How to enable raw i/o on partition (e.g. /dev/hdc1, non block device)

psyclobe · 12-10-2003, 08:05 PM

So I have a handle to a block device, /dev/hdc1, and I'm trying to somehow force the mode of the handle to raw instead of buffered. I know its buffered because with DD I can write an odd sized block, and with my sata analyzer I don't see an immediate commit.

?

Thanks,
-Jason

vladkrack · 12-11-2003, 11:58 AM

Look at:

http://manuals.sybase.com/onlinebook...TextView/14514

Hope that helps ....

jimveta · 12-13-2003, 06:59 AM

how about the O_SYNC flag on open(2) (i think you may be able to change this
on opened descriptors with fcntl(2)) ?