diff options
Diffstat (limited to 'xlators/performance/write-behind/src/write-behind.c')
| -rw-r--r-- | xlators/performance/write-behind/src/write-behind.c | 51 |
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) { |