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Re: [f2fs-dev] [PATCH 26/27] block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
- To: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>
- From: Chao Yu <chao@xxxxxxxxxx>
- Date: Sat, 16 Apr 2022 10:28:49 +0800
- Cc: 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, David Sterba <dsterba@xxxxxxxx>, Jaegeuk Kim <jaegeuk@xxxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx, Coly Li <colyli@xxxxxxx>, Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>, linux-raid@xxxxxxxxxxxxxxx, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>, linux-mmc@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx>, ocfs2-devel@xxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, ntfs3@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
- Delivery-date: Sat, 16 Apr 2022 13:42:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2022/4/15 12:52, 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>
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Acked-by: Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx> [drbd]
Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> [nifs2]
Acked-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> [f2fs]
Acked-by: Coly Li <colyli@xxxxxxx> [bcache]
Acked-by: David Sterba <dsterba@xxxxxxxx> [btrfs]
For f2fs part,
Acked-by: Chao Yu <chao@xxxxxxxxxx>
Thanks,
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