/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2016 Toomas Soome <tsoome@me.com>
*/
int zfs_scan_ignore_errors = 0;
+int vdev_validate_skip = B_FALSE;
+
+/*PRINTFLIKE2*/
+void
+vdev_dbgmsg(vdev_t *vd, const char *fmt, ...)
+{
+ va_list adx;
+ char buf[256];
+
+ va_start(adx, fmt);
+ (void) vsnprintf(buf, sizeof (buf), fmt, adx);
+ va_end(adx);
+
+ if (vd->vdev_path != NULL) {
+ zfs_dbgmsg("%s vdev '%s': %s", vd->vdev_ops->vdev_op_type,
+ vd->vdev_path, buf);
+ } else {
+ zfs_dbgmsg("%s-%llu vdev (guid %llu): %s",
+ vd->vdev_ops->vdev_op_type,
+ (u_longlong_t)vd->vdev_id,
+ (u_longlong_t)vd->vdev_guid, buf);
+ }
+}
+
+void
+vdev_dbgmsg_print_tree(vdev_t *vd, int indent)
+{
+ char state[20];
+
+ if (vd->vdev_ishole || vd->vdev_ops == &vdev_missing_ops) {
+ zfs_dbgmsg("%*svdev %u: %s", indent, "", vd->vdev_id,
+ vd->vdev_ops->vdev_op_type);
+ return;
+ }
+
+ switch (vd->vdev_state) {
+ case VDEV_STATE_UNKNOWN:
+ (void) snprintf(state, sizeof (state), "unknown");
+ break;
+ case VDEV_STATE_CLOSED:
+ (void) snprintf(state, sizeof (state), "closed");
+ break;
+ case VDEV_STATE_OFFLINE:
+ (void) snprintf(state, sizeof (state), "offline");
+ break;
+ case VDEV_STATE_REMOVED:
+ (void) snprintf(state, sizeof (state), "removed");
+ break;
+ case VDEV_STATE_CANT_OPEN:
+ (void) snprintf(state, sizeof (state), "can't open");
+ break;
+ case VDEV_STATE_FAULTED:
+ (void) snprintf(state, sizeof (state), "faulted");
+ break;
+ case VDEV_STATE_DEGRADED:
+ (void) snprintf(state, sizeof (state), "degraded");
+ break;
+ case VDEV_STATE_HEALTHY:
+ (void) snprintf(state, sizeof (state), "healthy");
+ break;
+ default:
+ (void) snprintf(state, sizeof (state), "<state %u>",
+ (uint_t)vd->vdev_state);
+ }
+
+ zfs_dbgmsg("%*svdev %u: %s%s, guid: %llu, path: %s, %s", indent,
+ "", vd->vdev_id, vd->vdev_ops->vdev_op_type,
+ vd->vdev_islog ? " (log)" : "",
+ (u_longlong_t)vd->vdev_guid,
+ vd->vdev_path ? vd->vdev_path : "N/A", state);
+
+ for (uint64_t i = 0; i < vd->vdev_children; i++)
+ vdev_dbgmsg_print_tree(vd->vdev_child[i], indent + 2);
+}
+
/*
* Virtual device management.
