Re: [PATCH] print_dev_t for 2.6.0-test1-mm

From: Andrew Morton (
Date: Wed Jul 16 2003 - 18:49:17 EST

Andries Brouwer <> wrote:
> > Why would anyone hand the kernel a 32-bit device number? They're either 16
> > or 64, are they not?
> The kernel has no control over what userspace comes with.
> And here userspace includes filesystems.
> Not all filesystems know how to come with 64 bits.

What does "comes with" mean?

Please describe a scenario in which a filesystem which works on current
kernels will, in a 64-bit-dev_t kernel, call init_special_inode() with a
16:16 encoded device number.

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