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deleg_reaper() will walk the client_lru list and put any suitable entries onto "cblist" using the cl_ra_cblist pointer. It then walks the objects outside the spinlock and queues callbacks for them. None of the operations that deleg_reaper() does outside the nn->client_lock are blocking operations. Just queue their workqueue jobs under the nn->client_lock instead. Also, the NFSD4_CLIENT_CB_RECALL_ANY and NFSD4_CALLBACK_RUNNING flags serve an identical purpose now. Drop the NFSD4_CLIENT_CB_RECALL_ANY flag and just use the one in the callback. Signed-off-by: Jeff Layton <jlayton@kernel.org> 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 reStructuredText 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.