static void lov_lock_cancel(const struct lu_env *env, const struct cl_lock_slice *slice) { struct cl_lock *lock = slice->cls_lock; struct lov_lock *lovlck = cl2lov_lock(slice); int i; for (i = 0; i < lovlck->lls_nr; ++i) { struct lov_lock_sub *lls = &lovlck->lls_sub[i]; struct cl_lock *sublock = &lls->sub_lock; struct lov_sublock_env *subenv; if (!lls->sub_is_enqueued) continue; lls->sub_is_enqueued = 0; subenv = lov_sublock_env_get(env, lock, lls); if (!IS_ERR(subenv)) { cl_lock_cancel(subenv->lse_env, sublock); lov_sublock_env_put(subenv); } else { CL_LOCK_DEBUG(D_ERROR, env, slice->cls_lock, "lov_lock_cancel fails with %ld.\n", PTR_ERR(subenv)); } } }
/** * 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, u64 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(!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); 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"); dump_stack(); 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); }