Add some checks in my code

s3_fs.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"io"
+	"log"
 	"os"
 	"path"
 	"strings"
@@ -33,6 +34,16 @@ func NewS3FS(mc *minio.Client) S3FS {
 
 func (s S3FS) Mkdir(ctx context.Context, name string, perm os.FileMode) error {
 	s.ctx = ctx
+
+	p := NewS3Path(name)
+
+	if p.class == ROOT {
+		return errors.New("Unable to create another root folder")
+	} else if p.class == BUCKET {
+		log.Println("Creating bucket is not implemented yet")
+		return nil
+	}
+
 	f, err := NewS3File(&s, path.Join(name, ".bagage"))
 	if err != nil {
 		return err