158 	struct afs_super_info *as = AFS_FS_S(root->d_sb);  in afs_show_devname()  local
159 	struct afs_volume *volume = as->volume;  in afs_show_devname()
160 	struct afs_cell *cell = as->cell;  in afs_show_devname()
164 	if (as->dyn_root) {  in afs_show_devname()
192 	struct afs_super_info *as = AFS_FS_S(root->d_sb);  in afs_show_options()  local
195 	if (as->dyn_root)  in afs_show_options()
199 	switch (as->flock_mode) {  in afs_show_options()
421 	struct afs_super_info *as = AFS_FS_S(sb);  in afs_test_super()  local
423 	return (as->net_ns == fc->net_ns &&  in afs_test_super()
424 		as->volume &&  in afs_test_super()
425 		as->volume->vid == ctx->volume->vid &&  in afs_test_super()
426 		as->cell == ctx->cell &&  in afs_test_super()
427 		!as->dyn_root);  in afs_test_super()
432 	struct afs_super_info *as = AFS_FS_S(sb);  in afs_dynroot_test_super()  local
434 	return (as->net_ns == fc->net_ns &&  in afs_dynroot_test_super()
435 		as->dyn_root);  in afs_dynroot_test_super()
448 	struct afs_super_info *as = AFS_FS_S(sb);  in afs_fill_super()  local
460 	if (!as->dyn_root)  in afs_fill_super()
467 	if (as->dyn_root) {  in afs_fill_super()
470 		sprintf(sb->s_id, "%llu", as->volume->vid);  in afs_fill_super()
471 		afs_activate_volume(as->volume);  in afs_fill_super()
478 	if (ctx->autocell || as->dyn_root)  in afs_fill_super()
486 	if (as->dyn_root) {  in afs_fill_super()
493 		rcu_assign_pointer(as->volume->sb, sb);  in afs_fill_super()
507 	struct afs_super_info *as;  in afs_alloc_sbi()  local
509 	as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL);  in afs_alloc_sbi()
510 	if (as) {  in afs_alloc_sbi()
511 		as->net_ns = get_net(fc->net_ns);  in afs_alloc_sbi()
512 		as->flock_mode = ctx->flock_mode;  in afs_alloc_sbi()
514 			as->dyn_root = true;  in afs_alloc_sbi()
516 			as->cell = afs_use_cell(ctx->cell, afs_cell_trace_use_sbi);  in afs_alloc_sbi()
517 			as->volume = afs_get_volume(ctx->volume,  in afs_alloc_sbi()
521 	return as;  in afs_alloc_sbi()
524 static void afs_destroy_sbi(struct afs_super_info *as)  in afs_destroy_sbi()  argument
526 	if (as) {  in afs_destroy_sbi()
527 		struct afs_net *net = afs_net(as->net_ns);  in afs_destroy_sbi()
528 		afs_put_volume(net, as->volume, afs_volume_trace_put_destroy_sbi);  in afs_destroy_sbi()
529 		afs_unuse_cell(net, as->cell, afs_cell_trace_unuse_sbi);  in afs_destroy_sbi()
530 		put_net(as->net_ns);  in afs_destroy_sbi()
531 		kfree(as);  in afs_destroy_sbi()
537 	struct afs_super_info *as = AFS_FS_S(sb);  in afs_kill_super()  local
539 	if (as->dyn_root)  in afs_kill_super()
545 	if (as->volume)  in afs_kill_super()
546 		rcu_assign_pointer(as->volume->sb, NULL);  in afs_kill_super()
548 	if (as->volume)  in afs_kill_super()
549 		afs_deactivate_volume(as->volume);  in afs_kill_super()
550 	afs_destroy_sbi(as);  in afs_kill_super()
560 	struct afs_super_info *as;  in afs_get_tree()  local
571 	as = afs_alloc_sbi(fc);  in afs_get_tree()
572 	if (!as)  in afs_get_tree()
574 	fc->s_fs_info = as;  in afs_get_tree()
578 		     as->dyn_root ? afs_dynroot_test_super : afs_test_super,  in afs_get_tree()
598 	trace_afs_get_tree(as->cell, as->volume);  in afs_get_tree()
752 	struct afs_super_info *as = AFS_FS_S(dentry->d_sb);  in afs_statfs()  local
760 	if (as->dyn_root) {  in afs_statfs()
767 	op = afs_alloc_operation(NULL, as->volume);  in afs_statfs()