672 						   int mds)  in __ceph_lookup_mds_session()  argument
674 	if (mds >= mdsc->max_sessions || !mdsc->sessions[mds])  in __ceph_lookup_mds_session()
676 	return ceph_get_mds_session(mdsc->sessions[mds]);  in __ceph_lookup_mds_session()
679 static bool __have_session(struct ceph_mds_client *mdsc, int mds)  in __have_session()  argument
681 	if (mds >= mdsc->max_sessions || !mdsc->sessions[mds])  in __have_session()
701 						 int mds)  in register_session()  argument
705 	if (mds >= mdsc->mdsmap->possible_max_rank)  in register_session()
712 	if (mds >= mdsc->max_sessions) {  in register_session()
713 		int newmax = 1 << get_count_order(mds + 1);  in register_session()
729 	dout("%s: mds%d\n", __func__, mds);  in register_session()
731 	s->s_mds = mds;  in register_session()
761 	mdsc->sessions[mds] = s;  in register_session()
765 	ceph_con_open(&s->s_con, CEPH_ENTITY_TYPE_MDS, mds,  in register_session()
766 		      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));  in register_session()
999 	int mds = -1;  in __choose_mds()  local
1085 				mds = frag.dist[r];  in __choose_mds()
1088 				     frag.frag, mds, (int)r, frag.ndist);  in __choose_mds()
1089 				if (ceph_mdsmap_get_state(mdsc->mdsmap, mds) >=  in __choose_mds()
1091 				    !ceph_mdsmap_is_laggy(mdsc->mdsmap, mds))  in __choose_mds()
1098 			if (frag.mds >= 0) {  in __choose_mds()
1100 				mds = frag.mds;  in __choose_mds()
1103 				     frag.frag, mds);  in __choose_mds()
1104 				if (ceph_mdsmap_get_state(mdsc->mdsmap, mds) >=  in __choose_mds()
1107 								  mds))  in __choose_mds()
1126 	mds = cap->session->s_mds;  in __choose_mds()
1128 	     inode, ceph_vinop(inode), mds,  in __choose_mds()
1135 	return mds;  in __choose_mds()
1141 	mds = ceph_mdsmap_get_random_mds(mdsc->mdsmap);  in __choose_mds()
1142 	dout("%s chose random mds%d\n", __func__, mds);  in __choose_mds()
1143 	return mds;  in __choose_mds()
1357 	int mds = session->s_mds;  in __open_session()  local
1360 	mstate = ceph_mdsmap_get_state(mdsc->mdsmap, mds);  in __open_session()
1361 	dout("open_session to mds%d (%s)\n", mds,  in __open_session()
1420 	int i, mds = session->s_mds;  in __open_export_target_sessions()  local
1422 	if (mds >= mdsc->mdsmap->possible_max_rank)  in __open_export_target_sessions()
1425 	mi = &mdsc->mdsmap->m_info[mds];  in __open_export_target_sessions()
2487 					       int mds, bool drop_cap_releases)  in create_request_message()  argument
2565 		      mds, req->r_inode_drop, req->r_inode_unless,  in create_request_message()
2569 				req->r_parent, mds, req->r_dentry_drop,  in create_request_message()
2573 				req->r_old_dentry_dir, mds,  in create_request_message()
2579 		      mds, req->r_old_inode_drop, req->r_old_inode_unless, 0);  in create_request_message()
2643 				  int mds, bool drop_cap_releases)  in __prepare_send_request()  argument
2652 			ceph_get_cap_for_mds(ceph_inode(req->r_inode), mds);  in __prepare_send_request()
2702 	msg = create_request_message(mdsc, req, mds, drop_cap_releases);  in __prepare_send_request()
2752 	int mds = -1;  in __do_request()  local
2794 	mds = __choose_mds(mdsc, req, &random);  in __do_request()
2795 	if (mds < 0 ||  in __do_request()
2796 	    ceph_mdsmap_get_state(mdsc->mdsmap, mds) < CEPH_MDS_STATE_ACTIVE) {  in __do_request()
2807 	session = __ceph_lookup_mds_session(mdsc, mds);  in __do_request()
2809 		session = register_session(mdsc, mds);  in __do_request()
2817 	dout("do_request mds%d session %p state %s\n", mds, session,  in __do_request()
2841 				req->r_resend_mds = mds;  in __do_request()
2891 static void kick_requests(struct ceph_mds_client *mdsc, int mds)  in kick_requests()  argument
2896 	dout("kick_requests mds%d\n", mds);  in kick_requests()
2905 		    req->r_session->s_mds == mds) {  in kick_requests()
3068 	int mds = session->s_mds;  in handle_reply()  local
3100 			   head->safe ? "safe" : "unsafe", tid, mds);  in handle_reply()
3106 			   tid, mds);  in handle_reply()
3130 			int mds = __choose_mds(mdsc, req, NULL);  in handle_reply()  local
3131 			if (mds >= 0 && mds != req->r_session->s_mds) {  in handle_reply()
3158 			dout("got safe reply %llu, mds%d\n", tid, mds);  in handle_reply()
3178 		pr_err("mdsc_handle_reply got corrupt reply mds%d(tid:%lld)\n", mds, tid);  in handle_reply()
3340 	int mds = session->s_mds;  in handle_session()  local
3383 	     mds, ceph_session_op_name(op), session,  in handle_session()
3458 		pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);  in handle_session()
3467 			kick_requests(mdsc, mds);  in handle_session()
3475 	pr_err("mdsc_handle_session corrupt message mds%d len %d\n", mds,  in handle_session()
3909 	int mds = session->s_mds;  in send_mds_reconnect()  local
3916 	pr_info("mds%d reconnect start\n", mds);  in send_mds_reconnect()
3959 		      CEPH_ENTITY_TYPE_MDS, mds,  in send_mds_reconnect()
3960 		      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));  in send_mds_reconnect()
4069 	pr_err("error %d preparing reconnect for mds%d\n", err, mds);  in send_mds_reconnect()
4207 	int mds = session->s_mds;  in handle_lease()  local
4214 	dout("handle_lease from mds%d\n", mds);  in handle_lease()
4779 	int mds;  in ceph_mdsc_force_umount()  local
4784 	for (mds = 0; mds < mdsc->max_sessions; mds++) {  in ceph_mdsc_force_umount()
4785 		session = __ceph_lookup_mds_session(mdsc, mds);  in ceph_mdsc_force_umount()
4804 		kick_requests(mdsc, mds);  in ceph_mdsc_force_umount()