我遇到以下问题： 我无法删除特定文件
$ ls -l
ls: cannot access fisier: Input/output error
total 0
d????????? ? ? ? ? ? fisier
$ rm -rf fisier
rm: cannot remove ‘fisier’: Permission denied
$ sudo rm -rf fisier
[sudo] password for myusername:
rm: cannot remove ‘fisier’: Is a directory