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

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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@xxxxxx>
> ---
>  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@xxxxxxxx>



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