From 153b2285545509c082be56dbf3ba5041de5d6e48 Mon Sep 17 00:00:00 2001 From: Yuri Pankov Date: Wed, 26 Apr 2017 14:55:10 -0400 Subject: OpenZFS 7786 - zfs`vdev_online() needs better notification about state changes Authored by: Yuri Pankov Reviewed by: Matthew Ahrens Reviewed by: George Wilson Approved by: Albert Lee Reviewed-by: Giuseppe Di Natale Reviewed-by: Brian Behlendorf Ported-by: bunder2015 OpenZFS-issue: https://www.illumos.org/issues/7786 OpenZFS-commit: http://github.com/openzfs/openzfs/commit/db8498f Closes #6074 --- module/zfs/vdev.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c index caf92899d..da0639102 100644 --- a/module/zfs/vdev.c +++ b/module/zfs/vdev.c @@ -22,7 +22,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, 2015 by Delphix. All rights reserved. - * Copyright 2015 Nexenta Systems, Inc. All rights reserved. + * Copyright 2017 Nexenta Systems, Inc. * Copyright (c) 2014 Integros [integros.com] * Copyright 2016 Toomas Soome */ @@ -2530,7 +2530,8 @@ int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate) { vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev; - boolean_t postevent = B_FALSE; + boolean_t wasoffline; + vdev_state_t oldstate; spa_vdev_state_enter(spa, SCL_NONE); @@ -2540,9 +2541,8 @@ vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate) if (!vd->vdev_ops->vdev_op_leaf) return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); - postevent = - (vd->vdev_offline == B_TRUE || vd->vdev_tmpoffline == B_TRUE) ? - B_TRUE : B_FALSE; + wasoffline = (vd->vdev_offline || vd->vdev_tmpoffline); + oldstate = vd->vdev_state; tvd = vd->vdev_top; vd->vdev_offline = B_FALSE; @@ -2580,7 +2580,9 @@ vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate) spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); } - if (postevent) + if (wasoffline || + (oldstate < VDEV_STATE_DEGRADED && + vd->vdev_state >= VDEV_STATE_DEGRADED)) spa_event_notify(spa, vd, ESC_ZFS_VDEV_ONLINE); return (spa_vdev_state_exit(spa, vd, 0)); -- cgit v1.2.3