Re: XLogCacheByte is unused

This has been saved for the 8.4 release:

    http://momjian.postgresql.org/cgi-bin/pgpatches_hold

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ITAGAKI Takahiro wrote:
> I found XLogCtlData.XLogCacheByte is already unused in CVS HEAD.
> Should we remove the variable, or reserve it for future use?
>
> Index: src/backend/access/transam/xlog.c
> ===================================================================
> --- src/backend/access/transam/xlog.c    (revision 1268)
> +++ src/backend/access/transam/xlog.c    (working copy)
> @@ -317,7 +317,6 @@
>       */
>      char       *pages;            /* buffers for unwritten XLOG pages */
>      XLogRecPtr *xlblocks;        /* 1st byte ptr-s + XLOG_BLCKSZ */
> -    Size        XLogCacheByte;    /* # bytes in xlog buffers */
>      int            XLogCacheBlck;    /* highest allocated xlog buffer index */
>      TimeLineID    ThisTimeLineID;
>
> @@ -4115,8 +4114,6 @@
>       * Do basic initialization of XLogCtl shared data. (StartupXLOG will fill
>       * in additional info.)
>       */
> -    XLogCtl->XLogCacheByte = (Size) XLOG_BLCKSZ *XLOGbuffers;
> -
>      XLogCtl->XLogCacheBlck = XLOGbuffers - 1;
>      XLogCtl->Insert.currpage = (XLogPageHeader) (XLogCtl->pages);
>      SpinLockInit(&XLogCtl->info_lck);
>
> Regards,
> ---
> ITAGAKI Takahiro
> NTT Open Source Software Center
>
>
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  Bruce Momjian  <bruce@momjian.us>          http://momjian.us
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