[sshfs] [darcs-users] darcs on sshfs

[Miklos Szeredi]

> > Strategy (1) simply won't work, since there's no LINK call in sftp.
> 
> What's the error returned by link?  ENOSYS?

Yes.

> (I want to implement for fuse the same falling-back behaviour as we
> already have for FAT and SMB.)
> 
> > Strategy (2) will work and is safe as long as these minimum versions
> > are provided:
> 
> Interesting.  I guess I should have a look at sshfs again...

Thinking a bit more about it, actually all versions should be safe wrt
locking with O_EXCL.  The problem is rather with non-exclusive create:
if two opens race for creating the file, one of them may return EEXIST
which is not a legal error in this case.

So (2) should always be safe with sshfs.

Miklos