Re: [PATCH] nfsd: Make creates return EEXIST correctly instead of EPERM

Oleg Drokin
2016-07-09T02:58:57Z

On Jul 8, 2016, at 10:52 PM, Al Viro wrote:

> On Fri, Jul 08, 2016 at 11:59:50AM -0400, Oleg Drokin wrote:
>
>> "If path names a symbolic link, mkdir() shall fail and set errno to [EEXIST]."
>>
>> This sounds pretty straightforward to me, no?
>> Since it does not matter that we do not have write permissions here, because
>> the name already exists.
>
> When more than one condition applies, we have every right to return any of
> them. POSIX does *NOT* specify the order of checks. Never had.

Out of curiosity, why does filename_create() delay EROFS then?