*/
ZPOOL_CONFIG_AUX_STATE, &aux) == 0 &&
strcmp(aux, "external") == 0)
vd->vdev_label_aux = VDEV_AUX_EXTERNAL;
+ else
+ vd->vdev_faulted = 0ULL;
}
}
}
error = dmu_read(mos, vd->vdev_ms_array,
m * sizeof (uint64_t), sizeof (uint64_t), &object,
DMU_READ_PREFETCH);
- if (error)
+ if (error != 0) {
+ vdev_dbgmsg(vd, "unable to read the metaslab "
+ "array [error=%d]", error);
return (error);
+ }
}
error = metaslab_init(vd->vdev_mg, m, object, txg,
&(vd->vdev_ms[m]));
- if (error)
+ if (error != 0) {
+ vdev_dbgmsg(vd, "metaslab_init failed [error=%d]",
+ error);
return (error);
+ }
}
if (txg == 0)
zio->io_error = 0;
} else {
ASSERT(zio->io_error != 0);
- zfs_dbgmsg("failed probe on vdev %llu",
- (longlong_t)vd->vdev_id);
+ vdev_dbgmsg(vd, "failed probe");
zfs_ereport_post(FM_EREPORT_ZFS_PROBE_FAILURE,
spa, vd, NULL, NULL, 0, 0);
zio->io_error = SET_ERROR(ENXIO);
vd->vdev_stat.vs_aux != VDEV_AUX_OPEN_FAILED)
vd->vdev_removed = B_FALSE;
- vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN,
- vd->vdev_stat.vs_aux);
+ if (vd->vdev_stat.vs_aux == VDEV_AUX_CHILDREN_OFFLINE) {
+ vdev_set_state(vd, B_TRUE, VDEV_STATE_OFFLINE,
+ vd->vdev_stat.vs_aux);
+ } else {
+ vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN,
+ vd->vdev_stat.vs_aux);
+ }
return (error);
}
return (error);
}
- if (vd->vdev_top == vd && vd->vdev_ashift != 0 &&
- !vd->vdev_isl2cache && !vd->vdev_islog) {
- if (vd->vdev_ashift > spa->spa_max_ashift)
- spa->spa_max_ashift = vd->vdev_ashift;
- if (vd->vdev_ashift < spa->spa_min_ashift)
- spa->spa_min_ashift = vd->vdev_ashift;
- }
-
/*
* Track the min and max ashift values for normal data devices.
*/
/*
* Called once the vdevs are all opened, this routine validates the label
- * contents. This needs to be done before vdev_load() so that we don't
+ * contents. This needs to be done before vdev_load() so that we don't
* inadvertently do repair I/Os to the wrong device.
*
- * If 'strict' is false ignore the spa guid check. This is necessary because
- * if the machine crashed during a re-guid the new guid might have been written
- * to all of the vdev labels, but not the cached config. The strict check
- * will be performed when the pool is opened again using the mos config.
- *
* This function will only return failure if one of the vdevs indicates that it
* has since been destroyed or exported. This is only possible if
* /etc/zfs/zpool.cache was readonly at the time. Otherwise, the vdev state
* will be updated but the function will return 0.
*/
int
-vdev_validate(vdev_t *vd, boolean_t strict)
+vdev_validate(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
nvlist_t *label;
- uint64_t guid = 0, top_guid;
+ uint64_t guid = 0, aux_guid = 0, top_guid;
uint64_t state;
+ nvlist_t *nvl;
+ uint64_t txg;
- for (int c = 0; c < vd->vdev_children; c++)
- if (vdev_validate(vd->vdev_child[c], strict) != 0)
+ if (vdev_validate_skip)
+ return (0);
+
+ for (uint64_t c = 0; c < vd->vdev_children; c++)
+ if (vdev_validate(vd->vdev_child[c]) != 0)
return (SET_ERROR(EBADF));
/*
* any further validation. Otherwise, label I/O will fail and we will
* overwrite the previous state.
*/
- if (vd->vdev_ops->vdev_op_leaf && vdev_readable(vd)) {
- uint64_t aux_guid = 0;
- nvlist_t *nvl;
- uint64_t txg = spa_last_synced_txg(spa) != 0 ?
- spa_last_synced_txg(spa) : -1ULL;
+ if (!vd->vdev_ops->vdev_op_leaf || !vdev_readable(vd))
+ return (0);
- if ((label = vdev_label_read_config(vd, txg)) == NULL) {
- vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
- VDEV_AUX_BAD_LABEL);
- return (0);
- }
+ /*
+ * If we are performing an extreme rewind, we allow for a label that
+ * was modified at a point after the current txg.
+ * If config lock is not held do not check for the txg. spa_sync could
+ * be updating the vdev's label before updating spa_last_synced_txg.
+ */
+ if (spa->spa_extreme_rewind || spa_last_synced_txg(spa) == 0 ||
+ spa_config_held(spa, SCL_CONFIG, RW_WRITER) != SCL_CONFIG)
+ txg = UINT64_MAX;
+ else
+ txg = spa_last_synced_txg(spa);
- /*
- * Determine if this vdev has been split off into another
- * pool. If so, then refuse to open it.
