395   u32 nBackfill;                  /* Number of WAL frames backfilled into DB */  member
1406     pInfo->nBackfill = 0;  in walIndexRecover()
1780 static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){  in walIteratorInit()  argument
1817   for(i=walFramePage(nBackfill+1); rc==SQLITE_OK && i<nSegment; i++){  in walIteratorInit()
1997   AtomicStore(&pInfo->nBackfill, 0);  in walRestartHdr()
2058   if( pInfo->nBackfill<pWal->hdr.mxFrame ){  in walCheckpoint()
2090     if( pInfo->nBackfill<mxSafeFrame ){  in walCheckpoint()
2091       rc = walIteratorInit(pWal, pInfo->nBackfill, &pIter);  in walCheckpoint()
2098       u32 nBackfill = pInfo->nBackfill;  in walCheckpoint()  local
2135         if( iFrame<=nBackfill || iFrame>mxSafeFrame || iDbpage>mxPage ){  in walCheckpoint()
2160           AtomicStore(&pInfo->nBackfill, mxSafeFrame);  in walCheckpoint()
2182     if( pInfo->nBackfill<pWal->hdr.mxFrame ){  in walCheckpoint()
2187       assert( pInfo->nBackfill==pWal->hdr.mxFrame );  in walCheckpoint()
2791   if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame  in walTryBeginRead()
2906   pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1;  in walTryBeginRead()
2958         for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){  in sqlite3WalSnapshotRecover()
3447     assert( pInfo->nBackfill==pWal->hdr.mxFrame );  in walRestartLog()
3448     if( pInfo->nBackfill>0 ){  in walRestartLog()
3932       if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill);  in sqlite3WalCheckpoint()