Index: src/backend/storage/buffer/bufmgr.c
===================================================================
RCS file: /var/lib/cvs/pgsql/src/backend/storage/buffer/bufmgr.c,v
retrieving revision 1.122
diff -c -r1.122 bufmgr.c
*** src/backend/storage/buffer/bufmgr.c	6 Mar 2002 06:10:02 -0000	1.122
--- src/backend/storage/buffer/bufmgr.c	1 Apr 2002 21:06:18 -0000
***************
*** 1016,1040 ****
  }
  
  /*
-  * BufferGetBlockNumber
-  *		Returns the block number associated with a buffer.
-  *
-  * Note:
-  *		Assumes that the buffer is valid and pinned, else the
-  *		value may be obsolete immediately...
-  */
- BlockNumber
- BufferGetBlockNumber(Buffer buffer)
- {
- 	Assert(BufferIsValid(buffer));
- 
- 	if (BufferIsLocal(buffer))
- 		return LocalBufferDescriptors[-buffer - 1].tag.blockNum;
- 	else
- 		return BufferDescriptors[buffer - 1].tag.blockNum;
- }
- 
- /*
   * BufferReplace
   *
   * Write out the buffer corresponding to 'bufHdr'
--- 1016,1021 ----
Index: src/include/storage/bufmgr.h
===================================================================
RCS file: /var/lib/cvs/pgsql/src/include/storage/bufmgr.h,v
retrieving revision 1.57
diff -c -r1.57 bufmgr.h
*** src/include/storage/bufmgr.h	10 Nov 2001 23:51:14 -0000	1.57
--- src/include/storage/bufmgr.h	1 Apr 2002 21:06:20 -0000
***************
*** 16,21 ****
--- 16,22 ----
  
  #include "access/xlogdefs.h"
  #include "storage/buf.h"
+ #include "storage/buf_internals.h"
  #include "storage/lock.h"
  #include "storage/relfilenode.h"
  #include "utils/rel.h"
***************
*** 33,38 ****
--- 34,41 ----
  extern int	NLocBuffer;
  extern Block *LocalBufferBlockPointers;
  extern long *LocalRefCount;
+ extern BufferDesc *LocalBufferDescriptors;
+ extern BufferDesc *BufferDescriptors;
  
  /* special pageno for bget */
  #define P_NEW	InvalidBlockNumber		/* grow the file to get a new page */
***************
*** 150,155 ****
--- 153,175 ----
  		BufferBlockPointers[(buffer) - 1] \
  )
  
+ /*
+  * BufferGetBlockNumber
+  *		Returns the block number associated with a buffer.
+  *
+  * Note:
+  *		Assumes that the buffer is valid and pinned, else the
+  *		value may be obsolete immediately...
+  */
+ #define BufferGetBlockNumber(buffer) \
+ ( \
+ 	AssertMacro(BufferIsValid(buffer)), \
+ 	AssertMacro(BufferIsPinned(buffer)), \
+ 	BufferIsLocal(buffer) ? \
+ 		LocalBufferDescriptors[-(buffer) -1].tag.blockNum \
+ 	: \
+ 		BufferDescriptors[(buffer) - 1].tag.blockNum \
+ )
  
  /*
   * prototypes for functions in bufmgr.c
***************
*** 169,175 ****
  extern void ResetBufferPool(bool isCommit);
  extern bool BufferPoolCheckLeak(void);
  extern void FlushBufferPool(void);
- extern BlockNumber BufferGetBlockNumber(Buffer buffer);
  extern BlockNumber RelationGetNumberOfBlocks(Relation relation);
  extern int	FlushRelationBuffers(Relation rel, BlockNumber firstDelBlock);
  extern void DropRelationBuffers(Relation rel);
--- 189,194 ----