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It returns following attributes: locking range start locking range length read lock enabled write lock enabled lock state (RW, RO or LK) It can be retrieved by user authority provided the authority was added to locking range via prior IOC_OPAL_ADD_USR_TO_LR ioctl command. The command was extended to add user in ACE that allows to read attributes listed above. Signed-off-by: Ondrej Kozina <okozina@redhat.com> Tested-by: Luca Boccassi <bluca@debian.org> Tested-by: Milan Broz <gmazyland@gmail.com> Link: https://lore.kernel.org/r/20230405111223.272816-6-okozina@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.