- */
- if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_SPLIT_GUID,
- &aux_guid) == 0 && aux_guid == spa_guid(spa)) {
- vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
- VDEV_AUX_SPLIT_POOL);
- nvlist_free(label);
- return (0);
- }
+ if ((label = vdev_label_read_config(vd, txg)) == NULL) {
+ vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_BAD_LABEL);
+ vdev_dbgmsg(vd, "vdev_validate: failed reading config for "
+ "txg %llu", (u_longlong_t)txg);
+ return (0);
+ }
- if (strict && (nvlist_lookup_uint64(label,
- ZPOOL_CONFIG_POOL_GUID, &guid) != 0 ||
- guid != spa_guid(spa))) {
- vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
- VDEV_AUX_CORRUPT_DATA);
- nvlist_free(label);
- return (0);
- }
+ /*
+ * Determine if this vdev has been split off into another
+ * pool. If so, then refuse to open it.
+ */
+ if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_SPLIT_GUID,
+ &aux_guid) == 0 && aux_guid == spa_guid(spa)) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_SPLIT_POOL);
+ nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: vdev split into other pool");
+ return (0);
+ }
- if (nvlist_lookup_nvlist(label, ZPOOL_CONFIG_VDEV_TREE, &nvl)
- != 0 || nvlist_lookup_uint64(nvl, ZPOOL_CONFIG_ORIG_GUID,
- &aux_guid) != 0)
- aux_guid = 0;
+ if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_GUID, &guid) != 0) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_CORRUPT_DATA);
+ nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: '%s' missing from label",
+ ZPOOL_CONFIG_POOL_GUID);
+ return (0);
+ }
- /*
- * If this vdev just became a top-level vdev because its
- * sibling was detached, it will have adopted the parent's
- * vdev guid -- but the label may or may not be on disk yet.
- * Fortunately, either version of the label will have the
- * same top guid, so if we're a top-level vdev, we can
- * safely compare to that instead.
- *
- * If we split this vdev off instead, then we also check the
- * original pool's guid. We don't want to consider the vdev
- * corrupt if it is partway through a split operation.
- */
- if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID,
- &guid) != 0 ||
- nvlist_lookup_uint64(label, ZPOOL_CONFIG_TOP_GUID,
- &top_guid) != 0 ||
- ((vd->vdev_guid != guid && vd->vdev_guid != aux_guid) &&
- (vd->vdev_guid != top_guid || vd != vd->vdev_top))) {
- vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
- VDEV_AUX_CORRUPT_DATA);
- nvlist_free(label);
- return (0);
+ /*
+ * If config is not trusted then ignore the spa guid check. This is
+ * necessary because if the machine crashed during a re-guid the new
+ * guid might have been written to all of the vdev labels, but not the
+ * cached config. The check will be performed again once we have the
+ * trusted config from the MOS.
+ */
+ if (spa->spa_trust_config && guid != spa_guid(spa)) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_CORRUPT_DATA);
+ nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: vdev label pool_guid doesn't "
+ "match config (%llu != %llu)", (u_longlong_t)guid,
+ (u_longlong_t)spa_guid(spa));
+ return (0);
+ }
+
+ if (nvlist_lookup_nvlist(label, ZPOOL_CONFIG_VDEV_TREE, &nvl)
+ != 0 || nvlist_lookup_uint64(nvl, ZPOOL_CONFIG_ORIG_GUID,
+ &aux_guid) != 0)
+ aux_guid = 0;
+
+ if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID, &guid) != 0) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_CORRUPT_DATA);
+ nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: '%s' missing from label",
+ ZPOOL_CONFIG_GUID);
+ return (0);
+ }
+
+ if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_TOP_GUID, &top_guid)
+ != 0) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_CORRUPT_DATA);
+ nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: '%s' missing from label",
+ ZPOOL_CONFIG_TOP_GUID);
+ return (0);
+ }
+
+ /*
+ * If this vdev just became a top-level vdev because its sibling was
+ * detached, it will have adopted the parent's vdev guid -- but the
+ * label may or may not be on disk yet. Fortunately, either version
+ * of the label will have the same top guid, so if we're a top-level
+ * vdev, we can safely compare to that instead.
+ * However, if the config comes from a cachefile that failed to update
+ * after the detach, a top-level vdev will appear as a non top-level
+ * vdev in the config. Also relax the constraints if we perform an
+ * extreme rewind.
+ *
+ * If we split this vdev off instead, then we also check the
+ * original pool's guid. We don't want to consider the vdev
+ * corrupt if it is partway through a split operation.
