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authorsmh <smh@FreeBSD.org>2014-09-11 16:21:51 +0000
committersmh <smh@FreeBSD.org>2014-09-11 16:21:51 +0000
commitc3c60bff50b0742fb9c0f4e07ace86ea772ef637 (patch)
treed09b6db4425ffc7c93c4058c885df02dacc6012c
parente12a77b0cbb6b4c18eaeeedf28d9b22db5e5f23e (diff)
downloadFreeBSD-src-c3c60bff50b0742fb9c0f4e07ace86ea772ef637.zip
FreeBSD-src-c3c60bff50b0742fb9c0f4e07ace86ea772ef637.tar.gz
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
-rw-r--r--sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
index 0c599b1..7eac42c 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
@@ -1951,12 +1951,15 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
/*
* 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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