osd: add coll_t::c_str() back

This fixes the tracepoints, and is easy/convenient.

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

diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index 838de63f3fbc7e2355882a2a0952cebadc95e959..de39af2bf95b413627c87020549574bd4461634a 100644 (file)
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -518,6 +518,9 @@ public:
   const std::string& to_str() const {
     return _str;
   }
+  const char *c_str() const {
+    return _str.c_str();
+  }
   bool parse(const std::string& s);
 
   int operator<(const coll_t &rhs) const {