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Diffstat (limited to 'xlators/cluster/stripe/src/stripe.c')
-rw-r--r--xlators/cluster/stripe/src/stripe.c63
1 files changed, 44 insertions, 19 deletions
diff --git a/xlators/cluster/stripe/src/stripe.c b/xlators/cluster/stripe/src/stripe.c
index 43e3c3ed264..b3e87d31b5a 100644
--- a/xlators/cluster/stripe/src/stripe.c
+++ b/xlators/cluster/stripe/src/stripe.c
@@ -3809,6 +3809,7 @@ notify (xlator_t *this, int32_t event, void *data, ...)
stripe_private_t *priv = NULL;
int down_client = 0;
int i = 0;
+ gf_boolean_t heard_from_all_children = _gf_false;
if (!this)
return 0;
@@ -3820,30 +3821,34 @@ notify (xlator_t *this, int32_t event, void *data, ...)
switch (event)
{
case GF_EVENT_CHILD_UP:
- case GF_EVENT_CHILD_CONNECTING:
{
/* get an index number to set */
for (i = 0; i < priv->child_count; i++) {
if (data == priv->xl_array[i])
break;
}
- priv->state[i] = 1;
- for (i = 0; i < priv->child_count; i++) {
- if (!priv->state[i])
- down_client++;
+
+ if (priv->child_count == i) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "got GF_EVENT_CHILD_UP bad subvolume %s",
+ data? ((xlator_t *)data)->name: NULL);
+ break;
}
LOCK (&priv->lock);
{
- priv->nodes_down = down_client;
if (data == FIRST_CHILD (this))
priv->first_child_down = 0;
- if (!priv->nodes_down)
- default_notify (this, event, data);
+ priv->last_event[i] = event;
}
UNLOCK (&priv->lock);
}
break;
+ case GF_EVENT_CHILD_CONNECTING:
+ {
+ // 'CONNECTING' doesn't ensure its CHILD_UP, so do nothing
+ goto out;
+ }
case GF_EVENT_CHILD_DOWN:
{
/* get an index number to set */
@@ -3851,20 +3856,19 @@ notify (xlator_t *this, int32_t event, void *data, ...)
if (data == priv->xl_array[i])
break;
}
- priv->state[i] = 0;
- for (i = 0; i < priv->child_count; i++) {
- if (!priv->state[i])
- down_client++;
+
+ if (priv->child_count == i) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "got GF_EVENT_CHILD_DOWN bad subvolume %s",
+ data? ((xlator_t *)data)->name: NULL);
+ break;
}
LOCK (&priv->lock);
{
- priv->nodes_down = down_client;
-
if (data == FIRST_CHILD (this))
priv->first_child_down = 1;
- if (priv->nodes_down)
- default_notify (this, event, data);
+ priv->last_event[i] = event;
}
UNLOCK (&priv->lock);
}
@@ -3874,10 +3878,30 @@ notify (xlator_t *this, int32_t event, void *data, ...)
{
/* */
default_notify (this, event, data);
+ goto out;
}
break;
}
+ // Consider child as down if it's last_event is not CHILD_UP
+ for (i = 0, down_client = 0; i < priv->child_count; i++)
+ if (priv->last_event[i] != GF_EVENT_CHILD_UP)
+ down_client++;
+
+ LOCK (&priv->lock);
+ {
+ priv->nodes_down = down_client;
+ }
+ UNLOCK (&priv->lock);
+
+ heard_from_all_children = _gf_true;
+ for (i = 0; i < priv->child_count; i++)
+ if (!priv->last_event[i])
+ heard_from_all_children = _gf_false;
+
+ if (heard_from_all_children)
+ default_notify (this, event, data);
+out:
return 0;
}
@@ -4598,9 +4622,9 @@ init (xlator_t *this)
if (!priv->xl_array)
goto out;
- priv->state = GF_CALLOC (count, sizeof (int8_t),
- gf_stripe_mt_int8_t);
- if (!priv->state)
+ priv->last_event = GF_CALLOC (count, sizeof (int),
+ gf_stripe_mt_int32_t);
+ if (!priv->last_event)
goto out;
priv->child_count = count;
@@ -4701,6 +4725,7 @@ fini (xlator_t *this)
trav = trav->next;
GF_FREE (prev);
}
+ GF_FREE (priv->last_event);
LOCK_DESTROY (&priv->lock);
GF_FREE (priv);
}