-static int osc_req_prep(const struct lu_env *env,
- const struct cl_req_slice *slice)
-{
- return 0;
-}
-
-static void osc_req_completion(const struct lu_env *env,
- const struct cl_req_slice *slice, int ioret)
-{
- struct osc_req *or;
-
- or = cl2osc_req(slice);
- OBD_SLAB_FREE_PTR(or, osc_req_kmem);
-}
-
-/**
- * Implementation of struct cl_req_operations::cro_attr_set() for osc
- * layer. osc is responsible for struct obdo::o_id and struct obdo::o_seq
- * fields.
- */
-static void osc_req_attr_set(const struct lu_env *env,
- const struct cl_req_slice *slice,
- const struct cl_object *obj,
- struct cl_req_attr *attr, obd_valid flags)
-{
- struct lov_oinfo *oinfo;
- struct cl_req *clerq;
- struct cl_page *apage; /* _some_ page in @clerq */
- struct cl_lock *lock; /* _some_ lock protecting @apage */
- struct osc_lock *olck;
- struct osc_page *opg;
- struct obdo *oa;
- struct ost_lvb *lvb;
-
- oinfo = cl2osc(obj)->oo_oinfo;
- lvb = &oinfo->loi_lvb;
- oa = attr->cra_oa;
-
- if ((flags & OBD_MD_FLMTIME) != 0) {
- oa->o_mtime = lvb->lvb_mtime;
- oa->o_valid |= OBD_MD_FLMTIME;
- }
- if ((flags & OBD_MD_FLATIME) != 0) {
- oa->o_atime = lvb->lvb_atime;
- oa->o_valid |= OBD_MD_FLATIME;
- }
- if ((flags & OBD_MD_FLCTIME) != 0) {
- oa->o_ctime = lvb->lvb_ctime;
- oa->o_valid |= OBD_MD_FLCTIME;
- }
- if (flags & OBD_MD_FLGROUP) {
- ostid_set_seq(&oa->o_oi, ostid_seq(&oinfo->loi_oi));
- oa->o_valid |= OBD_MD_FLGROUP;
- }
- if (flags & OBD_MD_FLID) {
- ostid_set_id(&oa->o_oi, ostid_id(&oinfo->loi_oi));
- oa->o_valid |= OBD_MD_FLID;
- }
- if (flags & OBD_MD_FLHANDLE) {
- clerq = slice->crs_req;
- LASSERT(!cfs_list_empty(&clerq->crq_pages));
- apage = container_of(clerq->crq_pages.next,
- struct cl_page, cp_flight);
- opg = osc_cl_page_osc(apage);
- apage = opg->ops_cl.cpl_page; /* now apage is a sub-page */
- lock = cl_lock_at_page(env, apage->cp_obj, apage, NULL, 1, 1);
- if (lock == NULL) {
- struct cl_object_header *head;
- struct cl_lock *scan;
-
- head = cl_object_header(apage->cp_obj);
- cfs_list_for_each_entry(scan, &head->coh_locks,
- cll_linkage)
- CL_LOCK_DEBUG(D_ERROR, env, scan,
- "no cover page!\n");
- CL_PAGE_DEBUG(D_ERROR, env, apage,
- "dump uncover page!\n");
- libcfs_debug_dumpstack(NULL);
- LBUG();
- }
-
- olck = osc_lock_at(lock);
- LASSERT(olck != NULL);
- LASSERT(ergo(opg->ops_srvlock, olck->ols_lock == NULL));
- /* check for lockless io. */
- if (olck->ols_lock != NULL) {
- oa->o_handle = olck->ols_lock->l_remote_handle;
- oa->o_valid |= OBD_MD_FLHANDLE;
- }
- cl_lock_put(env, lock);
- }
-}
-
-static const struct cl_req_operations osc_req_ops = {
- .cro_prep = osc_req_prep,
- .cro_attr_set = osc_req_attr_set,
- .cro_completion = osc_req_completion
-};
-
-