[bug #17877] Invalid "No such file or directory" error on filesystem without stable inode numbers

[Miklos Szeredi]

Follow-up Comment #5, bug #17877 (project findutils):

BTW, POSIX isn't all that clear about inode numbers.  Take this example:

touch x
rm x
mkfifo y

Is x and y the same file?  Obviously not.  Can they have the same inode
number?  Yes, filesystems do reuse inode numbers.

So is st_ino a unique identifier for a file within a filesystem?
Yes, but only at a given instant.  Of course you may know that a file has not
been deleted by holding a reference to it (file descriptor or cwd).  Otherwise
inode numbers are hints at best.


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