go fmt and fix some typo

weed/command/benchmark.go

@@ -45,7 +45,7 @@ var (
 )
 
 func init() {
-	cmdBenchmark.Run = runbenchmark // break init cycle
+	cmdBenchmark.Run = runBenchmark // break init cycle
 	cmdBenchmark.IsDebug = cmdBenchmark.Flag.Bool("debug", false, "verbose debug information")
 	b.masters = cmdBenchmark.Flag.String("master", "localhost:9333", "SeaweedFS master location")
 	b.concurrency = cmdBenchmark.Flag.Int("c", 16, "number of concurrent write or read processes")
@@ -101,7 +101,7 @@ var (
 	readStats  *stats
 )
 
-func runbenchmark(cmd *Command, args []string) bool {
+func runBenchmark(cmd *Command, args []string) bool {
 	fmt.Printf("This is SeaweedFS version %s %s %s\n", util.VERSION, runtime.GOOS, runtime.GOARCH)
 	if *b.maxCpu < 1 {
 		*b.maxCpu = runtime.NumCPU()
@@ -121,17 +121,17 @@ func runbenchmark(cmd *Command, args []string) bool {
 	masterClient.WaitUntilConnected()
 
 	if *b.write {
-		bench_write()
+		benchWrite()
 	}
 
 	if *b.read {
-		bench_read()
+		benchRead()
 	}
 
 	return true
 }
 
-func bench_write() {
+func benchWrite() {
 	fileIdLineChan := make(chan string)
 	finishChan := make(chan bool)
 	writeStats = newStats(*b.concurrency)
@@ -158,7 +158,7 @@ func bench_write() {
 	writeStats.printStats()
 }
 
-func bench_read() {
+func benchRead() {
 	fileIdLineChan := make(chan string)
 	finishChan := make(chan bool)
 	readStats = newStats(*b.concurrency)