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Re: [Ocfs2-devel] [PATCH 26/27] block: uncouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
- To: Christoph Hellwig via Ocfs2-devel <ocfs2-devel@xxxxxxxxxxxxxx>
- From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
- Date: Wed, 06 Apr 2022 23:36:52 -0400
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- Cc: Jens Axboe <axboe@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, dm-devel@xxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, cluster-devel@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, ntfs3@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
- Delivery-date: Thu, 07 Apr 2022 03:42:32 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Christoph,
> 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.
Great!
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
--
Martin K. Petersen Oracle Linux Engineering
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