This series adds sysfs files that expose the inline encryption capabilities of request queues. Patches 1 and 2 are some related cleanups for existing blk-sysfs code. Patch 3 is the real change; see there for more details. This is based on top of my other patch series "[PATCH v2 0/8] docs: consolidate sysfs-block into Documentation/ABI/" (https://lore.kernel.org/r/20211208005640.102814-1-ebiggers@xxxxxxxxxx). Changed v2 => v3: - Moved the documentation into Documentation/ABI/stable/sysfs-block, and improved it a bit. - Write "/sys/block/" instead of "/sys/class/block/". - Added Reviewed-by tags. Changed v1 => v2: - Use sysfs_emit() instead of sprintf(). - Use __ATTR_RO(). Eric Biggers (3): block: simplify calling convention of elv_unregister_queue() block: don't delete queue kobject before its children blk-crypto: show crypto capabilities in sysfs Documentation/ABI/stable/sysfs-block | 49 ++++++++ block/Makefile | 3 +- block/blk-crypto-internal.h | 12 ++ block/blk-crypto-sysfs.c | 172 +++++++++++++++++++++++++++ block/blk-crypto.c | 3 + block/blk-sysfs.c | 17 ++- block/elevator.c | 8 +- include/linux/blkdev.h | 1 + 8 files changed, 255 insertions(+), 10 deletions(-) create mode 100644 block/blk-crypto-sysfs.c -- 2.34.1
