148 void dlm_purge_lkb_callbacks(struct dlm_lkb *lkb)  in dlm_purge_lkb_callbacks()  argument
152 	list_for_each_entry_safe(cb, safe, &lkb->lkb_callbacks, list) {  in dlm_purge_lkb_callbacks()
157 	clear_bit(DLM_IFL_CB_PENDING_BIT, &lkb->lkb_iflags);  in dlm_purge_lkb_callbacks()
160 	dlm_callback_set_last_ptr(&lkb->lkb_last_cast, NULL);  in dlm_purge_lkb_callbacks()
161 	dlm_callback_set_last_ptr(&lkb->lkb_last_cb, NULL);  in dlm_purge_lkb_callbacks()
162 	lkb->lkb_last_bast_mode = -1;  in dlm_purge_lkb_callbacks()
195 void dlm_user_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode,  in dlm_user_add_ast()  argument
203 	if (test_bit(DLM_DFL_ORPHAN_BIT, &lkb->lkb_dflags) ||  in dlm_user_add_ast()
204 	    test_bit(DLM_IFL_DEAD_BIT, &lkb->lkb_iflags))  in dlm_user_add_ast()
207 	ls = lkb->lkb_resource->res_ls;  in dlm_user_add_ast()
216 	if (test_bit(DLM_DFL_ORPHAN_BIT, &lkb->lkb_dflags) ||  in dlm_user_add_ast()
217 	    test_bit(DLM_IFL_DEAD_BIT, &lkb->lkb_iflags))  in dlm_user_add_ast()
220 	DLM_ASSERT(lkb->lkb_ua, dlm_print_lkb(lkb););  in dlm_user_add_ast()
221 	ua = lkb->lkb_ua;  in dlm_user_add_ast()
228 		set_bit(DLM_IFL_ENDOFLIFE_BIT, &lkb->lkb_iflags);  in dlm_user_add_ast()
232 	rv = dlm_enqueue_lkb_callback(lkb, flags, mode, status, sbflags);  in dlm_user_add_ast()
239 		kref_get(&lkb->lkb_ref);  in dlm_user_add_ast()
240 		list_add_tail(&lkb->lkb_cb_list, &proc->asts);  in dlm_user_add_ast()
251 	if (test_bit(DLM_IFL_ENDOFLIFE_BIT, &lkb->lkb_iflags)) {  in dlm_user_add_ast()
254 		if (!list_empty(&lkb->lkb_ownqueue)) {  in dlm_user_add_ast()
255 			list_del_init(&lkb->lkb_ownqueue);  in dlm_user_add_ast()
256 			dlm_put_lkb(lkb);  in dlm_user_add_ast()
805 	struct dlm_lkb *lkb;  in device_read()  local
863 	lkb = list_first_entry(&proc->asts, struct dlm_lkb, lkb_cb_list);  in device_read()
865 	rv = dlm_dequeue_lkb_callback(lkb, &cb);  in device_read()
871 		log_print("dlm_rem_lkb_callback empty %x", lkb->lkb_id);  in device_read()
872 		list_del_init(&lkb->lkb_cb_list);  in device_read()
875 		dlm_put_lkb(lkb);  in device_read()
879 		list_del_init(&lkb->lkb_cb_list);  in device_read()
880 		clear_bit(DLM_IFL_CB_PENDING_BIT, &lkb->lkb_iflags);  in device_read()
891 		trace_dlm_bast(lkb->lkb_resource->res_ls, lkb, cb->mode);  in device_read()
893 		lkb->lkb_lksb->sb_status = cb->sb_status;  in device_read()
894 		lkb->lkb_lksb->sb_flags = cb->sb_flags;  in device_read()
895 		trace_dlm_ast(lkb->lkb_resource->res_ls, lkb);  in device_read()
898 	ret = copy_result_to_user(lkb->lkb_ua,  in device_read()
906 		dlm_put_lkb(lkb);  in device_read()