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-rw-r--r--module/zfs/vdev.c53
1 files changed, 44 insertions, 9 deletions
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 3fa677e05..bb5024f98 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -405,22 +405,26 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
&nparity) == 0) {
/*
- * Currently, we can only support 2 parity devices.
+ * Currently, we can only support 3 parity devices.
*/
- if (nparity == 0 || nparity > 2)
+ if (nparity == 0 || nparity > 3)
return (EINVAL);
/*
- * Older versions can only support 1 parity device.
+ * Previous versions could only support 1 or 2 parity
+ * device.
*/
- if (nparity == 2 &&
- spa_version(spa) < SPA_VERSION_RAID6)
+ if (nparity > 1 &&
+ spa_version(spa) < SPA_VERSION_RAIDZ2)
+ return (ENOTSUP);
+ if (nparity > 2 &&
+ spa_version(spa) < SPA_VERSION_RAIDZ3)
return (ENOTSUP);
} else {
/*
* We require the parity to be specified for SPAs that
* support multiple parity levels.
*/
- if (spa_version(spa) >= SPA_VERSION_RAID6)
+ if (spa_version(spa) >= SPA_VERSION_RAIDZ2)
return (EINVAL);
/*
* Otherwise, we default to 1 parity device for RAID-Z.
@@ -993,6 +997,32 @@ vdev_probe(vdev_t *vd, zio_t *zio)
return (NULL);
}
+static void
+vdev_open_child(void *arg)
+{
+ vdev_t *vd = arg;
+
+ vd->vdev_open_thread = curthread;
+ vd->vdev_open_error = vdev_open(vd);
+ vd->vdev_open_thread = NULL;
+}
+
+void
+vdev_open_children(vdev_t *vd)
+{
+ taskq_t *tq;
+ int children = vd->vdev_children;
+
+ tq = taskq_create("vdev_open", children, minclsyspri,
+ children, children, TASKQ_PREPOPULATE);
+
+ for (int c = 0; c < children; c++)
+ VERIFY(taskq_dispatch(tq, vdev_open_child, vd->vdev_child[c],
+ TQ_SLEEP) != NULL);
+
+ taskq_destroy(tq);
+}
+
/*
* Prepare a virtual device for access.
*/
@@ -1005,8 +1035,8 @@ vdev_open(vdev_t *vd)
uint64_t asize, psize;
uint64_t ashift = 0;
- ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
-
+ ASSERT(vd->vdev_open_thread == curthread ||
+ spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
ASSERT(vd->vdev_state == VDEV_STATE_CLOSED ||
vd->vdev_state == VDEV_STATE_CANT_OPEN ||
vd->vdev_state == VDEV_STATE_OFFLINE);
@@ -1217,7 +1247,12 @@ vdev_validate(vdev_t *vd)
nvlist_free(label);
- if (spa->spa_load_state == SPA_LOAD_OPEN &&
+ /*
+ * If spa->spa_load_verbatim is true, no need to check the
+ * state of the pool.
+ */
+ if (!spa->spa_load_verbatim &&
+ spa->spa_load_state == SPA_LOAD_OPEN &&
state != POOL_STATE_ACTIVE)
return (EBADF);