Messages in this thread | | | Date | Wed, 7 Jan 2004 10:57:00 -0800 | From | Greg KH <> | Subject | Re: removable media revalidation - udev vs. devfs or static /dev |
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On Wed, Jan 07, 2004 at 10:38:31AM -0800, Linus Torvalds wrote: > > On Fri, 2 Jan 2004, Greg KH wrote: > > > > Doesn't the kernel always create the main block device for this device? > > If so, udev will catch that. > > But udev should probably also create all the sub-nodes if it doesn't > already.
It doesn't, as I thought we could rely on the kernel partition support.
> And it really has to create _all_ of them, exactly because there's no way > to know ahead-of-time which of them will be available. > > Then, user space can just access "/dev/sda1" or whatever, and the act of > accessing it will force the re-scan.
Hm, that would work, but what about a user program that just polls on the device, as the rest of this thread discusses? As removable devices are not the "norm" it would seem a bit of overkill to create 16 partitions for every block device, if they need them or not.
thanks,
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