Before this change rclone would read the list of files from the files-from parameter and check they existed one at a time. This could take a very long time for lots of files. After this change, rclone will check up to --checkers in parallel.
Before this change rclone would read the list of files from the files-from parameter and check they existed one at a time. This could take a very long time for lots of files. After this change, rclone will check up to --checkers in parallel.