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This is used in conjunction with IOC_OPAL_REVERT_TPR to return a drive to Original Factory State without erasing the data. If IOC_OPAL_REVERT_LSP is called with opal_revert_lsp.options bit OPAL_PRESERVE set prior to calling IOC_OPAL_REVERT_TPR, the drive global locking range will not be erased. Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Link: https://lore.kernel.org/r/20230721211534.3437070-3-gjoyce@linux.vnet.ibm.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.