Remove os.sync() and a dubug print.

scripts/install.py

@@ -126,9 +126,6 @@ def install_distro():
     else:
         iso.iso_extract_full(config.image_path, install_dir)
 
-    if platform.system() == 'Linux':
-        log('ISO extracted successfully. Sync is in progress...')
-        os.sync()
 
     if config.persistence != 0:
         log('Creating persistence...')
@@ -236,8 +233,6 @@ def install_patch():
                                    'c32box.c32')
 
     elif config.distro == 'debian':
-        if platform.system() == 'Linux':  # Need to syn under Linux. Otherwise, USB disk becomes random read only.
-            os.sync()
         iso_file_list = iso.iso_file_list(config.image_path)
         if not any(s.strip().lower().endswith("makeboot.sh")
                    for s in iso_file_list):

scripts/mbusb_gui.py

@@ -368,9 +368,6 @@ class AppGui(qemu.Qemu, Imager, QtWidgets.QMainWindow, Ui_MainWindow):
 		update_distro_cfg_files(config.image_path, config.usb_disk,
 								config.distro, config.persistence)
 		self.update_list_box(config.usb_disk)
-		if sys.platform.startswith("linux"):
-			self.ui.statusbar.showMessage("Status: Sync is in progress...")
-			os.sync()
 		self.ui.statusbar.showMessage("Status: Idle")
 		self.ui_disable_persistence()
 		log(iso_name(config.image_path) + ' has been successfully installed.')
@@ -555,9 +552,6 @@ class AppGui(qemu.Qemu, Imager, QtWidgets.QMainWindow, Ui_MainWindow):
 		# update_sys_cfg_file(config.uninstall_distro_dir_name)
 
 		self.update_list_box(config.usb_mount)
-		if sys.platform.startswith("linux"):
-			self.ui.statusbar.showMessage("Status: Sync in progress...")
-			os.sync()
 		self.ui.statusbar.showMessage("Status: Idle")
 		QtWidgets.QMessageBox.information(self, 'Uninstall Complete...',
 										  config.uninstall_distro_dir_name + ' has been successfully removed.')

scripts/syslinux.py

@@ -236,7 +236,6 @@ def build_distro_bootsector_impl(usb_disk, options,
         else:
             config.status_text = 'Failed to copy boot sector...'
             log("\nFailed to copy boot sector...\n")
-        print ("RETURNING tmp_bs_File")
         return tmp_bs_file
     else:
         config.status_text = 'Failed to install syslinux on distro directory...'

scripts/uninstall_distro.py

@@ -89,9 +89,6 @@ def delete_frm_file_list(iso_file_list, uninstall_distro_dir_name):
                 if os.path.exists(os.path.join(usb_mount, generic.strip("/"))):
                     os.remove(os.path.join(usb_mount, generic.strip("/")))
     gen.log('Removed files from ' + uninstall_distro_dir_name)
-    if platform.system() == 'Linux':
-        gen.log('Syncing....')
-        os.sync()
 
 
 
@@ -108,7 +105,6 @@ def do_uninstall_distro(target_distro, uninstall_distro_dir_name):
     usb_mount = usb_details['mount_point']
 
     if platform.system() == 'Linux':
-        os.sync()
         # remove 'immutable' from files on ext2/3/4 fs
         if usb_mount:
             subprocess.call("chattr -i -R %s/* 2>/dev/null" % usb_mount, shell=True)
@@ -149,8 +145,6 @@ def do_uninstall_distro(target_distro, uninstall_distro_dir_name):
         shutil.rmtree(os.path.join(usb_mount, "trk3"))
 
     if os.path.exists(uninstall_distro_dir_name_fullpath):
-        if platform.system() == 'Linux':
-            os.sync()
         shutil.rmtree(uninstall_distro_dir_name_fullpath)
 
     delete_frm_file_list(iso_file_list, uninstall_distro_dir_name)
@@ -178,8 +172,6 @@ def update_sys_cfg_file(uninstall_distro_dir_name):
     Main function to remove uninstall distro specific operations.
     :return:
     """
-    if platform.system() == 'Linux':
-        os.sync()
 
     sys_cfg_file = os.path.join(config.usb_mount, "multibootusb", "syslinux.cfg")
     if not os.path.exists(sys_cfg_file):
@@ -201,8 +193,6 @@ def update_grub_cfg_file(uninstall_distro_dir_name):
     Main function to remove uninstall distro name from the grub.cfg file.
     :return:
     """
-    if platform.system() == 'Linux':
-        os.sync()
 
     grub_cfg_file = os.path.join(config.usb_mount, "multibootusb",
                                  "grub", "grub.cfg")
@@ -231,8 +221,6 @@ def uninstall_progress():
     from . import progressbar
     usb_details = config.usb_details
     usb_mount = usb_details['mount_point']
-    if platform.system() == 'Linux':
-        os.sync()
 
     uninstall_distro_dir_name = config.uninstall_distro_dir_name \
                                 .replace('\n', '')

scripts/update_cfg_file.py

@@ -421,8 +421,6 @@ def update_mbusb_cfg_file(iso_link, usb_uuid, usb_mount, distro):
     Update main multibootusb suslinux.cfg file after distro is installed.
     :return:
     """
-    if platform.system() == 'Linux':
-        os.sync()
     log('Updating multibootusb config file...')
     name_from_iso = iso_basename(iso_link)
     name_of_iso = iso_name(iso_link)