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authorGeorge Melikov <[email protected]>2017-02-02 00:14:02 +0300
committerBrian Behlendorf <[email protected]>2017-02-01 13:14:02 -0800
commit0f676dc228862ce0b4f9e27d06d394e9cbaa32e3 (patch)
treed922e67aa35cbdb12b57fc19324e3c8473c7e940 /module/zfs/vdev.c
parent3b6425cb5bfd0fc2a14eee451ba36873318a96d9 (diff)
OpenZFS 7072 - zfs fails to expand if lun added when os is in shutdown state
Authored by: George Wilson <[email protected]> Reviewed by: Igor Kozhukhov <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Prakash Surya <[email protected]> Reviewed by: Alex Reece <[email protected]> Approved by: Dan McDonald <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Ported-by: George Melikov <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/7072 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/c39a2aa Closes #5694 Porting notes: - vdev.c: 'vdev_get_stats' changes are moved to 'vdev_get_stats_ex'. - vdev_disk.c: ignored, Linux specific code is different.
Diffstat (limited to 'module/zfs/vdev.c')
-rw-r--r--module/zfs/vdev.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index c9bff69e2..e741a6998 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -2900,6 +2900,7 @@ vdev_get_stats_ex_impl(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx)
void
vdev_get_stats_ex(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx)
{
+ vdev_t *tvd = vd->vdev_top;
mutex_enter(&vd->vdev_stat_lock);
if (vs) {
bcopy(&vd->vdev_stat, vs, sizeof (*vs));
@@ -2909,6 +2910,17 @@ vdev_get_stats_ex(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx)
if (vd->vdev_ops->vdev_op_leaf)
vs->vs_rsize += VDEV_LABEL_START_SIZE +
VDEV_LABEL_END_SIZE;
+ /*
+ * Report expandable space on top-level, non-auxillary devices
+ * only. The expandable space is reported in terms of metaslab
+ * sized units since that determines how much space the pool
+ * can expand.
+ */
+ if (vd->vdev_aux == NULL && tvd != NULL) {
+ vs->vs_esize = P2ALIGN(
+ vd->vdev_max_asize - vd->vdev_asize,
+ 1ULL << tvd->vdev_ms_shift);
+ }
vs->vs_esize = vd->vdev_max_asize - vd->vdev_asize;
if (vd->vdev_aux == NULL && vd == vd->vdev_top &&
!vd->vdev_ishole) {