On Thu, Feb 20, 2020 at 06:11:04PM +0300, Konstantin Khlebnikov wrote: > Usually all these options are saved in /etc/fstab and > mount -o remount,... includes them into line passed into syscall. > In this case remounting any other option will not disable lazytime. This assumes that there *is* an /etc/fstab entry. Sometimes system administrators will perform ad hoc mounts of devices that aren't mentioned in /etc/fstab. For example, consider how xfstests works; it will run mounts commands mentioning the test and scratch devices which are not mentioned on /etc/fstab. - Ted
