func extractReadAheadKBMountFlag()

in pkg/nfs/nodeserver.go [353:369]

• 15 lines of code
• 5 McCabe index (conditional complexity)

func extractReadAheadKBMountFlag(mountFlags []string) (int64, bool, error) {
	for _, mountFlag := range mountFlags {
		if readAheadKB := readAheadKBMountFlagRegex.FindStringSubmatch(mountFlag); len(readAheadKB) == 2 {
			// There is only one matching pattern in readAheadKBMountFlagRegex
			// If found, it will be at index 1
			readAheadKBInt, err := strconv.ParseInt(readAheadKB[1], 10, 0)
			if err != nil {
				return -1, false, fmt.Errorf("invalid read_ahead_kb mount flag %q: %v", mountFlag, err)
			}
			if readAheadKBInt < 0 {
				return -1, false, fmt.Errorf("invalid negative value for read_ahead_kb mount flag: %q", mountFlag)
			}
			return readAheadKBInt, true, nil
		}
	}
	return -1, false, nil
}