void stasis_page_flushed(Page * p){
pagetype_t type = p->pageType;
assert(page_impls[type].page_type == type);
if(page_impls[type].has_header) {
*stasis_page_type_ptr(p)= type;
*stasis_page_lsn_ptr(p) = p->LSN;
} else {
*stasis_page_type_ptr(p)= type; // XXX 'has_header' is a misnomer.
}
if(page_impls[type].pageFlushed) page_impls[type].pageFlushed(p);
}
void stasis_uninitialized_page_loaded(int xid, Page * p) {
/// XXX this should be pushed into the pageLoaded callback, but the
// callback would need the xid, and currently is not given the xid.
lsn_t xid_lsn;
if(xid == INVALID_XID) {
xid_lsn = INVALID_LSN;
} else {
xid_lsn = stasis_transaction_table_get((stasis_transaction_table_t*)stasis_runtime_transaction_table(), xid)->prevLSN;
}
lsn_t log_lsn = ((stasis_log_t*)stasis_log())->next_available_lsn((stasis_log_t*)stasis_log());
// If this transaction has a prevLSN, prefer it. Otherwise, set the LSN to nextAvailableLSN - 1
p->LSN = *stasis_page_lsn_ptr(p) = (xid_lsn == INVALID_LSN) ? (log_lsn - 1) : xid_lsn;
p->pageType = *stasis_page_type_ptr(p) = UNINITIALIZED_PAGE;
if (page_impls[p->pageType].pageLoaded) page_impls[p->pageType].pageLoaded(p);
}
static void stasis_page_blob_flushed(Page *p) {
*stasis_page_lsn_ptr(p) = p->LSN;
DEBUG("flush lsn: %lld\n", (long long)p->LSN);
}
static void dataPageFlushed(Page* p) {
*stasis_page_lsn_ptr(p) = p->LSN;
dataPageFsck(p);
}
static void stasis_page_blob_loaded(Page *p) {
p->LSN = *stasis_page_lsn_ptr(p);
DEBUG("load lsn: %lld\n", (long long)p->LSN);
}