Re: knfsd and append-only attribute: "operation not permitted"

[Trond Myklebust]

fr den 21.01.2005 Klokka 17:44 (+0300) skreiv Vladimir Saveliev:
> Hello
> 
> On Thu, 2005-01-20 at 21:45, Aaron D.Ball wrote:
> > When I use the kernel-based NFS server to export directories on 
> > ReiserFS that have the append-only attribute set, I can't access the 
> > files from the client machines at all:  for example, "ls" returns 
> > "operation not permitted".  Is this a known bug?  Is there a good 
> > workaround?
> > 
> 
> It looks like the problem is not in reiserfs, but in nfsd.
> fs/nfsd/vfs.c:nfsd_open() refuses to open append only files.

Append-only is an unsupported concept in the all existing revisions of
the NFS protocol. In fact, NFS has no support for append writes at all:
they have to be emulated by the clients.

Cheers,
  Trond

-- 
Trond Myklebust <trond.myklebust@xxxxxxxxxx>

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