Bug+bugfix in sftp-server : failed to rename file on sshfs mount

Ben Lindstrom mouring at eviladmin.org
Sat Nov 8 02:34:17 EST 2008

On Nov 6, 2008, at 3:44 PM, Johan Kielbaey wrote:

> 2008/11/5 Ben Lindstrom <mouring at eviladmin.org>:
>> Without seeing the patch I can't judge it.
>> However, why is sshfs failure to implement things right an OpenSSH  
>> bug?
> Point taken. I guess I explained myself wrong. Obviously the fact that
> sshfs doesn't implement the link() call is not an OpenSSH bug. From my
> understanding the SFTPv3 protocol doesn't feature creation of hard
> links.
> sftp-server falls back to the rename() syscall if the link() syscall
> fails with certain error codes. EOPNOTSUPP is such an errorcode. Sshfs
> however returns ENOSYS, which is not such as errorcode.

So what Linux filesystem returns ENOSYS?  I'm a little confused  
because normally Linux returns EOPNOTSUPP for filesystem things.

- Ben

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