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[ Upstream commit59e45c758c] If a posix lock request is waiting for a result from user space (dlm_controld), do not let it be interrupted unless the process is killed. This reverts commita6b1533e9a("dlm: make posix locks interruptible"). The problem with the interruptible change is that all locks were cleared on any signal interrupt. If a signal was received that did not terminate the process, the process could continue running after all its dlm posix locks had been cleared. A future patch will add cancelation to allow proper interruption. Cc: stable@vger.kernel.org Fixes:a6b1533e9a("dlm: make posix locks interruptible") Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.