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commitb622ffe1d9upstream. Ensure that we always initialise the 'xattr_support' field in struct nfs_fsinfo, so that nfs_server_set_fsinfo() doesn't declare our NFSv2/v3 client to be capable of supporting the NFSv4.2 xattr protocol by setting the NFS_CAP_XATTR capability. This configuration can cause nfs_do_access() to set access mode bits that are unsupported by the NFSv3 ACCESS call, which may confuse spec-compliant servers. Reported-by: Olga Kornievskaia <kolga@netapp.com> Fixes:b78ef845c3("NFSv4.2: query the server for extended attribute support") Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.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.