776 						   int mds)  in __ceph_lookup_mds_session()  argument
778 	if (mds >= mdsc->max_sessions || !mdsc->sessions[mds])  in __ceph_lookup_mds_session()
780 	return ceph_get_mds_session(mdsc->sessions[mds]);  in __ceph_lookup_mds_session()
783 static bool __have_session(struct ceph_mds_client *mdsc, int mds)  in __have_session()  argument
785 	if (mds >= mdsc->max_sessions || !mdsc->sessions[mds])  in __have_session()
805 						 int mds)  in register_session()  argument
809 	if (mds >= mdsc->mdsmap->possible_max_rank)  in register_session()
816 	if (mds >= mdsc->max_sessions) {  in register_session()
817 		int newmax = 1 << get_count_order(mds + 1);  in register_session()
833 	dout("%s: mds%d\n", __func__, mds);  in register_session()
835 	s->s_mds = mds;  in register_session()
856 	mdsc->sessions[mds] = s;  in register_session()
860 	ceph_con_open(&s->s_con, CEPH_ENTITY_TYPE_MDS, mds,  in register_session()
861 		      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));  in register_session()
901 	int mds;  in ceph_mdsc_iterate_sessions()  local
904 	for (mds = 0; mds < mdsc->max_sessions; ++mds) {  in ceph_mdsc_iterate_sessions()
907 		s = __ceph_lookup_mds_session(mdsc, mds);  in ceph_mdsc_iterate_sessions()
1119 	int mds = -1;  in __choose_mds()  local
1205 				mds = frag.dist[r];  in __choose_mds()
1208 				     frag.frag, mds, (int)r, frag.ndist);  in __choose_mds()
1209 				if (ceph_mdsmap_get_state(mdsc->mdsmap, mds) >=  in __choose_mds()
1211 				    !ceph_mdsmap_is_laggy(mdsc->mdsmap, mds))  in __choose_mds()
1218 			if (frag.mds >= 0) {  in __choose_mds()
1220 				mds = frag.mds;  in __choose_mds()
1223 				     frag.frag, mds);  in __choose_mds()
1224 				if (ceph_mdsmap_get_state(mdsc->mdsmap, mds) >=  in __choose_mds()
1227 								  mds))  in __choose_mds()
1246 	mds = cap->session->s_mds;  in __choose_mds()
1248 	     inode, ceph_vinop(inode), mds,  in __choose_mds()
1253 	return mds;  in __choose_mds()
1259 	mds = ceph_mdsmap_get_random_mds(mdsc->mdsmap);  in __choose_mds()
1260 	dout("%s chose random mds%d\n", __func__, mds);  in __choose_mds()
1261 	return mds;  in __choose_mds()
1479 	int mds = session->s_mds;  in __open_session()  local
1482 	mstate = ceph_mdsmap_get_state(mdsc->mdsmap, mds);  in __open_session()
1483 	dout("open_session to mds%d (%s)\n", mds,  in __open_session()
1542 	int i, mds = session->s_mds;  in __open_export_target_sessions()  local
1544 	if (mds >= mdsc->mdsmap->possible_max_rank)  in __open_export_target_sessions()
1547 	mi = &mdsc->mdsmap->m_info[mds];  in __open_export_target_sessions()
2543 	int mds = session->s_mds;  in create_request_message()  local
2640 		      mds, req->r_inode_drop, req->r_inode_unless,  in create_request_message()
2644 				req->r_parent, mds, req->r_dentry_drop,  in create_request_message()
2648 				req->r_old_dentry_dir, mds,  in create_request_message()
2654 		      mds, req->r_old_inode_drop, req->r_old_inode_unless, 0);  in create_request_message()
2727 	int mds = session->s_mds;  in __prepare_send_request()  local
2757 			ceph_get_cap_for_mds(ceph_inode(req->r_inode), mds);  in __prepare_send_request()
2853 	int mds = -1;  in __do_request()  local
2895 	mds = __choose_mds(mdsc, req, &random);  in __do_request()
2896 	if (mds < 0 ||  in __do_request()
2897 	    ceph_mdsmap_get_state(mdsc->mdsmap, mds) < CEPH_MDS_STATE_ACTIVE) {  in __do_request()
2908 	session = __ceph_lookup_mds_session(mdsc, mds);  in __do_request()
2910 		session = register_session(mdsc, mds);  in __do_request()
2918 	dout("do_request mds%d session %p state %s\n", mds, session,  in __do_request()
2962 				req->r_resend_mds = mds;  in __do_request()
3009 		if (ci->i_ceph_flags & CEPH_I_ASYNC_CREATE && mds != cap->mds) {  in __do_request()
3020 			cap->mds = mds;  in __do_request()
3070 static void kick_requests(struct ceph_mds_client *mdsc, int mds)  in kick_requests()  argument
3075 	dout("kick_requests mds%d\n", mds);  in kick_requests()
3084 		    req->r_session->s_mds == mds) {  in kick_requests()
3247 	int mds = session->s_mds;  in handle_reply()  local
3279 			   head->safe ? "safe" : "unsafe", tid, mds);  in handle_reply()
3285 			   tid, mds);  in handle_reply()
3308 			dout("got safe reply %llu, mds%d\n", tid, mds);  in handle_reply()
3345 		pr_err("mdsc_handle_reply got corrupt reply mds%d(tid:%lld)\n", mds, tid);  in handle_reply()
3536 	int mds = session->s_mds;  in handle_session()  local
3600 	     mds, ceph_session_op_name(op), session,  in handle_session()
3688 		pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);  in handle_session()
3697 			kick_requests(mdsc, mds);  in handle_session()
3705 	pr_err("mdsc_handle_session corrupt message mds%d len %d\n", mds,  in handle_session()
4138 	int mds = session->s_mds;  in send_mds_reconnect()  local
4145 	pr_info("mds%d reconnect start\n", mds);  in send_mds_reconnect()
4186 		      CEPH_ENTITY_TYPE_MDS, mds,  in send_mds_reconnect()
4187 		      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));  in send_mds_reconnect()
4296 	pr_err("error %d preparing reconnect for mds%d\n", err, mds);  in send_mds_reconnect()
4488 	int mds = session->s_mds;  in handle_lease()  local
4495 	dout("handle_lease from mds%d\n", mds);  in handle_lease()
5075 	int mds;  in ceph_mdsc_force_umount()  local
5080 	for (mds = 0; mds < mdsc->max_sessions; mds++) {  in ceph_mdsc_force_umount()
5081 		session = __ceph_lookup_mds_session(mdsc, mds);  in ceph_mdsc_force_umount()
5100 		kick_requests(mdsc, mds);  in ceph_mdsc_force_umount()