> > When directory iterate and lookup is called, there's a buggy rewinding > > of start point for traversing cluster chain to the parent directory > > entry's first cluster. This caused repeated cluster chain traversing > > from the first entry of the parent directory that would show worse > > performance if huge amounts of files exist under the parent directory. > > Fix not to rewind, make continue from currently referenced cluster and > > dir entry. > > > > Tested with 50,000 files under single directory / 256GB sdcard, with > > command "time ls -l > /dev/null", > > Before : 0m08.69s real 0m00.27s user 0m05.91s system > > After : 0m07.01s real 0m00.25s user 0m04.34s system > > > > Signed-off-by: Hyeongseok Kim <hyeongseok@xxxxxxxxx> > > Looks good. > Thanks for your contribution. > > Reviewed-by: Sungjong Seo <sj1557.seo@xxxxxxxxxxx> Applied. Thanks!