diff options
Diffstat (limited to 'src/backend/access/transam/subtrans.c')
| -rw-r--r-- | src/backend/access/transam/subtrans.c | 34 |
1 files changed, 4 insertions, 30 deletions
diff --git a/src/backend/access/transam/subtrans.c b/src/backend/access/transam/subtrans.c index 15153618fad..09aace9e09f 100644 --- a/src/backend/access/transam/subtrans.c +++ b/src/backend/access/transam/subtrans.c @@ -74,7 +74,6 @@ static SlruCtlData SubTransCtlData; #define SubTransCtl (&SubTransCtlData) -static int ZeroSUBTRANSPage(int64 pageno); static bool SubTransPagePrecedes(int64 page1, int64 page2); @@ -269,33 +268,8 @@ check_subtrans_buffers(int *newval, void **extra, GucSource source) void BootStrapSUBTRANS(void) { - int slotno; - LWLock *lock = SimpleLruGetBankLock(SubTransCtl, 0); - - LWLockAcquire(lock, LW_EXCLUSIVE); - - /* Create and zero the first page of the subtrans log */ - slotno = ZeroSUBTRANSPage(0); - - /* Make sure it's written out */ - SimpleLruWritePage(SubTransCtl, slotno); - Assert(!SubTransCtl->shared->page_dirty[slotno]); - - LWLockRelease(lock); -} - -/* - * Initialize (or reinitialize) a page of SUBTRANS to zeroes. - * - * The page is not actually written, just set up in shared memory. - * The slot number of the new page is returned. - * - * Control lock must be held at entry, and will be held at exit. - */ -static int -ZeroSUBTRANSPage(int64 pageno) -{ - return SimpleLruZeroPage(SubTransCtl, pageno); + /* Zero the initial page and flush it to disk */ + SimpleLruZeroAndWritePage(SubTransCtl, 0); } /* @@ -335,7 +309,7 @@ StartupSUBTRANS(TransactionId oldestActiveXID) prevlock = lock; } - (void) ZeroSUBTRANSPage(startPage); + (void) SimpleLruZeroPage(SubTransCtl, startPage); if (startPage == endPage) break; @@ -395,7 +369,7 @@ ExtendSUBTRANS(TransactionId newestXact) LWLockAcquire(lock, LW_EXCLUSIVE); /* Zero the page */ - ZeroSUBTRANSPage(pageno); + SimpleLruZeroPage(SubTransCtl, pageno); LWLockRelease(lock); } |