35  * cell->fs_lock.
37 static struct afs_server *afs_find_server_by_uuid(struct afs_cell *cell, const uuid_t *uuid)  in afs_find_server_by_uuid()  argument
45 	p = cell->fs_servers.rb_node;  in afs_find_server_by_uuid()
66  * Install a server record in the cell tree.  The caller must hold an exclusive
67  * lock on cell->fs_lock.
69 static struct afs_server *afs_install_server(struct afs_cell *cell,  in afs_install_server()  argument
73 	struct afs_net *net = cell->net;  in afs_install_server()
80 	pp = &cell->fs_servers.rb_node;  in afs_install_server()
98 	rb_insert_color(&server->uuid_rb, &cell->fs_servers);  in afs_install_server()
103 	afs_get_cell(cell, afs_cell_trace_get_server);  in afs_install_server()
113 static struct afs_server *afs_alloc_server(struct afs_cell *cell, const uuid_t *uuid)  in afs_alloc_server()  argument
116 	struct afs_net *net = cell->net;  in afs_alloc_server()
138 	server->cell = cell;  in afs_alloc_server()
160 	if (afs_begin_vlserver_operation(&vc, server->cell, key)) {  in afs_vl_lookup_addrs()
178 struct afs_server *afs_lookup_server(struct afs_cell *cell, struct key *key,  in afs_lookup_server()  argument
186 	_enter("%p,%pU", cell->net, uuid);  in afs_lookup_server()
188 	down_read(&cell->fs_lock);  in afs_lookup_server()
189 	server = afs_find_server_by_uuid(cell, uuid);  in afs_lookup_server()
191 	up_read(&cell->fs_lock);  in afs_lookup_server()
202 	candidate = afs_alloc_server(cell, uuid);  in afs_lookup_server()
208 	down_write(&cell->fs_lock);  in afs_lookup_server()
209 	server = afs_install_server(cell, &candidate);  in afs_lookup_server()
212 		up_write(&cell->fs_lock);  in afs_lookup_server()
220 	up_write(&cell->fs_lock);  in afs_lookup_server()
235 		ret = afs_fs_probe_fileserver(cell->net, server, alist, key);  in afs_lookup_server()
247 		afs_dec_servers_outstanding(cell->net);  in afs_lookup_server()
257 		afs_put_server(cell->net, server, afs_server_trace_unuse_create_fail);  in afs_lookup_server()
266 	down_write(&cell->fs_lock);  in afs_lookup_server()
278 	afs_unuse_server(cell->net, server, afs_server_trace_unuse_create_fail);  in afs_lookup_server()
281 	up_write(&cell->fs_lock);  in afs_lookup_server()
361 		    READ_ONCE(server->cell->state) >= AFS_CELL_REMOVING)  in afs_unuse_server_notime()
379 		    READ_ONCE(server->cell->state) < AFS_CELL_REMOVING) {  in afs_unuse_server()
400 	afs_put_cell(server->cell, afs_cell_trace_put_server);  in afs_server_rcu()
429 	if (server->cell->net->live ||  in afs_has_server_expired()
430 	    server->cell->state >= AFS_CELL_REMOVING) {  in afs_has_server_expired()
445  * Remove a server record from it's parent cell's database.
449 	struct afs_cell *cell = server->cell;  in afs_remove_server_from_cell()  local
451 	down_write(&cell->fs_lock);  in afs_remove_server_from_cell()
454 		up_write(&cell->fs_lock);  in afs_remove_server_from_cell()
461 	rb_erase(&server->uuid_rb, &cell->fs_servers);  in afs_remove_server_from_cell()
462 	up_write(&cell->fs_lock);  in afs_remove_server_from_cell()
470 	struct afs_net *net = server->cell->net;  in afs_server_destroyer()
510  * Wake up all the servers in a cell so that they can purge themselves.
512 void afs_purge_servers(struct afs_cell *cell)  in afs_purge_servers()  argument
517 	down_read(&cell->fs_lock);  in afs_purge_servers()
518 	for (rb = rb_first(&cell->fs_servers); rb; rb = rb_next(rb)) {  in afs_purge_servers()
523 	up_read(&cell->fs_lock);  in afs_purge_servers()