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-rw-r--r--xlators/performance/write-behind/src/write-behind.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c
index c9fc25a5b..efb78acf7 100644
--- a/xlators/performance/write-behind/src/write-behind.c
+++ b/xlators/performance/write-behind/src/write-behind.c
@@ -2727,6 +2727,57 @@ mem_acct_init (xlator_t *this)
return ret;
}
+int
+reconfigure (xlator_t *this, dict_t *options)
+{
+ char *str=NULL;
+ uint64_t window_size;
+ wb_conf_t *conf = NULL;
+ int ret = 0;
+
+ conf = this->private;
+
+ ret = dict_get_str (options, "cache-size",
+ &str);
+ if (ret == 0) {
+ ret = gf_string2bytesize (str, &window_size);
+ if (ret != 0) {
+ gf_log(this->name, GF_LOG_ERROR, "Reconfiguration"
+ "'option cache-size %s failed , Invalid"
+ " number format, Defaulting to old value (%d)"
+ , str, conf->window_size);
+ ret = -1;
+ goto out;
+ }
+
+ if (window_size < (2^19)) {
+ gf_log(this->name, GF_LOG_ERROR, "Reconfiguration"
+ "'option cache-size %s' failed , Max value"
+ "can be 512KiB, Defaulting to old value (%d)"
+ , str, conf->window_size);
+ ret = -1;
+ goto out;
+ }
+
+ if (window_size > (2^30)) {
+ gf_log(this->name, GF_LOG_ERROR, "Reconfiguration"
+ "'option cache-size %s' failed , Max value"
+ "can be 1 GiB, Defaulting to old value (%d)"
+ , str, conf->window_size);
+ ret = -1;
+ goto out;
+ }
+
+ conf->window_size = window_size;
+ gf_log(this->name, GF_LOG_DEBUG, "Reconfiguring "
+ "'option cache-size %s ' to %d"
+ , str, conf->window_size);
+ }
+out:
+ return 0;
+
+}
+
int32_t
init (xlator_t *this)
{