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-rw-r--r--src/backend/access/transam/xlog.c66
1 files changed, 34 insertions, 32 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index a917616cffd..e16ac0cb917 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.216 2005/08/20 23:26:10 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.217 2005/08/22 00:41:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -112,7 +112,7 @@
/*
* Limitation of buffer-alignment for direct IO depends on OS and filesystem,
- * but BLCKSZ is assumed to be enough for it.
+ * but BLCKSZ is assumed to be enough for it.
*/
#ifdef O_DIRECT
#define ALIGNOF_XLOG_BUFFER BLCKSZ
@@ -339,7 +339,7 @@ typedef struct XLogCtlInsert
{
XLogwrtResult LogwrtResult; /* a recent value of LogwrtResult */
XLogRecPtr PrevRecord; /* start of previously-inserted record */
- uint16 curridx; /* current block index in cache */
+ int curridx; /* current block index in cache */
XLogPageHeader currpage; /* points to header of block in cache */
char *currpos; /* current insertion point in cache */
XLogRecPtr RedoRecPtr; /* current redo point for insertions */
@@ -351,7 +351,7 @@ typedef struct XLogCtlInsert
typedef struct XLogCtlWrite
{
XLogwrtResult LogwrtResult; /* current value of LogwrtResult */
- uint16 curridx; /* cache index of next block to write */
+ int curridx; /* cache index of next block to write */
} XLogCtlWrite;
/*
@@ -375,8 +375,8 @@ typedef struct XLogCtlData
*/
char *pages; /* buffers for unwritten XLOG pages */
XLogRecPtr *xlblocks; /* 1st byte ptr-s + BLCKSZ */
- uint32 XLogCacheByte; /* # bytes in xlog buffers */
- uint32 XLogCacheBlck; /* highest allocated xlog buffer index */
+ Size XLogCacheByte; /* # bytes in xlog buffers */
+ int XLogCacheBlck; /* highest allocated xlog buffer index */
TimeLineID ThisTimeLineID;
slock_t info_lck; /* locks shared LogwrtRqst/LogwrtResult */
@@ -497,13 +497,14 @@ static void ReadControlFile(void);
static char *str_time(time_t tnow);
static void issue_xlog_fsync(void);
-/* XLog gather-write staffs */
+/* XLog gather-write stuff */
typedef struct XLogPages
{
- char *head; /* Head of first page */
- int size; /* Total bytes of pages == count(pages) * BLCKSZ */
- int offset; /* Offset in xlog segment file */
+ char *head; /* Start of first page to write */
+ Size size; /* Total bytes to write == count(pages) * BLCKSZ */
+ uint32 offset; /* Starting offset in xlog segment file */
} XLogPages;
+
static void XLogPageReset(XLogPages *pages);
static void XLogPageWrite(XLogPages *pages, int index);
static void XLogPageFlush(XLogPages *pages, int index);
@@ -539,7 +540,7 @@ XLogInsert(RmgrId rmid, uint8 info, XLogRecData *rdata)
XLogRecPtr RecPtr;
XLogRecPtr WriteRqst;
uint32 freespace;
- uint16 curridx;
+ int curridx;
XLogRecData *rdt;
Buffer dtbuf[XLR_MAX_BKP_BLOCKS];
bool dtbuf_bkp[XLR_MAX_BKP_BLOCKS];
@@ -1154,7 +1155,7 @@ AdvanceXLInsertBuffer(void)
{
XLogCtlInsert *Insert = &XLogCtl->Insert;
XLogCtlWrite *Write = &XLogCtl->Write;
- uint16 nextidx = NextBufIdx(Insert->curridx);
+ int nextidx = NextBufIdx(Insert->curridx);
bool update_needed = true;
XLogRecPtr OldPageRqstPtr;
XLogwrtRqst WriteRqst;
@@ -1239,7 +1240,7 @@ AdvanceXLInsertBuffer(void)
else
NewPageEndPtr.xrecoff += BLCKSZ;
