From 950cd7acd6af8921c2a2a8a4d3c5297e814d3742 Mon Sep 17 00:00:00 2001 From: mav Date: Wed, 12 Oct 2016 05:20:06 +0000 Subject: MFC r305224: MFV r304158: 7136 ESC_VDEV_REMOVE_AUX ought to always include vdev information 7115 6922 generates ESC_ZFS_VDEV_REMOVE_AUX a bit too often illumos/illumos-gate@b72b6bb10ad55121a1b352c6f68ebdc8e20c9086 https://github.com/illumos/illumos-gate/commit/b72b6bb10ad55121a1b352c6f68ebdc8e 20c9086 https://www.illumos.org/issues/7136 6922 added ESC_ZFS_VDEV_REMOVE_AUX and ESC_ZFS_VDEV_REMOVE_DEV sysevents whenever an aux device gets removed from a pool. However, those sysevents will be created without the vdev_guid and vdev_path fields. It would be better to always populate those fields. https://www.illumos.org/issues/7115 The addition of spa_event_notify in vdev removal code (see #6922) causes event s to be generated even if the spare failed to be removed with EBUSY. Reviewed by: George Wilson Reviewed by: Josef 'Jeff' Sipek Approved by: Robert Mustacchi Author: Alan Somers --- .../contrib/opensolaris/uts/common/fs/zfs/spa.c | 57 ++++++++++++++++------ 1 file changed, 41 insertions(+), 16 deletions(-) (limited to 'sys/cddl') diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c index cc24390..0258747 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c @@ -151,6 +151,8 @@ const zio_taskq_info_t zio_taskqs[ZIO_TYPES][ZIO_TASKQ_TYPES] = { { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, /* IOCTL */ }; +static sysevent_t *spa_event_create(spa_t *spa, vdev_t *vd, const char *name); +static void spa_event_post(sysevent_t *ev); static void spa_sync_version(void *arg, dmu_tx_t *tx); static void spa_sync_props(void *arg, dmu_tx_t *tx); static boolean_t spa_has_active_shared_spare(spa_t *spa); @@ -5738,6 +5740,7 @@ int spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) { vdev_t *vd; + sysevent_t *ev = NULL; metaslab_group_t *mg; nvlist_t **spares, **l2cache, *nv; uint64_t txg = 0; @@ -5761,6 +5764,9 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) * in this pool. */ if (vd == NULL || unspare) { + if (vd == NULL) + vd = spa_lookup_by_guid(spa, guid, B_TRUE); + ev = spa_event_create(spa, vd, ESC_ZFS_VDEV_REMOVE_AUX); spa_vdev_remove_aux(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, spares, nspares, nv); spa_load_spares(spa); @@ -5768,7 +5774,6 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) } else { error = SET_ERROR(EBUSY); } - spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE_AUX); } else if (spa->spa_l2cache.sav_vdevs != NULL && nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && @@ -5776,11 +5781,12 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) /* * Cache devices can always be removed. */ + vd = spa_lookup_by_guid(spa, guid, B_TRUE); + ev = spa_event_create(spa, vd, ESC_ZFS_VDEV_REMOVE_AUX); spa_vdev_remove_aux(spa->spa_l2cache.sav_config, ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); spa_load_l2cache(spa); spa->spa_l2cache.sav_sync = B_TRUE; - spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE_AUX); } else if (vd != NULL && vd->vdev_islog) { ASSERT(!locked); ASSERT(vd == vd->vdev_top); @@ -5817,9 +5823,9 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) /* * Clean up the vdev namespace. */ + ev = spa_event_create(spa, vd, ESC_ZFS_VDEV_REMOVE_DEV); spa_vdev_remove_from_namespace(spa, vd); - spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE_DEV); } else if (vd != NULL) { /* * Normal vdevs cannot be removed (yet). @@ -5835,6 +5841,9 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) if (!locked) error = spa_vdev_exit(spa, NULL, txg, error); + if (ev) + spa_event_post(ev); + return (error); } @@ -7229,24 +7238,17 @@ spa_has_active_shared_spare(spa_t *spa) return (B_FALSE); } -/* - * Post a sysevent corresponding to the given event. The 'name' must be one of - * the event definitions in sys/sysevent/eventdefs.h. The payload will be - * filled in from the spa and (optionally) the vdev. This doesn't do anything - * in the userland libzpool, as we don't want consumers to misinterpret ztest - * or zdb as real changes. - */ -void -spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) +static sysevent_t * +spa_event_create(spa_t *spa, vdev_t *vd, const char *name) { + sysevent_t *ev = NULL; #ifdef _KERNEL - sysevent_t *ev; sysevent_attr_list_t *attr = NULL; sysevent_value_t value; - sysevent_id_t eid; ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", SE_SLEEP); + ASSERT(ev != NULL); value.value_type = SE_DATA_TYPE_STRING; value.value.sv_string = spa_name(spa); @@ -7278,11 +7280,34 @@ spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) goto done; attr = NULL; - (void) log_sysevent(ev, SE_SLEEP, &eid); - done: if (attr) sysevent_free_attr(attr); + +#endif + return (ev); +} + +static void +spa_event_post(sysevent_t *ev) +{ +#ifdef _KERNEL + sysevent_id_t eid; + + (void) log_sysevent(ev, SE_SLEEP, &eid); sysevent_free(ev); #endif } + +/* + * Post a sysevent corresponding to the given event. The 'name' must be one of + * the event definitions in sys/sysevent/eventdefs.h. The payload will be + * filled in from the spa and (optionally) the vdev. This doesn't do anything + * in the userland libzpool, as we don't want consumers to misinterpret ztest + * or zdb as real changes. + */ +void +spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) +{ + spa_event_post(spa_event_create(spa, vd, name)); +} -- cgit v1.1