creating SYNC option for all USB devices in hal 0.0.4-10

Saimun Cheng chengsaimun at
Mon Oct 17 08:58:27 PDT 2005

Hi David,

the problem is the USB drive would flash during saving. Then it would stop
flashing. Then it would flash again when sync-ing (i think) after a few
seconds. How would the user know when to remove?

Without doubting you, Is the speed really so significant between sync and

You mentioned "You can indeed add your own mount options. Please search the
Is this the part where we add SYNC option to USB?


On 10/17/05, David Zeuthen <david at> wrote:
> On Mon, 2005-10-17 at 20:13 +0800, Saimun Cheng wrote:
> > Because mounting and unmounting should be transparent to them, I would
> > like to ensure that after Users saved their files, the files get
> > flushed immediately to thumbdrive. I think SYNC is the option for
> > that.
> Not with recent Linux kernels, it'll make reading/writing go much slower
> than without sync. This problem is just difficult to solve really -
> suggest to put up signs saying "don't remove drive while you are saving
> your documents and/or the LED is on".
> > I know /etc/fstab cannot be modified and it's to do
> > with /hal/fdi ...blah blah..
> You can indeed add your own mount options. Please search the archives.
> Thanks,
> David
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