+ */
+ if (vd->vdev_guid != guid && vd->vdev_guid != aux_guid) {
+ boolean_t mismatch = B_FALSE;
+ if (spa->spa_trust_config && !spa->spa_extreme_rewind) {
+ if (vd != vd->vdev_top || vd->vdev_guid != top_guid)
+ mismatch = B_TRUE;
+ } else {
+ if (vd->vdev_guid != top_guid &&
+ vd->vdev_top->vdev_guid != guid)
+ mismatch = B_TRUE;
}
- if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_STATE,
- &state) != 0) {
+ if (mismatch) {
vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_CORRUPT_DATA);
nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: config guid "
+ "doesn't match label guid");
+ vdev_dbgmsg(vd, "CONFIG: guid %llu, top_guid %llu",
+ (u_longlong_t)vd->vdev_guid,
+ (u_longlong_t)vd->vdev_top->vdev_guid);
+ vdev_dbgmsg(vd, "LABEL: guid %llu, top_guid %llu, "
+ "aux_guid %llu", (u_longlong_t)guid,
+ (u_longlong_t)top_guid, (u_longlong_t)aux_guid);
return (0);
}
+ }
+ if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_STATE,
+ &state) != 0) {
+ vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
+ VDEV_AUX_CORRUPT_DATA);
nvlist_free(label);
+ vdev_dbgmsg(vd, "vdev_validate: '%s' missing from label",
+ ZPOOL_CONFIG_POOL_STATE);
+ return (0);
+ }
- /*
- * If this is a verbatim import, no need to check the
- * state of the pool.
- */
- if (!(spa->spa_import_flags & ZFS_IMPORT_VERBATIM) &&
- spa_load_state(spa) == SPA_LOAD_OPEN &&
- state != POOL_STATE_ACTIVE)
- return (SET_ERROR(EBADF));
+ nvlist_free(label);
- /*
- * If we were able to open and validate a vdev that was
- * previously marked permanently unavailable, clear that state
- * now.
- */
- if (vd->vdev_not_present)
- vd->vdev_not_present = 0;
+ /*
+ * If this is a verbatim import, no need to check the
+ * state of the pool.
+ */
+ if (!(spa->spa_import_flags & ZFS_IMPORT_VERBATIM) &&
+ spa_load_state(spa) == SPA_LOAD_OPEN &&
+ state != POOL_STATE_ACTIVE) {
+ vdev_dbgmsg(vd, "vdev_validate: invalid pool state (%llu) "
+ "for spa %s", (u_longlong_t)state, spa->spa_name);
+ return (SET_ERROR(EBADF));
+ }
+
+ /*
+ * If we were able to open and validate a vdev that was
+ * previously marked permanently unavailable, clear that state
+ * now.
+ */
+ if (vd->vdev_not_present)
+ vd->vdev_not_present = 0;
+
+ return (0);
+}
+
+static void
+vdev_copy_path_impl(vdev_t *svd, vdev_t *dvd)
+{
+ if (svd->vdev_path != NULL && dvd->vdev_path != NULL) {
+ if (strcmp(svd->vdev_path, dvd->vdev_path) != 0) {
+ zfs_dbgmsg("vdev_copy_path: vdev %llu: path changed "
+ "from '%s' to '%s'", (u_longlong_t)dvd->vdev_guid,
+ dvd->vdev_path, svd->vdev_path);
+ spa_strfree(dvd->vdev_path);
+ dvd->vdev_path = spa_strdup(svd->vdev_path);
+ }
+ } else if (svd->vdev_path != NULL) {
+ dvd->vdev_path = spa_strdup(svd->vdev_path);
+ zfs_dbgmsg("vdev_copy_path: vdev %llu: path set to '%s'",
+ (u_longlong_t)dvd->vdev_guid, dvd->vdev_path);
+ }
+}
+
+/*
+ * Recursively copy vdev paths from one vdev to another. Source and destination
+ * vdev trees must have same geometry otherwise return error. Intended to copy
+ * paths from userland config into MOS config.
