block: sed-opal: ioctl for writing to shadow mbr

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Allow modification of the shadow mbr. If the shadow mbr is not marked as
done, this data will be presented read only as the device content. Only
after marking the shadow mbr as done and unlocking a locking range the
actual content is accessible.

Co-authored-by: David Kozub <zub@linux.fjfi.cvut.cz>
Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de>
Signed-off-by: David Kozub <zub@linux.fjfi.cvut.cz>
Reviewed-by: Scott Bauer <sbauer@plzdonthack.me>
Reviewed-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

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Jonas Rabenstein 2019-05-21 22:46:45 +02:00 • committed by Jens Axboe

parent c988844341

commit a9b25b4cf2

3 changed files with 98 additions and 2 deletions

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include/uapi/linux/sed-opal.h

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