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I posted some bufmgr cleanup a few weeks ago, but it conflicted with
some concurrent changes Jan was making to the bufmgr. Here's an updated version of the patch -- it should apply cleanly to CVS HEAD and passes the regression tests. This patch makes the following changes: - remove the UnlockAndReleaseBuffer() and UnlockAndWriteBuffer() macros, and replace uses of them with calls to the appropriate functions. - remove a bunch of #ifdef BMTRACE code: it is ugly & broken (i.e. it doesn't compile) - make BufferReplace() return a bool, not an int - cleanup some logic in bufmgr.c; should be functionality equivalent to the previous code, just cleaner now - remove the BM_PRIVATE flag as it is unused - improve a few comments, etc.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/storage/buffer/buf_table.c,v 1.33 2003/11/29 19:51:56 pgsql Exp $
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* $PostgreSQL: pgsql/src/backend/storage/buffer/buf_table.c,v 1.34 2003/12/14 00:34:47 neilc Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -117,15 +117,3 @@ BufTableDelete(BufferTag *tagPtr)
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return TRUE;
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}
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/* prints out collision stats for the buf table */
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#ifdef NOT_USED
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void
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DBG_LookupListCheck(int nlookup)
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{
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nlookup = 10;
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hash_stats("Shared", SharedBufHash);
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}
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#endif
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