Comment 2 for bug 1849665

With the fix:

root@eoan-amd64-efi:/home/cking# mkdir /zfs-test
root@eoan-amd64-efi:/home/cking# cd /zfs-test
root@eoan-amd64-efi:/zfs-test# truncate -s 10G file.img
root@eoan-amd64-efi:/zfs-test# zpool create -o ashift=12 -O acltype=posixacl -O compression=lz4 -O xattr=sa -O normalization=formD -O dnodesize=auto tank $(pwd)/file.img
root@eoan-amd64-efi:/zfs-test# zfs create tank/d1 -o encryption=on -o keyformat=passphrase
Enter passphrase:
Re-enter passphrase:
root@eoan-amd64-efi:/zfs-test# dd if=/dev/urandom bs=4k of=/tank/d1/somedata.bin count=10240
10240+0 records in
10240+0 records out
41943040 bytes (42 MB, 40 MiB) copied, 0.238499 s, 176 MB/s
root@eoan-amd64-efi:/zfs-test# zfs snapshot tank/d1@s1
root@eoan-amd64-efi:/zfs-test# dd if=/dev/urandom bs=4k of=/tank/d1/somedata2.bin count=10240
10240+0 records in
10240+0 records out
41943040 bytes (42 MB, 40 MiB) copied, 0.228746 s, 183 MB/s
root@eoan-amd64-efi:/zfs-test# zfs diff tank/d1@s1 tank/d1
+ /tank/d1/somedata2.bin
M /tank/d1/