Linux-kernel mailing list archive 1999-41,: Re: Structure of dev_t (was: [patch] replacing "/dev/root" in /proc/mounts)

# Re: Structure of dev_t (was: [patch] replacing "/dev/root" in /proc/mounts)

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 11 Oct 1999 13:42:35 +0100 (BST)

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> The structure of a device ID is of no concern to userspace.
> Andries
>
> P.S. Yes, I know the NFS standard.

NFSv3 only really cares about the contents of that arbitary device identity
in order to ensure a mknod on the server or client create the same device
viewed on both. That didnt used to be true in NFSv2 and could be a real
nightmare with managing NFS boxes before v3.

The rest of the argument is valid even with NFS - and we do effectively
subdivide further.

Alan

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