Use quantity of workers equal to amount of found cpu cores (instead of hardcoded 5) if nothing set in config

internal/lib/ionice_other.go

@@ -5,12 +5,12 @@ package lib
 
 import proc "github.com/shirou/gopsutil/v3/process"
 
-func GetIOPriority(which int, who int) (prio uint32, err error) {
+func (cnf Config) GetIOPriority(which int, who int) (prio uint32, err error) {
-	return 0, NotImplementedError
+	return 0, cnf.NotImplementedError
 }
 
-func SetIOPriority(which int, who int, prio uint32) (err error) {
+func (cnf Config) SetIOPriority(which int, who int, prio uint32) (err error) {
-	return NotImplementedError
+	return cnf.NotImplementedError
 }
 
-func IORenice(cnf Config, p *proc.Process, processName string) {}
+func (cnf Config) IORenice(cnf Config, p *proc.Process, processName string) {}

internal/lib/util.go

@@ -80,7 +80,7 @@ func (cnf *Config) readConfFile(path string) error {
 	}
 
 	if cnf.MaxWorkers == 0 {
-		cnf.MaxWorkers = 5
+		cnf.MaxWorkers = runtime.NumCPU()
 		log.Printf("max_workers set to %d", cnf.MaxWorkers)
 	}