70     PgHdr *pPg;  in pcachePageTrace()  local
73     pPg = (PgHdr*)pLower->pExtra;  in pcachePageTrace()
74     printf("%3d: nRef %2d flgs %02x data ", i, pPg->nRef, pPg->flags);  in pcachePageTrace()
77     printf(" ptr %p\n", pPg);  in pcachePageTrace()
108 static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){  in pageOnDirtyList()  argument
111     if( p==pPg ) return 1;  in pageOnDirtyList()
127 int sqlite3PcachePageSanity(PgHdr *pPg){  in sqlite3PcachePageSanity()  argument
129   assert( pPg!=0 );  in sqlite3PcachePageSanity()
130   assert( pPg->pgno>0 || pPg->pPager==0 );    /* Page number is 1 or more */  in sqlite3PcachePageSanity()
131   pCache = pPg->pCache;  in sqlite3PcachePageSanity()
133   if( pPg->flags & PGHDR_CLEAN ){  in sqlite3PcachePageSanity()
134     assert( (pPg->flags & PGHDR_DIRTY)==0 );/* Cannot be both CLEAN and DIRTY */  in sqlite3PcachePageSanity()
135     assert( !pageOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirty list */  in sqlite3PcachePageSanity()
137     assert( (pPg->flags & PGHDR_DIRTY)!=0 );/* If not CLEAN must be DIRTY */  in sqlite3PcachePageSanity()
138     assert( pPg->pDirtyNext==0 || pPg->pDirtyNext->pDirtyPrev==pPg );  in sqlite3PcachePageSanity()
139     assert( pPg->pDirtyPrev==0 || pPg->pDirtyPrev->pDirtyNext==pPg );  in sqlite3PcachePageSanity()
140     assert( pPg->pDirtyPrev!=0 || pCache->pDirty==pPg );  in sqlite3PcachePageSanity()
141     assert( pageOnDirtyList(pCache, pPg) );  in sqlite3PcachePageSanity()
144   if( pPg->flags & PGHDR_WRITEABLE ){  in sqlite3PcachePageSanity()
145     assert( pPg->flags & PGHDR_DIRTY );     /* WRITEABLE implies DIRTY */  in sqlite3PcachePageSanity()
437   PgHdr *pPg;  in sqlite3PcacheFetchStress()  local
450     for(pPg=pCache->pSynced;   in sqlite3PcacheFetchStress()
451         pPg && (pPg->nRef || (pPg->flags&PGHDR_NEED_SYNC));   in sqlite3PcacheFetchStress()
452         pPg=pPg->pDirtyPrev  in sqlite3PcacheFetchStress()
454     pCache->pSynced = pPg;  in sqlite3PcacheFetchStress()
455     if( !pPg ){  in sqlite3PcacheFetchStress()
456       for(pPg=pCache->pDirtyTail; pPg && pPg->nRef; pPg=pPg->pDirtyPrev);  in sqlite3PcacheFetchStress()
458     if( pPg ){  in sqlite3PcacheFetchStress()
463                   pPg->pgno, pgno,  in sqlite3PcacheFetchStress()
467       pcacheTrace(("%p.SPILL %d\n",pCache,pPg->pgno));  in sqlite3PcacheFetchStress()
468       rc = pCache->xStress(pCache->pStress, pPg);  in sqlite3PcacheFetchStress()