taglinefilesource code
mount_root86fs/inode.cint fs_may_umount(dev_t dev, struct inode * mount_root)
mount_root92fs/inode.cif (inode == mount_root && inode->i_count == 1)
mount_root326include/linux/fs.hextern int fs_may_umount(dev_t dev, struct inode * mount_root);
mount_root374include/linux/fs.hextern void mount_root(void);
mount_root214kernel/blk_drv/genhd.cmount_root();