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Illumos 5049 - panic when removing log device 

Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Mattew Ahrens <mahrens@delphix.com>
Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Saso Kiselkov <skiselkov@gmail.com>
Approved by: Rich Lowe <richlowe@richlowe.net>

References:
  https://www.illumos.org/issues/5049
  https://github.com/illumos/illumos-gate/commit/2986efa

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2636
This commit is contained in:
Alex Reece 2014-09-04 16:08:28 -07:00 committed by Brian Behlendorf
parent 2078f21015
commit f38dfec3fd
1 changed files with 2 additions and 1 deletions
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3
module/zfs/vdev.c
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@ -2655,8 +2655,9 @@ vdev_get_stats(vdev_t *vd, vdev_stat_t *vs)
if (vd->vdev_ops->vdev_op_leaf)
vs->vs_rsize += VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE;
vs->vs_esize = vd->vdev_max_asize - vd->vdev_asize;
if (vd->vdev_aux == NULL && vd == vd->vdev_top)
if (vd->vdev_aux == NULL && vd == vd->vdev_top && !vd->vdev_ishole) {
vs->vs_fragmentation = vd->vdev_mg->mg_fragmentation;
}
/*
* If we're getting stats on the root vdev, aggregate the I/O counts