[Interest] QFile copy and sync/fsync
Thiago Macieira
thiago.macieira at intel.com
Fri Jan 4 14:58:44 CET 2013
On sexta-feira, 4 de janeiro de 2013 08.00.14, Duane wrote:
> What I don't understand is that if I mount the USB stick with sync, and
> I have a for loop that copies N files, after the for loop finishes,
> there is a long delay. I can see from the led on the usb stick that
> this is when the files are being written. Is this something that the OS
> (in this case Tiny Core Linux) decides to do or is there some way to
> change this behavior in Qt?
It's the OS. It buffers the writes for later. Nothing that Qt can do about it.
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel Open Source Technology Center
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