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89c905becc
NFSv4 clients are automatically expired and all their locks removed if they don't contact the server for a certain amount of time (the lease period, 90 seconds by default). There can still be situations where that's not enough, so allow userspace to force expiry by writing "expire\n" to the new nfsd/client/#/ctl file. (The generic "ctl" name is because I expect we may want to allow other operations on clients in the future.) The write will not return until the client is expired and all of its locks and other state removed. The fault injection code also provides a way of expiring clients, but it fails if there are any in-progress RPC's referencing the client. Also, its method of selecting a client to expire is a little more primitive--it uses an IP address, which can't always uniquely specify an NFSv4 client. Signed-off-by: J. Bruce Fields <bfields@redhat.com> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.