1 files changed, 49 insertions, 0 deletions
diff --git a/src/include/catalog/storage_xlog.h b/src/include/catalog/storage_xlog.h
new file mode 100644
index 0000000000..ae3a928231
--- /dev/null
+++ b/src/include/catalog/storage_xlog.h
@@ -0,0 +1,49 @@
+/*-------------------------------------------------------------------------
+ *
+ * storage_xlog.h
+ *	  prototypes for XLog support for backend/catalog/storage.c
+ *
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/storage_xlog.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef STORAGE_XLOG_H
+#define STORAGE_XLOG_H
+
+#include "access/xlog.h"
+#include "storage/block.h"
+#include "storage/relfilenode.h"
+
+/*
+ * Declarations for smgr-related XLOG records
+ *
+ * Note: we log file creation and truncation here, but logging of deletion
+ * actions is handled by xact.c, because it is part of transaction commit.
+ */
+
+/* XLOG gives us high 4 bits */
+#define XLOG_SMGR_CREATE	0x10
+#define XLOG_SMGR_TRUNCATE	0x20
+
+typedef struct xl_smgr_create
+{
+	RelFileNode rnode;
+	ForkNumber	forkNum;
+} xl_smgr_create;
+
+typedef struct xl_smgr_truncate
+{
+	BlockNumber blkno;
+	RelFileNode rnode;
+} xl_smgr_truncate;
+
+extern void log_smgrcreate(RelFileNode *rnode, ForkNumber forkNum);
+
+extern void smgr_redo(XLogRecPtr lsn, XLogRecord *record);
+extern void smgr_desc(StringInfo buf, uint8 xl_info, char *rec);
+
+#endif   /* STORAGE_XLOG_H */