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-rw-r--r--xlators/cluster/afr/src/afr.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c
index ebb9f1ee9..cd84c357d 100644
--- a/xlators/cluster/afr/src/afr.c
+++ b/xlators/cluster/afr/src/afr.c
@@ -107,6 +107,7 @@ reconfigure (xlator_t *this, dict_t *options)
{
afr_private_t *priv = NULL;
xlator_t *read_subvol = NULL;
+ int read_subvol_index = -1;
int ret = -1;
int index = -1;
char *qtype = NULL;
@@ -162,6 +163,18 @@ reconfigure (xlator_t *this, dict_t *options)
priv->read_child = index;
}
+ GF_OPTION_RECONF ("read-subvolume-index",read_subvol_index, options,int32,out);
+
+ if (read_subvol_index >-1) {
+ index=read_subvol_index;
+ if (index >= priv->child_count) {
+ gf_log (this->name, GF_LOG_ERROR, "%d not a subvolume-index",
+ index);
+ goto out;
+ }
+ priv->read_child = index;
+ }
+
GF_OPTION_RECONF ("eager-lock", priv->eager_lock, options, bool, out);
GF_OPTION_RECONF ("quorum-type", qtype, options, str, out);
GF_OPTION_RECONF ("quorum-count", priv->quorum_count, options,
@@ -199,6 +212,7 @@ init (xlator_t *this)
int ret = -1;
GF_UNUSED int op_errno = 0;
xlator_t *read_subvol = NULL;
+ int read_subvol_index = -1;
xlator_t *fav_child = NULL;
char *qtype = NULL;
@@ -241,6 +255,15 @@ init (xlator_t *this)
goto out;
}
}
+ GF_OPTION_INIT ("read-subvolume-index",read_subvol_index,int32,out);
+ if (read_subvol_index > -1) {
+ if (read_subvol_index >= priv->child_count) {
+ gf_log (this->name, GF_LOG_ERROR, "%d not a subvolume-index",
+ read_subvol_index);
+ goto out;
+ }
+ priv->read_child = read_subvol_index;
+ }
GF_OPTION_INIT ("choose-local", priv->choose_local, bool, out);
GF_OPTION_INIT ("read-hash-mode", priv->hash_mode, uint32, out);
@@ -502,6 +525,10 @@ struct volume_options options[] = {
{ .key = {"read-subvolume" },
.type = GF_OPTION_TYPE_XLATOR
},
+ { .key = {"read-subvolume-index" },
+ .type = GF_OPTION_TYPE_INT,
+ .default_value = "-1",
+ },
{ .key = {"read-hash-mode" },
.type = GF_OPTION_TYPE_INT,
.min = 0,