Author: smh
Date: Thu Sep 11 16:21:51 2014
New Revision: 271429
URL: http://svnweb.freebsd.org/changeset/base/271429
Log:
Persist vdev_resilver_txg changes to avoid panic caused by validation
vs a vdev_resilver_txg value from a previous resilver.
MFC after: 1 week
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Thu Sep 11
15:36:36 2014 (r271428)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Thu Sep 11
16:21:51 2014 (r271429)
@@ -1951,12 +1951,15 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t t
/*
* If the vdev was resilvering and no longer has any
- * DTLs then reset its resilvering flag.
+ * DTLs then reset its resilvering flag and dirty
+ * the top level so that we persist the change.
*/
if (vd->vdev_resilver_txg != 0 &&
range_tree_space(vd->vdev_dtl[DTL_MISSING]) == 0 &&
- range_tree_space(vd->vdev_dtl[DTL_OUTAGE]) == 0)
+ range_tree_space(vd->vdev_dtl[DTL_OUTAGE]) == 0) {
vd->vdev_resilver_txg = 0;
+ vdev_config_dirty(vd->vdev_top);
+ }
mutex_exit(&vd->vdev_dtl_lock);
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