+ */
+int
+vdev_copy_path_strict(vdev_t *svd, vdev_t *dvd)
+{
+ if ((svd->vdev_ops == &vdev_missing_ops) ||
+ (svd->vdev_ishole && dvd->vdev_ishole) ||
+ (dvd->vdev_ops == &vdev_indirect_ops))
+ return (0);
+
+ if (svd->vdev_ops != dvd->vdev_ops) {
+ vdev_dbgmsg(svd, "vdev_copy_path: vdev type mismatch: %s != %s",
+ svd->vdev_ops->vdev_op_type, dvd->vdev_ops->vdev_op_type);
+ return (SET_ERROR(EINVAL));
+ }
+
+ if (svd->vdev_guid != dvd->vdev_guid) {
+ vdev_dbgmsg(svd, "vdev_copy_path: guids mismatch (%llu != "
+ "%llu)", (u_longlong_t)svd->vdev_guid,
+ (u_longlong_t)dvd->vdev_guid);
+ return (SET_ERROR(EINVAL));
+ }
+
+ if (svd->vdev_children != dvd->vdev_children) {
+ vdev_dbgmsg(svd, "vdev_copy_path: children count mismatch: "
+ "%llu != %llu", (u_longlong_t)svd->vdev_children,
+ (u_longlong_t)dvd->vdev_children);
+ return (SET_ERROR(EINVAL));
+ }
+
+ for (uint64_t i = 0; i < svd->vdev_children; i++) {
+ int error = vdev_copy_path_strict(svd->vdev_child[i],
+ dvd->vdev_child[i]);
+ if (error != 0)
+ return (error);
}
+ if (svd->vdev_ops->vdev_op_leaf)
+ vdev_copy_path_impl(svd, dvd);
+
return (0);
}
+static void
+vdev_copy_path_search(vdev_t *stvd, vdev_t *dvd)
+{
+ ASSERT(stvd->vdev_top == stvd);
+ ASSERT3U(stvd->vdev_id, ==, dvd->vdev_top->vdev_id);
+
+ for (uint64_t i = 0; i < dvd->vdev_children; i++) {
+ vdev_copy_path_search(stvd, dvd->vdev_child[i]);
+ }
+
+ if (!dvd->vdev_ops->vdev_op_leaf || !vdev_is_concrete(dvd))
+ return;
+
+ /*
+ * The idea here is that while a vdev can shift positions within
+ * a top vdev (when replacing, attaching mirror, etc.) it cannot
+ * step outside of it.
+ */
+ vdev_t *vd = vdev_lookup_by_guid(stvd, dvd->vdev_guid);
+
+ if (vd == NULL || vd->vdev_ops != dvd->vdev_ops)
+ return;
+
+ ASSERT(vd->vdev_ops->vdev_op_leaf);
+
+ vdev_copy_path_impl(vd, dvd);
+}
+
+/*
+ * Recursively copy vdev paths from one root vdev to another. Source and
+ * destination vdev trees may differ in geometry. For each destination leaf
+ * vdev, search a vdev with the same guid and top vdev id in the source.
+ * Intended to copy paths from userland config into MOS config.
+ */
+void
+vdev_copy_path_relaxed(vdev_t *srvd, vdev_t *drvd)
+{
+ uint64_t children = MIN(srvd->vdev_children, drvd->vdev_children);
+ ASSERT(srvd->vdev_ops == &vdev_root_ops);
+ ASSERT(drvd->vdev_ops == &vdev_root_ops);
+
+ for (uint64_t i = 0; i < children; i++) {
+ vdev_copy_path_search(srvd->vdev_child[i],
+ drvd->vdev_child[i]);
+ }
+}
+
/*
* Close a virtual device.
*/
!l2arc_vdev_present(vd))
l2arc_add_vdev(spa, vd);
} else {
- (void) vdev_validate(vd, B_TRUE);
+ (void) vdev_validate(vd);
}
/*
* the top level so that we update the config.
