Rework most of inline-encryption.rst to be easier to follow, to correct some information, to add some important details and remove some unimportant details, and to take into account the renaming from blk_keyslot_manager to blk_crypto_profile. Reviewed-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20211018180453.40441-5-ebiggers@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk> (cherry picked from commit 8e9f666a6e66d3f882c094646d35536d2759103a) Bug: 160883801 Bug: 162257402 Bug: 207390665 Bug: 234653003 Change-Id: I8507fdca7afeac8868c12d705b5fa3db8ff1ee45 Signed-off-by: Eric Biggers <ebiggers@google.com>