XLogCtl->xlblocks[nextidx] = NewPageEndPtr;
- NewPage = (XLogPageHeader) (XLogCtl->pages + nextidx * BLCKSZ);
+ NewPage = (XLogPageHeader) (XLogCtl->pages + nextidx * (Size) BLCKSZ);
Insert->curridx = nextidx;
Insert->currpage = NewPage;
Insert->currpos = ((char *) NewPage) + SizeOfXLogShortPHD;
@@ -3625,19 +3626,19 @@ XLOGShmemSize(void)
void
XLOGShmemInit(void)
{
- bool foundXLog,
- foundCFile;
+ bool foundCFile,
+ foundXLog;
char *allocptr;
- XLogCtl = (XLogCtlData *)
- ShmemInitStruct("XLOG Ctl", XLOGShmemSize(), &foundXLog);
ControlFile = (ControlFileData *)
ShmemInitStruct("Control File", sizeof(ControlFileData), &foundCFile);
+ XLogCtl = (XLogCtlData *)
+ ShmemInitStruct("XLOG Ctl", XLOGShmemSize(), &foundXLog);
- if (foundXLog || foundCFile)
+ if (foundCFile || foundXLog)
{
/* both should be present or neither */
- Assert(foundXLog && foundCFile);
+ Assert(foundCFile && foundXLog);
return;
}
@@ -3658,13 +3659,13 @@ XLOGShmemInit(void)
*/
allocptr = (char *) TYPEALIGN(ALIGNOF_XLOG_BUFFER, allocptr);
XLogCtl->pages = allocptr;
- memset(XLogCtl->pages, 0, BLCKSZ * XLOGbuffers);
+ memset(XLogCtl->pages, 0, (Size) BLCKSZ * XLOGbuffers);
/*
* Do basic initialization of XLogCtl shared data. (StartupXLOG will
* fill in additional info.)
*/
- XLogCtl->XLogCacheByte = BLCKSZ * XLOGbuffers;
+ XLogCtl->XLogCacheByte = (Size) BLCKSZ * XLOGbuffers;
XLogCtl->XLogCacheBlck = XLOGbuffers - 1;
XLogCtl->Insert.currpage = (XLogPageHeader) (XLogCtl->pages);
SpinLockInit(&XLogCtl->info_lck);
@@ -5747,7 +5748,7 @@ pg_stop_backup(PG_FUNCTION_ARGS)
BACKUP_LABEL_FILE)));
RemoveOldBackupHistory();
-
+
/*
* Notify archiver that history file may be archived immediately
*/
@@ -5899,7 +5900,7 @@ remove_backup_label(void)
}
-/* XLog gather-write staffs */
+/* XLog gather-write stuff */
static void
XLogPageReset(XLogPages *pages)
@@ -5910,12 +5911,12 @@ XLogPageReset(XLogPages *pages)
static void
XLogPageWrite(XLogPages *pages, int index)
{
- char *page = XLogCtl->pages + index * BLCKSZ;
- int size = BLCKSZ;
- int offset = (LogwrtResult.Write.xrecoff - BLCKSZ) % XLogSegSize;
+ char *page = XLogCtl->pages + index * (Size) BLCKSZ;
+ Size size = BLCKSZ;
+ uint32 offset = (LogwrtResult.Write.xrecoff - BLCKSZ) % XLogSegSize;
- if (pages->head + pages->size == page
- && pages->offset + pages->size == offset)
+ if (pages->head + pages->size == page &&
+ pages->offset + pages->size == offset)
{ /* Pages are continuous. Append new page. */
pages->size += size;
}
@@ -5932,11 +5933,11 @@ static void
XLogPageFlush(XLogPages *pages, int index)
{
if (!pages->head)
- { /* No needs to write pages. */
+ { /* Nothing to write */
XLogCtl->Write.curridx = index;
return;
}
-
+
/* Need to seek in the file? */
if (openLogOff != pages->offset)
{
@@ -5957,8 +5958,9 @@ XLogPageFlush(XLogPages *pages, int index)
errno = ENOSPC;
ereport(PANIC,
(errcode_for_file_access(),
- errmsg("could not write to log file %u, segment %u at offset %u: %m",
- openLogId, openLogSeg, openLogOff)));
+ errmsg("could not write to log file %u, segment %u length %u at offset %u: %m",
+ openLogId, openLogSeg,
+ (unsigned int) pages->size, openLogOff)));
}
openLogOff += pages->size;
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-02 03:37:20 +0000