Re: o_sync in vfat driver

[Arjan van de Ven <arjan@infradead.org>]

On Mon, 2006-02-27 at 08:28 -0500, Lennart Sorensen wrote:
> On Sun, Feb 26, 2006 at 11:50:40PM +0100, col-pepper@piments.com wrote:
> > Hi,
> > 
> > OMG what do I have to do to post here? 10th attempt.
> > {part2}
> > 
> > Here is a non-exhaustive list of typical devices types requiring fat vfat
> > support:
> > 
> > fd ide-hd scsi-hd usb-hd cdrom usb-hd usb-handheld (iPod, iRiver etc)
> > usb-flash (usbsticks, cameras, some music devices.)
> > 
> > IIRC the sync mount option for vfat is ignored for file systems >2G, this
> > effectively (and probably intentionally) excludes nearly all hd partitions
> > and iPod type devices.
> 
> I think many people wish it was ignored on smaller devices too given
> what it does to write performance.

well. If you don't want it *DO NOT USE IT AT THE MOUNT COMMAND LINE* !!!



>   And if your device is flash based
> and is one of the ones that doesn't have proper wear leveling the card
> won't last long with sync enabled (even with wear leveling rewriting the
> fat that often as sync seems to do can't be good for the lifespan of the
> flash).

patient> doctor doctor it hurts when I do this
doctor> Then don't do that





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