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1c73b9d24f
Instead of having the convention where individual nfsd4_callback_ops->done operations return -1 to indicate the callback path is down, move the check to nfsd4_cb_done. Only mark the callback path down on transport-level errors, not NFS-level errors. The existing logic causes the server to set SEQ4_STATUS_CB_PATH_DOWN just because the client returned an error to a CB_RECALL for a delegation that the client had already done a FREE_STATEID for. But clearly that error doesn't mean that there's anything wrong with the backchannel. Additionally, handle NFS4ERR_DELAY in nfsd4_cb_recall_done. The client returns NFS4ERR_DELAY if it is already in the process of returning the delegation. Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> |
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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.