272 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
312 	if (READ_ONCE(mnt->mnt_sb->s_readonly_remount))  in mnt_is_readonly()
403 	sb_start_write(m->mnt_sb);  in mnt_want_write()
406 		sb_end_write(m->mnt_sb);  in mnt_want_write()
481 	sb_end_write(mnt->mnt_sb);  in mnt_drop_write()
1098 	mnt->mnt.mnt_sb		= fc->root->d_sb;  in vfs_create_mount()
1104 	list_add_tail(&mnt->mnt_instance, &mnt->mnt.mnt_sb->s_mounts);  in vfs_create_mount()
1169 	struct super_block *sb = old->mnt.mnt_sb;  in clone_mnt()
1194 	mnt->mnt.mnt_sb = sb;  in clone_mnt()
1254 	deactivate_super(mnt->mnt.mnt_sb);  in cleanup_mnt()
1709 	struct super_block *sb = mnt->mnt.mnt_sb;  in do_umount()
2513 	if (mnt->mnt.mnt_sb->s_flags & SB_NOUSER)  in graft_tree()
2794 	struct super_block *sb = mnt->mnt_sb;  in mnt_warn_timestamp_expiry()
2828 	struct super_block *sb = path->mnt->mnt_sb;  in do_reconfigure_mnt()
2867 	struct super_block *sb = path->mnt->mnt_sb;  in do_remount()
2975 	if (from->mnt.mnt_sb != to->mnt.mnt_sb)  in do_set_group()
3250 	if (path->mnt->mnt_sb == newmnt->mnt.mnt_sb && path_mounted(path))  in do_add_mount()
3380 	if (m->mnt_sb == path->mnt->mnt_sb &&  in finish_automount()
3870 	s = path.mnt->mnt_sb;  in mount_subtree()
4299 	struct user_namespace *fs_userns = m->mnt_sb->s_user_ns;  in can_idmap_mount()
4308 	if (!check_fsmapping(kattr->mnt_idmap, m->mnt_sb))  in can_idmap_mount()
4320 	if (!(m->mnt_sb->s_type->fs_flags & FS_ALLOW_IDMAP))  in can_idmap_mount()
4858 		if (mnt->mnt.mnt_sb->s_type != sb->s_type)  in mnt_already_visible()
4864 		if (mnt->mnt.mnt_root != mnt->mnt.mnt_sb->s_root)  in mnt_already_visible()
4871 		if (sb_rdonly(mnt->mnt.mnt_sb))  in mnt_already_visible()
4943 	       current_in_userns(mnt->mnt_sb->s_user_ns);  in mnt_may_suid()