Re: [PATCH 26/27] block: uncouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD

David Sterba
2022-04-07T15:32:35Z

On Wed, Apr 06, 2022 at 08:05:15AM +0200, Christoph Hellwig wrote:
> Secure erase is a very different operation from discard in that it is
> a data integrity operation vs hint. Fully split the limits and helper
> infrastructure to make the separation more clear.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> block/blk-core.c | 2 +-
> block/blk-lib.c | 64 ++++++++++++++++++++---------
> block/blk-mq-debugfs.c | 1 -
> block/blk-settings.c | 16 +++++++-
> block/fops.c | 2 +-
> block/ioctl.c | 43 +++++++++++++++----
> drivers/block/drbd/drbd_receiver.c | 5 ++-
> drivers/block/rnbd/rnbd-clt.c | 4 +-
> drivers/block/rnbd/rnbd-srv-dev.h | 2 +-
> drivers/block/xen-blkback/blkback.c | 15 +++----
> drivers/block/xen-blkback/xenbus.c | 5 +--
> drivers/block/xen-blkfront.c | 5 ++-
> drivers/md/bcache/alloc.c | 2 +-
> drivers/md/dm-table.c | 8 ++--
> drivers/md/dm-thin.c | 4 +-
> drivers/md/md.c | 2 +-
> drivers/md/raid5-cache.c | 6 +--
> drivers/mmc/core/queue.c | 2 +-
> drivers/nvme/target/io-cmd-bdev.c | 2 +-
> drivers/target/target_core_file.c | 2 +-
> drivers/target/target_core_iblock.c | 2 +-

For

> fs/btrfs/extent-tree.c | 4 +-

Acked-by: David Sterba <dsterba@suse.com>