osd: Use #pragma once rather than ifdefs to control inclusion.

Some EC headers were already using pragma once. This change makes it more convienent to add new classes with th old names.

Signed-off-by: Alex Ainscow <[email protected]>

Author: aainscow

src/osd/ECBackendL.h

@@ -12,8 +12,7 @@
  *
  */
 
-#ifndef ECBACKEND_H
-#define ECBACKEND_H
+#pragma once
 
 #include <boost/intrusive/set.hpp>
 #include <boost/intrusive/list.hpp>
@@ -443,4 +442,3 @@ class ECBackendL : public PGBackend, public ECCommonL {
 };
 ostream &operator<<(ostream &lhs, const ECBackendL::RMWPipeline::pipeline_state_t &rhs);
 
-#endif

src/osd/ECTransactionL.h

@@ -12,8 +12,7 @@
  *
  */
 
-#ifndef ECTRANSACTION_H
-#define ECTRANSACTION_H
+#pragma once
 
 #include "ECUtilL.h"
 #include "ECExtentCacheL.h"
@@ -191,5 +190,3 @@ namespace ECTransactionL {
     DoutPrefixProvider *dpp,
     const ceph_release_t require_osd_release = ceph_release_t::unknown);
 };
-
-#endif