Lines Matching refs:ls
28 static int rcom_response(struct dlm_ls *ls)
30 return test_bit(LSFL_RCOM_READY, &ls->ls_flags);
33 static int create_rcom(struct dlm_ls *ls, int to_nodeid, int type, int len,
52 rc->rc_header.h_lockspace = ls->ls_global_id;
59 spin_lock(&ls->ls_recover_lock);
60 rc->rc_seq = ls->ls_recover_seq;
61 spin_unlock(&ls->ls_recover_lock);
68 static void send_rcom(struct dlm_ls *ls, struct dlm_mhandle *mh,
79 static void make_config(struct dlm_ls *ls, struct rcom_config *rf)
81 rf->rf_lvblen = ls->ls_lvblen;
82 rf->rf_lsflags = ls->ls_exflags;
85 static int check_config(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
90 log_error(ls, "version mismatch: %x nodeid %d: %x",
96 if (rf->rf_lvblen != ls->ls_lvblen ||
97 rf->rf_lsflags != ls->ls_exflags) {
98 log_error(ls, "config mismatch: %d,%x nodeid %d: %d,%x",
99 ls->ls_lvblen, ls->ls_exflags,
106 static void allow_sync_reply(struct dlm_ls *ls, uint64_t *new_seq)
108 spin_lock(&ls->ls_rcom_spin);
109 *new_seq = ++ls->ls_rcom_seq;
110 set_bit(LSFL_RCOM_WAIT, &ls->ls_flags);
111 spin_unlock(&ls->ls_rcom_spin);
114 static void disallow_sync_reply(struct dlm_ls *ls)
116 spin_lock(&ls->ls_rcom_spin);
117 clear_bit(LSFL_RCOM_WAIT, &ls->ls_flags);
118 clear_bit(LSFL_RCOM_READY, &ls->ls_flags);
119 spin_unlock(&ls->ls_rcom_spin);
122 int dlm_rcom_status(struct dlm_ls *ls, int nodeid)
128 ls->ls_recover_nodeid = nodeid;
131 rc = (struct dlm_rcom *) ls->ls_recover_buf;
132 rc->rc_result = dlm_recover_status(ls);
136 error = create_rcom(ls, nodeid, DLM_RCOM_STATUS, 0, &rc, &mh);
140 allow_sync_reply(ls, &rc->rc_id);
141 memset(ls->ls_recover_buf, 0, dlm_config.ci_buffer_size);
143 send_rcom(ls, mh, rc);
145 error = dlm_wait_function(ls, &rcom_response);
146 disallow_sync_reply(ls);
150 rc = (struct dlm_rcom *) ls->ls_recover_buf;
154 log_debug(ls, "remote node %d not ready", nodeid);
157 error = check_config(ls, rc, nodeid);
163 static void receive_rcom_status(struct dlm_ls *ls, struct dlm_rcom *rc_in)
169 error = create_rcom(ls, nodeid, DLM_RCOM_STATUS_REPLY,
175 rc->rc_result = dlm_recover_status(ls);
176 make_config(ls, (struct rcom_config *) rc->rc_buf);
178 send_rcom(ls, mh, rc);
181 static void receive_sync_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
183 spin_lock(&ls->ls_rcom_spin);
184 if (!test_bit(LSFL_RCOM_WAIT, &ls->ls_flags) ||
185 rc_in->rc_id != ls->ls_rcom_seq) {
186 log_debug(ls, "reject reply %d from %d seq %llx expect %llx",
189 (unsigned long long)ls->ls_rcom_seq);
192 memcpy(ls->ls_recover_buf, rc_in, rc_in->rc_header.h_length);
193 set_bit(LSFL_RCOM_READY, &ls->ls_flags);
194 clear_bit(LSFL_RCOM_WAIT, &ls->ls_flags);
195 wake_up(&ls->ls_wait_general);
197 spin_unlock(&ls->ls_rcom_spin);
200 static void receive_rcom_status_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
202 receive_sync_reply(ls, rc_in);
205 int dlm_rcom_names(struct dlm_ls *ls, int nodeid, char *last_name, int last_len)
211 ls->ls_recover_nodeid = nodeid;
214 dlm_copy_master_names(ls, last_name, last_len,
215 ls->ls_recover_buf + len,
220 error = create_rcom(ls, nodeid, DLM_RCOM_NAMES, last_len, &rc, &mh);
225 allow_sync_reply(ls, &rc->rc_id);
226 memset(ls->ls_recover_buf, 0, dlm_config.ci_buffer_size);
228 send_rcom(ls, mh, rc);
230 error = dlm_wait_function(ls, &rcom_response);
231 disallow_sync_reply(ls);
236 static void receive_rcom_names(struct dlm_ls *ls, struct dlm_rcom *rc_in)
246 error = create_rcom(ls, nodeid, DLM_RCOM_NAMES_REPLY, outlen, &rc, &mh);
252 dlm_copy_master_names(ls, rc_in->rc_buf, inlen, rc->rc_buf, outlen,
254 send_rcom(ls, mh, rc);
257 static void receive_rcom_names_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
259 receive_sync_reply(ls, rc_in);
266 struct dlm_ls *ls = r->res_ls;
269 error = create_rcom(ls, dir_nodeid, DLM_RCOM_LOOKUP, r->res_length,
276 send_rcom(ls, mh, rc);
281 static void receive_rcom_lookup(struct dlm_ls *ls, struct dlm_rcom *rc_in)
288 error = create_rcom(ls, nodeid, DLM_RCOM_LOOKUP_REPLY, 0, &rc, &mh);
292 error = dlm_dir_lookup(ls, nodeid, rc_in->rc_buf, len, &ret_nodeid);
299 send_rcom(ls, mh, rc);
302 static void receive_rcom_lookup_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
304 dlm_recover_master_reply(ls, rc_in);
337 struct dlm_ls *ls = r->res_ls;
344 len += ls->ls_lvblen;
346 error = create_rcom(ls, r->res_nodeid, DLM_RCOM_LOCK, len, &rc, &mh);
354 send_rcom(ls, mh, rc);
359 static void receive_rcom_lock(struct dlm_ls *ls, struct dlm_rcom *rc_in)
365 dlm_recover_master_copy(ls, rc_in);
367 error = create_rcom(ls, nodeid, DLM_RCOM_LOCK_REPLY,
379 send_rcom(ls, mh, rc);
382 static void receive_rcom_lock_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
384 dlm_recover_process_copy(ls, rc_in);
422 static int is_old_reply(struct dlm_ls *ls, struct dlm_rcom *rc)
432 spin_lock(&ls->ls_recover_lock);
433 seq = ls->ls_recover_seq;
434 spin_unlock(&ls->ls_recover_lock);
436 log_debug(ls, "ignoring old reply %x from %d "
453 struct dlm_ls *ls;
460 ls = dlm_find_lockspace_global(hd->h_lockspace);
461 if (!ls) {
469 if (dlm_recovery_stopped(ls) && (rc->rc_type != DLM_RCOM_STATUS)) {
470 log_debug(ls, "ignoring recovery message %x from %d",
475 if (is_old_reply(ls, rc))
479 log_error(ls, "bad rcom nodeid %d from %d",
486 receive_rcom_status(ls, rc);
490 receive_rcom_names(ls, rc);
494 receive_rcom_lookup(ls, rc);
498 receive_rcom_lock(ls, rc);
502 receive_rcom_status_reply(ls, rc);
506 receive_rcom_names_reply(ls, rc);
510 receive_rcom_lookup_reply(ls, rc);
514 receive_rcom_lock_reply(ls, rc);
521 dlm_put_lockspace(ls);