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SubjectRe: unlink(nonexistent): EROFS or ENOENT?
29.05.2011 20:08, Michael Tokarev пишет:
> Hello.
>
> Just noticed that at least on ext4, unlinking a
> non-existing file from a read-only filesystem
> results in EROFS instead of ENOENT. I'd expect
> it return ENOENT - it is more logical, at least
> in my opinion.

http://pubs.opengroup.org/onlinepubs/009695399/functions/unlink.html
this case is quite clear:

[EROFS]
The directory entry to be unlinked
is part of a read-only file system

Ie, the entry is a _part_ of a file system, so it should be
_existing_ entry to start with.

> For one, (readonly) NFS mount returns ENOENT in
> this case.
>
> Thanks!

/mjt
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