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06bea44b93
commit e221c45da3770962418fb30c27d941bbc70d595a upstream. The 'NFS error' NFSERR_OPNOTSUPP is not described by any of the official NFS related RFCs, but appears to have snuck into some older .x files for NFSv2. Either way, it is not in RFC1094, RFC1813 or any of the NFSv4 RFCs, so should not be returned by the knfsd server, and particularly not by the "LOOKUP" operation. Instead, let's return NFSERR_STALE, which is more appropriate if the filesystem encodes the filehandle as FILEID_INVALID. Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.