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fe0e9580e2
Normally, NFSv4 callback operations are supposed to be sent to the client as soon as they are queued up. In a moment, I will introduce a recovery path where the server has to wait for the client to reconnect. We don't want a hard busy wait here -- the callback should be requeued to try again in several milliseconds. For now, convert nfsd4_callback from struct work_struct to struct delayed_work, and queue with a zero delay argument. This should avoid behavior changes for current operation. Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Benjamin Coddington <bcodding@redhat.com> 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.