On Mon, Mar 15, 2021 at 10:37:12AM -0700, Harshad Shirwadkar wrote: > Before this patch, the function parse_options() was returning > journal_devnum and journal_ioprio variables to the caller. This patch > generalizes that interface to allow parse_options to return any parsed > options to return back to the caller. In this patch series, it gets > used to capture the value of "mb_optimize_scan=%u" mount option. Instead of adding more code to the legacy option parsing code can someone convert ext4 to the new mount API first?