On Fri, 10 Feb 2006, Pavel Machek wrote: > Hi! > > > in Documentation/power/devices.txt, I read: > > > > <quote> > > System shutdown -- at least disks need to be spun down, or data may be > > lost. Quiesce devices, just to make life easier for BIOS. event = > > FREEZE, flags = SYSTEM_SHUTDOWN > > </quote> > > > > Is this actually done somewhere? I can't find /SYSTEM_SHUTDOWN/ > > in any kernel .h or .c files. > > I think we do FREEZE during shutdown, but flags never got > implemented. It seems nobody really needs them, so... I'm not particular about the flags, but I do have a case of needing to do what the comment describes: spin down disks during shutdown. Can anyone suggest how that should be done? [I'm currently adding code to use register_reboot_notifier() and keeping a table of SATA/PATA controllers/channels for use at shutdown...] Thanks, -- ~Randy
