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-rw-r--r--xlators/cluster/ec/src/ec.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec.c b/xlators/cluster/ec/src/ec.c
index fd5123d61da..5476ac6562e 100644
--- a/xlators/cluster/ec/src/ec.c
+++ b/xlators/cluster/ec/src/ec.c
@@ -115,6 +115,35 @@ int32_t ec_prepare_childs(xlator_t * this)
return 0;
}
+/* This function transforms the subvol to subvol-id*/
+static int
+_subvol_to_subvolid (dict_t *this, char *key, data_t *value, void *data)
+{
+ ec_t *ec = data;
+ xlator_t *subvol = NULL;
+ int i = 0;
+ int ret = -1;
+
+ subvol = data_to_ptr (value);
+ for (i = 0; i < ec->nodes; i++) {
+ if (ec->xl_list[i] == subvol) {
+ ret = dict_set_int32 (this, key, i);
+ /* -1 stops dict_foreach and returns -1*/
+ if (ret < 0)
+ ret = -1;
+ goto out;
+ }
+ }
+out:
+ return ret;
+}
+
+int
+ec_subvol_to_subvol_id_transform (ec_t *ec, dict_t *leaf_to_subvolid)
+{
+ return dict_foreach (leaf_to_subvolid, _subvol_to_subvolid, ec);
+}
+
void __ec_destroy_private(xlator_t * this)
{
ec_t * ec = this->private;
@@ -165,6 +194,8 @@ void __ec_destroy_private(xlator_t * this)
LOCK_DESTROY(&ec->lock);
+ if (ec->leaf_to_subvolid)
+ dict_unref (ec->leaf_to_subvolid);
GF_FREE(ec);
}
}
@@ -480,6 +511,21 @@ init (xlator_t *this)
ec_selfheal_daemon_init (this);
gf_log(this->name, GF_LOG_DEBUG, "Disperse translator initialized.");
+ ec->leaf_to_subvolid = dict_new ();
+ if (!ec->leaf_to_subvolid)
+ goto failed;
+ if (glusterfs_reachable_leaves (this, ec->leaf_to_subvolid)) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to build subvol "
+ "dictionary");
+ goto failed;
+ }
+
+ if (ec_subvol_to_subvol_id_transform (ec, ec->leaf_to_subvolid) < 0) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to build subvol-id "
+ "dictionary");
+ goto failed;
+ }
+
return 0;
failed: