2021-09-09 15:55 GMT+09:00, Chung-Chiang Cheng <cccheng@xxxxxxxxxxxx>: > EXFAT_TZ_VALID is corresponding to OffsetValid field in exfat > specification [1]. If this bit isn't set, timestamps should be treated > as having the same UTC offset as the current local time. > > This patch uses the existing mount option 'time_offset' as fat does. If > time_offset isn't set, local UTC offset in sys_tz will be used as the > default value. > > Link: [1] > https://docs.microsoft.com/en-us/windows/win32/fileio/exfat-specification#74102-offsetvalid-field > Signed-off-by: Chung-Chiang Cheng <cccheng@xxxxxxxxxxxx> Please read this discussion: https://patchwork.kernel.org/project/linux-fsdevel/patch/20200115082447.19520-10-namjae.jeon@xxxxxxxxxxx/ Thanks!