K 10
svn:author
V 2
mm
K 8
svn:date
V 27
2012-01-05T22:31:25.393906Z
K 7
svn:log
V 187
MFC r226617 (pjd):

zfs vdev_file_io_start: validate vdev before using vdev_tsd

vdev_tsd can be NULL for certain vdev states.
At least in userland testing with ztest.

Submitted by:	avg

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