rmgr_003.v1.patch

diff --git a/src/backend/access/transam/rmgr.c b/src/backend/access/transam/rmgr.c
index e1d6ebbd3d..36d9cfde7e 100644
--- a/src/backend/access/transam/rmgr.c
+++ b/src/backend/access/transam/rmgr.c
@@ -35,8 +35,8 @@
 #include "utils/relmapper.h"
 
 /* must be kept in sync with RmgrData definition in xlog_internal.h */
-#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
-	{ name, redo, desc, identify, startup, cleanup, mask, decode },
+#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode,checkpoint) \
+	{ name, redo, desc, identify, startup, cleanup, mask, decode, checkpoint },
 
 RmgrData RmgrTable[RM_MAX_ID + 1] = {
 #include "access/rmgrlist.h"
@@ -74,6 +74,22 @@ RmgrCleanup(void)
 	}
 }
 
+/*
+ * Checkpoint all resource managers.
+ */
+void
+RmgrCheckpoint(void)
+{
+	for (int rmid = 0; rmid <= RM_MAX_ID; rmid++)
+	{
+		if (!RmgrIdExists(rmid))
+			continue;
+
+		if (RmgrTable[rmid].rm_checkpoint != NULL)
+			RmgrTable[rmid].rm_checkpoint();
+	}
+}
+
 /*
  * Emit ERROR when we encounter a record with an RmgrId we don't
  * recognize.
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 36852f2327..43a0fc09fa 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6843,6 +6843,9 @@ CheckPointGuts(XLogRecPtr checkPointRedo, int flags)
 	CheckPointSUBTRANS();
 	CheckPointMultiXact();
 	CheckPointPredicate();
+
+	RmgrCheckpoint();
+
 	CheckPointBuffers(flags);
 
 	/* Perform all queued up fsyncs */
diff --git a/src/bin/pg_rewind/parsexlog.c b/src/bin/pg_rewind/parsexlog.c
index c6792dafae..d86426fdf0 100644
--- a/src/bin/pg_rewind/parsexlog.c
+++ b/src/bin/pg_rewind/parsexlog.c
@@ -28,7 +28,7 @@
  * RmgrNames is an array of the built-in resource manager names, to make error
  * messages a bit nicer.
  */
-#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
+#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode,checkpoint) \
   name,
 
 static const char *RmgrNames[RM_MAX_ID + 1] = {
diff --git a/src/bin/pg_waldump/rmgrdesc.c b/src/bin/pg_waldump/rmgrdesc.c
index 6b8c17bb4c..2bb5ba8c9f 100644
--- a/src/bin/pg_waldump/rmgrdesc.c
+++ b/src/bin/pg_waldump/rmgrdesc.c
@@ -32,7 +32,7 @@
 #include "storage/standbydefs.h"
 #include "utils/relmapper.h"
 
-#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
+#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode,checkpoint) \
 	{ name, desc, identify},
 
 static const RmgrDescData RmgrDescTable[RM_N_BUILTIN_IDS] = {
diff --git a/src/include/access/rmgr.h b/src/include/access/rmgr.h
index e465800e44..e81a59741b 100644
--- a/src/include/access/rmgr.h
+++ b/src/include/access/rmgr.h
@@ -19,7 +19,7 @@ typedef uint8 RmgrId;
  * Note: RM_MAX_ID must fit in RmgrId; widening that type will affect the XLOG
  * file format.
  */
-#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
+#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode,checkpoint) \
 	symname,
 
 typedef enum RmgrIds
diff --git a/src/include/access/rmgrlist.h b/src/include/access/rmgrlist.h
index 9a74721c97..5da814bc90 100644
--- a/src/include/access/rmgrlist.h
+++ b/src/include/access/rmgrlist.h
@@ -25,25 +25,25 @@
  */
 
