
   if (long_name.empty() ||
       long_name.compare(1, name.size(), name) ||
       long_name.find_last_of("_") != name.size() + 1) {
-    char nm[80];
-    snprintf(nm, sizeof(nm), "_%s_%llu", name.c_str(), (unsigned long long)ino);
-    long_name = nm;
+    std::ostringstream oss;
+    oss << "_" << name << "_" << (unsigned long long)ino;
+    long_name = oss.str();
   }
   return long_name;
 }