A future patch will remove refcounting on svc_serv as it is of little use. It is currently used to keep the svc around while the pool_stats file is open. Change this to get the pointer, protected by the mutex, only in seq_start, and the release the mutex in seq_stop. This means that if the nfsd server is stopped and restarted while the pool_stats file it open, then some pool stats info could be from the first instance and some from the second. This might appear odd, but is unlikely to be a problem in practice. Signed-off-by: NeilBrown <neilb@suse.de> Reviewed-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 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.
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