 /* symbol name, textual name, redo, desc, identify, startup, cleanup */
-PG_RMGR(RM_XLOG_ID, "XLOG", xlog_redo, xlog_desc, xlog_identify, NULL, NULL, NULL, xlog_decode)
-PG_RMGR(RM_XACT_ID, "Transaction", xact_redo, xact_desc, xact_identify, NULL, NULL, NULL, xact_decode)
-PG_RMGR(RM_SMGR_ID, "Storage", smgr_redo, smgr_desc, smgr_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_CLOG_ID, "CLOG", clog_redo, clog_desc, clog_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_DBASE_ID, "Database", dbase_redo, dbase_desc, dbase_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_TBLSPC_ID, "Tablespace", tblspc_redo, tblspc_desc, tblspc_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_MULTIXACT_ID, "MultiXact", multixact_redo, multixact_desc, multixact_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_RELMAP_ID, "RelMap", relmap_redo, relmap_desc, relmap_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_STANDBY_ID, "Standby", standby_redo, standby_desc, standby_identify, NULL, NULL, NULL, standby_decode)
-PG_RMGR(RM_HEAP2_ID, "Heap2", heap2_redo, heap2_desc, heap2_identify, NULL, NULL, heap_mask, heap2_decode)
-PG_RMGR(RM_HEAP_ID, "Heap", heap_redo, heap_desc, heap_identify, NULL, NULL, heap_mask, heap_decode)
-PG_RMGR(RM_BTREE_ID, "Btree", btree_redo, btree_desc, btree_identify, btree_xlog_startup, btree_xlog_cleanup, btree_mask, NULL)
-PG_RMGR(RM_HASH_ID, "Hash", hash_redo, hash_desc, hash_identify, NULL, NULL, hash_mask, NULL)
-PG_RMGR(RM_GIN_ID, "Gin", gin_redo, gin_desc, gin_identify, gin_xlog_startup, gin_xlog_cleanup, gin_mask, NULL)
-PG_RMGR(RM_GIST_ID, "Gist", gist_redo, gist_desc, gist_identify, gist_xlog_startup, gist_xlog_cleanup, gist_mask, NULL)
-PG_RMGR(RM_SEQ_ID, "Sequence", seq_redo, seq_desc, seq_identify, NULL, NULL, seq_mask, NULL)
-PG_RMGR(RM_SPGIST_ID, "SPGist", spg_redo, spg_desc, spg_identify, spg_xlog_startup, spg_xlog_cleanup, spg_mask, NULL)
-PG_RMGR(RM_BRIN_ID, "BRIN", brin_redo, brin_desc, brin_identify, NULL, NULL, brin_mask, NULL)
-PG_RMGR(RM_COMMIT_TS_ID, "CommitTs", commit_ts_redo, commit_ts_desc, commit_ts_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_REPLORIGIN_ID, "ReplicationOrigin", replorigin_redo, replorigin_desc, replorigin_identify, NULL, NULL, NULL, NULL)
-PG_RMGR(RM_GENERIC_ID, "Generic", generic_redo, generic_desc, generic_identify, NULL, NULL, generic_mask, NULL)
-PG_RMGR(RM_LOGICALMSG_ID, "LogicalMessage", logicalmsg_redo, logicalmsg_desc, logicalmsg_identify, NULL, NULL, NULL, logicalmsg_decode)
+PG_RMGR(RM_XLOG_ID, "XLOG", xlog_redo, xlog_desc, xlog_identify, NULL, NULL, NULL, xlog_decode, NULL)
+PG_RMGR(RM_XACT_ID, "Transaction", xact_redo, xact_desc, xact_identify, NULL, NULL, NULL, xact_decode, NULL)
+PG_RMGR(RM_SMGR_ID, "Storage", smgr_redo, smgr_desc, smgr_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_CLOG_ID, "CLOG", clog_redo, clog_desc, clog_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_DBASE_ID, "Database", dbase_redo, dbase_desc, dbase_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_TBLSPC_ID, "Tablespace", tblspc_redo, tblspc_desc, tblspc_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_MULTIXACT_ID, "MultiXact", multixact_redo, multixact_desc, multixact_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_RELMAP_ID, "RelMap", relmap_redo, relmap_desc, relmap_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_STANDBY_ID, "Standby", standby_redo, standby_desc, standby_identify, NULL, NULL, NULL, standby_decode, NULL)
+PG_RMGR(RM_HEAP2_ID, "Heap2", heap2_redo, heap2_desc, heap2_identify, NULL, NULL, heap_mask, heap2_decode, NULL)
+PG_RMGR(RM_HEAP_ID, "Heap", heap_redo, heap_desc, heap_identify, NULL, NULL, heap_mask, heap_decode, NULL)
+PG_RMGR(RM_BTREE_ID, "Btree", btree_redo, btree_desc, btree_identify, btree_xlog_startup, btree_xlog_cleanup, btree_mask, NULL, NULL)
+PG_RMGR(RM_HASH_ID, "Hash", hash_redo, hash_desc, hash_identify, NULL, NULL, hash_mask, NULL, NULL)
+PG_RMGR(RM_GIN_ID, "Gin", gin_redo, gin_desc, gin_identify, gin_xlog_startup, gin_xlog_cleanup, gin_mask, NULL, NULL)
+PG_RMGR(RM_GIST_ID, "Gist", gist_redo, gist_desc, gist_identify, gist_xlog_startup, gist_xlog_cleanup, gist_mask, NULL, NULL)
+PG_RMGR(RM_SEQ_ID, "Sequence", seq_redo, seq_desc, seq_identify, NULL, NULL, seq_mask, NULL, NULL)
+PG_RMGR(RM_SPGIST_ID, "SPGist", spg_redo, spg_desc, spg_identify, spg_xlog_startup, spg_xlog_cleanup, spg_mask, NULL, NULL)
+PG_RMGR(RM_BRIN_ID, "BRIN", brin_redo, brin_desc, brin_identify, NULL, NULL, brin_mask, NULL, NULL)
+PG_RMGR(RM_COMMIT_TS_ID, "CommitTs", commit_ts_redo, commit_ts_desc, commit_ts_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_REPLORIGIN_ID, "ReplicationOrigin", replorigin_redo, replorigin_desc, replorigin_identify, NULL, NULL, NULL, NULL, NULL)
+PG_RMGR(RM_GENERIC_ID, "Generic", generic_redo, generic_desc, generic_identify, NULL, NULL, generic_mask, NULL, NULL)
+PG_RMGR(RM_LOGICALMSG_ID, "LogicalMessage", logicalmsg_redo, logicalmsg_desc, logicalmsg_identify, NULL, NULL, NULL, logicalmsg_decode, NULL)
diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h
index fae0bef8f5..bb086f45f3 100644
--- a/src/include/access/xlog_internal.h
+++ b/src/include/access/xlog_internal.h
@@ -318,11 +318,13 @@ typedef struct RmgrData
 	void		(*rm_mask) (char *pagedata, BlockNumber blkno);
 	void		(*rm_decode) (struct LogicalDecodingContext *ctx,
 							  struct XLogRecordBuffer *buf);
+	void		(*rm_checkpoint) (void);
 } RmgrData;
 
 extern PGDLLIMPORT RmgrData RmgrTable[];
 extern void RmgrStartup(void);
 extern void RmgrCleanup(void);
+extern void RmgrCheckpoint(void);
 extern void RmgrNotFound(RmgrId rmid);
 extern void RegisterCustomRmgr(RmgrId rmid, RmgrData *rmgr);