6739532 Mirror vdev returns ENXIO instead of ECKSUM

[neil.per...@sun.com]

Author: Neil Perrin <Neil.Perrin at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: fad192e9bc575871aeb1ac61ac3013dc9a03a3aa
Total changesets: 1
Log message:
6739532 Mirror vdev returns ENXIO instead of ECKSUM

Files:
        update: usr/src/uts/common/fs/zfs/vdev_mirror.c