*/
if (object != space_map_object(vd->vdev_dtl_sm)) {
- zfs_dbgmsg("txg %llu, spa %s, DTL old object %llu, "
- "new object %llu", txg, spa_name(spa), object,
- space_map_object(vd->vdev_dtl_sm));
+ vdev_dbgmsg(vd, "txg %llu, spa %s, DTL old object %llu, "
+ "new object %llu", (u_longlong_t)txg, spa_name(spa),
+ (u_longlong_t)object,
+ (u_longlong_t)space_map_object(vd->vdev_dtl_sm));
vdev_config_dirty(vd->vdev_top);
}
if (vd->vdev_ashift == 0 || vd->vdev_asize == 0) {
vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_CORRUPT_DATA);
+ vdev_dbgmsg(vd, "vdev_load: invalid size. ashift=%llu, "
+ "asize=%llu", (u_longlong_t)vd->vdev_ashift,
+ (u_longlong_t)vd->vdev_asize);
return (SET_ERROR(ENXIO));
} else if ((error = vdev_metaslab_init(vd, 0)) != 0) {
+ vdev_dbgmsg(vd, "vdev_load: metaslab_init failed "
+ "[error=%d]", error);
vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_CORRUPT_DATA);
return (error);
if (vd->vdev_ops->vdev_op_leaf && (error = vdev_dtl_load(vd)) != 0) {
vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_CORRUPT_DATA);
+ vdev_dbgmsg(vd, "vdev_load: vdev_dtl_load failed "
+ "[error=%d]", error);
return (error);
}
obsolete_sm_object, 0, vd->vdev_asize, 0))) {
vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_CORRUPT_DATA);
+ vdev_dbgmsg(vd, "vdev_load: space_map_open failed for "
+ "obsolete spacemap (obj %llu) [error=%d]",
+ (u_longlong_t)obsolete_sm_object, error);
return (error);
}
space_map_update(vd->vdev_obsolete_sm);
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 &&
vdev_is_concrete(vd)) {
vs->vs_fragmentation = vd->vdev_mg->mg_fragmentation;
vdev_propagate_state(vd->vdev_parent);
}
+boolean_t
+vdev_children_are_offline(vdev_t *vd)
+{
+ ASSERT(!vd->vdev_ops->vdev_op_leaf);
+
+ for (uint64_t i = 0; i < vd->vdev_children; i++) {
+ if (vd->vdev_child[i]->vdev_state != VDEV_STATE_OFFLINE)
+ return (B_FALSE);
+ }
+
+ return (B_TRUE);
+}
+
/*
* Check the vdev configuration to ensure that it's capable of supporting
* a root pool. We do not support partial configuration.
}
}
-/*
- * Load the state from the original vdev tree (ovd) which
- * we've retrieved from the MOS config object. If the original
- * vdev was offline or faulted then we transfer that state to the
- * device in the current vdev tree (nvd).
- */
-void
-vdev_load_log_state(vdev_t *nvd, vdev_t *ovd)
-{
- ASSERT(nvd->vdev_top->vdev_islog);
- ASSERT(spa_config_held(nvd->vdev_spa,
- SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
- ASSERT3U(nvd->vdev_guid, ==, ovd->vdev_guid);
-
- for (int c = 0; c < nvd->vdev_children; c++)
- vdev_load_log_state(nvd->vdev_child[c], ovd->vdev_child[c]);
-
- if (nvd->vdev_ops->vdev_op_leaf) {
- /*
- * Restore the persistent vdev state
- */
- nvd->vdev_offline = ovd->vdev_offline;
- nvd->vdev_faulted = ovd->vdev_faulted;
- nvd->vdev_degraded = ovd->vdev_degraded;
- nvd->vdev_removed = ovd->vdev_removed;
- }
-}
-
/*
* Determine if a log device has valid content. If the vdev was
* removed or faulted in the MOS config then we know that
{
ASSERT(vd->vdev_top == vd);
ASSERT(spa_config_held(vd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);
+ ASSERT(vdev_is_concrete(vd));
vdev_set_deflate_ratio(vd);
- if ((vd->vdev_asize >> vd->vdev_ms_shift) > vd->vdev_ms_count &&
- vdev_is_concrete(vd)) {
+ if ((vd->vdev_asize >> vd->vdev_ms_shift) > vd->vdev_ms_count) {
VERIFY(vdev_metaslab_init(vd, txg) == 0);
vdev_config_dirty(vd);
}
}
}
-#if defined(_KERNEL) && defined(HAVE_SPL)
+#if defined(_KERNEL)
EXPORT_SYMBOL(vdev_fault);
EXPORT_SYMBOL(vdev_degrade);
EXPORT_SYMBOL(vdev_online);
module_param(zfs_scan_ignore_errors, int, 0644);
MODULE_PARM_DESC(zfs_scan_ignore_errors,
"Ignore errors during resilver/scrub");
+
+module_param(vdev_validate_skip, int, 0644);
+MODULE_PARM_DESC(vdev_validate_skip,
+ "Bypass vdev_validate()");
/* END CSTYLED */
#endif