cl_page_export(env, page, 1);
} else if (vpg->vpg_defer_uptodate) {
vpg->vpg_defer_uptodate = 0;
- if (ioret == -EWOULDBLOCK) {
+ if (ioret == -EAGAIN) {
/* mirror read failed, it needs to destroy the page
* because subpage would be from wrong osc when trying
* to read from a new mirror