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Now that the preparation of an rq_vec has been removed from the generic read path, nfsd_splice_read() no longer needs to reset rq_next_page. nfsd4_encode_read() calls nfsd_splice_read() directly. As far as I can ascertain, resetting rq_next_page for NFSv4 splice reads is unnecessary because rq_next_page is already set correctly. Moreover, resetting it might even be incorrect if previous operations in the COMPOUND have already consumed at least a page of the send buffer. I would expect that the result would be encoding the READ payload over previously-encoded results. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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.