270 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
310 	if (mnt->mnt_sb->s_readonly_remount)  in mnt_is_readonly()
376 	sb_start_write(m->mnt_sb);  in mnt_want_write()
379 		sb_end_write(m->mnt_sb);  in mnt_want_write()
454 	sb_end_write(mnt->mnt_sb);  in mnt_drop_write()
980 	mnt->mnt.mnt_sb		= fc->root->d_sb;  in vfs_create_mount()
986 	list_add_tail(&mnt->mnt_instance, &mnt->mnt.mnt_sb->s_mounts);  in vfs_create_mount()
1051 	struct super_block *sb = old->mnt.mnt_sb;  in clone_mnt()
1077 	mnt->mnt.mnt_sb = sb;  in clone_mnt()
1137 	deactivate_super(mnt->mnt.mnt_sb);  in cleanup_mnt()
1581 	struct super_block *sb = mnt->mnt.mnt_sb;  in do_umount()
2280 	if (mnt->mnt.mnt_sb->s_flags & SB_NOUSER)  in graft_tree()
2561 	struct super_block *sb = mnt->mnt_sb;  in mnt_warn_timestamp_expiry()
2588 	struct super_block *sb = path->mnt->mnt_sb;  in do_reconfigure_mnt()
2627 	struct super_block *sb = path->mnt->mnt_sb;  in do_remount()
2730 	if (from->mnt.mnt_sb != to->mnt.mnt_sb)  in do_set_group()
2889 	if (path->mnt->mnt_sb == newmnt->mnt.mnt_sb &&  in do_add_mount()
3014 	if (m->mnt_sb == path->mnt->mnt_sb &&  in finish_automount()
3506 	s = path.mnt->mnt_sb;  in mount_subtree()
3943 	if (!(m->mnt_sb->s_type->fs_flags & FS_ALLOW_IDMAP))  in can_idmap_mount()
3947 	if (m->mnt_sb->s_user_ns != &init_user_ns)  in can_idmap_mount()
4433 		if (mnt->mnt.mnt_sb->s_type != sb->s_type)  in mnt_already_visible()
4439 		if (mnt->mnt.mnt_root != mnt->mnt.mnt_sb->s_root)  in mnt_already_visible()
4446 		if (sb_rdonly(mnt->mnt.mnt_sb))  in mnt_already_visible()
4518 	       current_in_userns(mnt->mnt_sb->s_user_ns);  in mnt_may_suid()