Re: openat(..., AT_UNLINKED) was Re: New copyfile system call - discuss before LSF?

Myklebust, Trond
2013-03-31T18:44:58Z

On Sun, 2013-03-31 at 20:32 +0200, Pavel Machek wrote:
> > > > > Hmm. open_deleted_file() will still need to get a directory... so it
> > > > > will still need a path. Perhaps open("/foo/bar/mnt", O_DELETED) would
> > > > > be acceptable interface?
> > > >
> > > > ...and what's the big plan to make this work on anything other than ext4 and btrfs?
> > >
> > > Deleted but open files are from original unix, so it should work on
> > > anything unixy (minix, ext, ext2, ...).
> >
> > minix, ext, ext2... are not under active development and haven't been
> > for more than a decade.
> >
> > Take a look at how many actively used filesystems out there that have
> > some variant of sillyrename(), and explain what you want to do in those
> > cases.
>
> Well. Yes, there are non-unix filesystems around. You have to deal
> with silly files on them, and this will not be different.

So this would be a local POSIX filesystem only solution to a problem
that has yet to be formulated?

--
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@netapp.com