685   if( pBase->pMethods ){  in asyncRead()
687     rc = pBase->pMethods->xFileSize(pBase, &filesize);  in asyncRead()
693       rc = pBase->pMethods->xRead(pBase, zOut, (int)nRead, iOffset);  in asyncRead()
778   if( pBase->pMethods ){  in asyncFileSize()
779     rc = pBase->pMethods->xFileSize(pBase, &s);  in asyncFileSize()
828       rc = pLock->pFile->pMethods->xLock(pLock->pFile, eRequired);  in getFileLock()
834       rc = pLock->pFile->pMethods->xUnlock(pLock->pFile, eRequired);  in getFileLock()
979         pLock->pFile->pMethods->xClose(pLock->pFile);  in unlinkAsyncFile()
1137     if( pData->pBaseRead->pMethods ){  in asyncOpen()
1138       pData->pBaseRead->pMethods->xClose(pData->pBaseRead);  in asyncOpen()
1140     if( pData->pBaseWrite->pMethods ){  in asyncOpen()
1141       pData->pBaseWrite->pMethods->xClose(pData->pBaseWrite);  in asyncOpen()
1395         (pBase->pMethods && (p->op==ASYNC_SYNC || p->op==ASYNC_WRITE) )   in asyncWriterThread()
1400       if( !pBase->pMethods ){  in asyncWriterThread()
1413         rc = pBase->pMethods->xWrite(pBase, (void *)(p->zBuf), p->nByte, p->iOffset);  in asyncWriterThread()
1419         rc = pBase->pMethods->xSync(pBase, p->nByte);  in asyncWriterThread()
1426         rc = pBase->pMethods->xTruncate(pBase, p->iOffset);  in asyncWriterThread()
1432         if( pData->pBaseWrite->pMethods ){  in asyncWriterThread()
1433           pData->pBaseWrite->pMethods->xClose(pData->pBaseWrite);  in asyncWriterThread()
1435         if( pData->pBaseRead->pMethods ){  in asyncWriterThread()
1436           pData->pBaseRead->pMethods->xClose(pData->pBaseRead);  in asyncWriterThread()
1520         assert(pData->pBaseRead->pMethods==0 && pData->pBaseWrite->pMethods==0);  in asyncWriterThread()