svn commit: r293708 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Alan Somers]

I referenced the wrong PR.  The correct PR is 205882.

On Mon, Jan 11, 2016 at 3:15 PM, Alan Somers <asomers at freebsd.org> wrote:
> Author: asomers
> Date: Mon Jan 11 22:15:46 2016
> New Revision: 293708
> URL: https://svnweb.freebsd.org/changeset/base/293708
>
> Log:
>   Fix importing l2arc device by guid
>
>   After r292066, vdev_geom verifies both the vdev and pool guids of device
>   labels during open. However, spare and l2arc devices don't have pool guids,
>   so opening them by guid will fail (opening by path, when the pathname is
>   known, still succeeds). This change allows a vdev to be opened by guid if
>   the label contains no pool_guid, which is the case for inactive spares and
>   l2arc devices.
>
>   PR:           292066
>   Reported by:  delphij
>   Reviewed by:  delphij, smh
>   MFC after:    2 weeks
>   Sponsored by: Spectra Logic Corp
>   Differential Revision:        https://reviews.freebsd.org/D4861
>