Commit089ae3b

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Properly access a buffer's LSN using existing access macros instead of abusing

knowledge of page layout.Stolen from Jonah Harris' CRC patch

1 parent97227e9 commit089ae3bCopy full SHA for 089ae3b

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Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.238 2008/09/17 13:15:55 tgl Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.239 2008/10/20 21:11:15 alvherre Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -48,7 +48,7 @@`
`48`	`48`
`49`	`49`	`/* Note: these two macros only work on shared buffers, not local ones! */`
`50`	`50`	`#defineBufHdrGetBlock(bufHdr)((Block) (BufferBlocks + ((Size) (bufHdr)->buf_id) * BLCKSZ))`
`51`		`-#defineBufferGetLSN(bufHdr)(((XLogRecPtr)BufHdrGetBlock(bufHdr)))`
	`51`	`+#defineBufferGetLSN(bufHdr)(PageGetLSN(BufHdrGetBlock(bufHdr)))`
`52`	`52`
`53`	`53`	`/* Note: this macro only works on local buffers, not shared ones! */`
`54`	`54`	`#defineLocalBufHdrGetBlock(bufHdr) \`

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