diff options
Diffstat (limited to 'xlators/cluster')
| -rw-r--r-- | xlators/cluster/stripe/src/stripe-mem-types.h | 1 | ||||
| -rw-r--r-- | xlators/cluster/stripe/src/stripe.c | 63 | ||||
| -rw-r--r-- | xlators/cluster/stripe/src/stripe.h | 2 |
3 files changed, 46 insertions, 20 deletions
diff --git a/xlators/cluster/stripe/src/stripe-mem-types.h b/xlators/cluster/stripe/src/stripe-mem-types.h index e05ba0c29c3..e9ac9cf4648 100644 --- a/xlators/cluster/stripe/src/stripe-mem-types.h +++ b/xlators/cluster/stripe/src/stripe-mem-types.h @@ -20,6 +20,7 @@ enum gf_stripe_mem_types_ { gf_stripe_mt_stripe_fd_ctx_t, gf_stripe_mt_char, gf_stripe_mt_int8_t, + gf_stripe_mt_int32_t, gf_stripe_mt_xlator_t, gf_stripe_mt_stripe_private_t, gf_stripe_mt_stripe_options, 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); } diff --git a/xlators/cluster/stripe/src/stripe.h b/xlators/cluster/stripe/src/stripe.h index 53b683c735c..5673d18f390 100644 --- a/xlators/cluster/stripe/src/stripe.h +++ b/xlators/cluster/stripe/src/stripe.h @@ -98,8 +98,8 @@ struct stripe_private { gf_lock_t lock; uint8_t nodes_down; int8_t first_child_down; + int *last_event; int8_t child_count; - int8_t *state; /* Current state of child node */ gf_boolean_t xattr_supported; /* default yes */ gf_boolean_t coalesce; char vol_uuid[UUID_SIZE + 1]; |