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67e4d8c51d
This patch adds a additional check if lkb->lkb_wait_count is non zero as it is done in validate_unlock_args() to check if any operation is in progress. While on it add a comment taken from validate_unlock_args() to signal what the check is doing. There might be no changes because if lkb->lkb_wait_type is non zero implies that lkb->lkb_wait_count is non zero. However we should add the check as it does validate_unlock_args(). Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.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.