svn commit: r301010 - in head/sys: cddl/contrib/opensolaris/common/zfs cddl/contrib/opensolaris/uts/common cddl/contrib/opensolaris/uts/common/fs/zfs cddl/contrib/opensolaris/uts/common/fs/zfs/sys ...

[Jan Beich]

Allan Jude <allanjude at FreeBSD.org> writes:

> Author: allanjude
> Date: Tue May 31 04:12:14 2016
> New Revision: 301010
> URL: https://svnweb.freebsd.org/changeset/base/301010
>
> Log:
>   Connect the SHA-512t256 and Skein hashing algorithms to ZFS
>   
>   Support for the new hashing algorithms in ZFS was introduced in r289422
>   However it was disconnected because FreeBSD lacked implementations of
>   SHA-512 (truncated to 256 bits), and Skein.
>   
>   These implementations were introduced in r300921 and r300966 respectively
>   
>   This commit connects them to ZFS and enabled these new checksum algorithms
>   
>   This new algorithms are not supported by the boot blocks, so do not use them
>   on your root dataset if you boot from ZFS.

Can you document the feature and booting caveat in zpool-features(7) manpage?
And Illumos seems to limit booting support to pools vs. datasets.

  Booting off of pools using skein is NOT supported -- any attempt to
  enable skein on a root pool will fail with an error.

https://illumos.org/man/5/zpool-features
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