mgmt/Glusterd: Volume set enhancements

- performance.flush-behind, transport.keepalive added
- volume info to display the options reconfigured

Signed-off-by: Kaushik BV <kaushikbv@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 1159 ()
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1159

3 files changed, 74 insertions, 7 deletions

diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index b094f97c4..04b5c394e 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -1674,7 +1674,7 @@ reconfigure (xlator_t *this, dict_t *options)
 				goto out;
 			}
 
-			if (cache_size < (4*(2^20))) {
+			if (cache_size < (4 * GF_UNIT_MB)) {
 	                        gf_log(this->name, GF_LOG_ERROR, "Reconfiguration"
 				      "'option cache-size %s' failed , Max value"
 				      "can be 4MiB, Defaulting to old value (%d)"
@@ -1683,8 +1683,8 @@ reconfigure (xlator_t *this, dict_t *options)
 				goto out;
        		        }
 
-			if (cache_size > (6 *(2^30))) {
-        	                gf_log(this->name, GF_LOG_ERROR, "Reconfiguration"
+			if (cache_size > (6 * GF_UNIT_GB)) {
+        	                gf_log (this->name, GF_LOG_ERROR, "Reconfiguration"
 				       "'option cache-size %s' failed , Max value"
 				       "can be 6GiB, Defaulting to old value (%d)"
 			  		, cache_size_string, table->cache_size);
@@ -1694,7 +1694,7 @@ reconfigure (xlator_t *this, dict_t *options)
 			
 
 			gf_log (this->name, GF_LOG_DEBUG, "Reconfiguring "
-				" cache-size %"PRIu64"", table->cache_size);
+				" cache-size %"PRIu64"", cache_size);
 			table->cache_size = cache_size;
 		}
                 else
diff --git a/xlators/performance/quick-read/src/quick-read.c b/xlators/performance/quick-read/src/quick-read.c
index 91243561e..965f94379 100644
--- a/xlators/performance/quick-read/src/quick-read.c
+++ b/xlators/performance/quick-read/src/quick-read.c
@@ -2417,6 +2417,7 @@ validate_options (xlator_t *this, dict_t *options, char **op_errstr)
         char         *str  = NULL;
         int32_t       ret  = -1;
         int32_t       cache_timeout;
+        uint64_t         cache_size;
  
         if (!this)
                 goto out;
@@ -2442,6 +2443,32 @@ validate_options (xlator_t *this, dict_t *options, char **op_errstr)
                         goto out;
                 }
         }
+        
+        ret = dict_get_str (this->options, "cache-size", &str);
+        if (ret == 0) {
+                ret = gf_string2bytesize (str, &cache_size);
+                if (ret != 0) {
+                        gf_log (this->name, GF_LOG_ERROR,
+                                "invalid cache-size value %s", str);
+                        ret = -1;
+                        goto out;
+                } 
+                if (cache_size > 6 * GF_UNIT_GB) {
+                        gf_log (this->name, GF_LOG_ERROR,
+                                "invalid cache-size value %s", str);
+                        *op_errstr = "Range 4mb <= value <= 6gb";
+                        ret = -1;
+                        goto out;
+                }
+                if (cache_size < 4* GF_UNIT_MB) {
+                        gf_log (this->name, GF_LOG_ERROR,
+                                "invalid cache-size value %s", str);
+                        *op_errstr = "Range 4mb <= value <= 6gb";
+                        ret = -1;
+                        goto out;
+                }
+                        
+        }
 
 
         ret =0;
@@ -2461,6 +2488,7 @@ reconfigure (xlator_t *this, dict_t *options)
         qr_private_t *priv = NULL;
         qr_conf_t    *conf = NULL;
         int32_t       cache_timeout;
+        uint64_t         cache_size;
  
         if (!this)
                 goto out;
@@ -2474,7 +2502,7 @@ reconfigure (xlator_t *this, dict_t *options)
                 goto out;
         
         cache_timeout = conf->cache_timeout;
-        ret = dict_get_str (this->options, "cache-timeout", &str);
+        ret = dict_get_str (options, "cache-timeout", &str);
         if (ret == 0) {
                 ret = gf_string2uint_base10 (str, 
                                              (unsigned int *)&conf->cache_timeout);
@@ -2489,6 +2517,24 @@ reconfigure (xlator_t *this, dict_t *options)
         else
                 conf->cache_timeout = 1;
         
+        cache_size = conf->cache_size;
+        ret = dict_get_str (options, "cache-size", &str);
+        if (ret == 0) {
+                ret = gf_string2bytesize (str, &cache_size);
+                if (ret != 0) {
+                        gf_log (this->name, GF_LOG_ERROR,
+                                "invalid cache-size %s(old value used)", str);
+                        conf->cache_size = cache_size;
+                        ret = -1;
+                        goto out;
+                } 
+                gf_log (this->name, GF_LOG_DEBUG, 
+                        "Reconfiguring cache-siz to %d", cache_size);
+                conf->cache_size = cache_size;
+        }
+        else
+                conf->cache_size = QR_DEFAULT_CACHE_SIZE;
+        
         ret = 0;
 out:
         return ret;
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c
index ef596dfbe..8a4be0f7f 100644
--- a/xlators/performance/write-behind/src/write-behind.c
+++ b/xlators/performance/write-behind/src/write-behind.c
@@ -2751,7 +2751,7 @@ validate_options (xlator_t *this, dict_t *options, char **op_errstr)
                         goto out;
                 }
 
-                if (window_size < (524288)) {
+                if (window_size < (512 * GF_UNIT_KB)) {
                         gf_log(this->name, GF_LOG_WARNING, "Validation"
                                         "'option cache-size %s' failed , Min value"
                                                         "should be 512KiB ", str);
@@ -2760,7 +2760,7 @@ validate_options (xlator_t *this, dict_t *options, char **op_errstr)
                         goto out;
                 }
 
-                if (window_size > (1073741824)) {
+                if (window_size > (1 * GF_UNIT_GB)) {
                         gf_log(this->name, GF_LOG_WARNING, "Reconfiguration"
                                         "'option cache-size %s' failed , Max value"
                                                         "can be 1 GiB", str);
@@ -2840,6 +2840,27 @@ reconfigure (xlator_t *this, dict_t *options)
         }
         else
                 conf->window_size = WB_WINDOW_SIZE;
+        
+        ret = dict_get_str (options, "flush-behind", 
+                            &str);
+        if (ret == 0) {
+                ret = gf_string2boolean (str, 
+                                         &conf->flush_behind);
+                if (ret == -1) {
+                        gf_log (this->name, GF_LOG_ERROR,
+                                "'flush-behind' takes only boolean arguments");
+                        conf->flush_behind = 1;
+                        return -1;
+                }
+                if (conf->flush_behind) {
+                        gf_log (this->name, GF_LOG_DEBUG,
+                                "enabling flush-behind");
+                }
+                else
+                        gf_log (this->name, GF_LOG_DEBUG, 
+                                "disabling flush-behind");
+        }
+
                 
 out:
 	return 0;