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DateWed, 07 Jan 1998 01:15:47 +1100
FromJeremy Fitzhardinge <>
SubjectRe: PROPOSAL: /proc/dev
Richard Guenther wrote:
> - the d_count handling can not be done in the usual way, because (as we
>   want to be able to umount/mount proc several times and of cause keep
>   the proc-tree) the mount/umount syscalls and followups have ugly (dont
>   rembember all) superblock->d_root handling. Ah yes, and of cause
>   dentry->d_sb needs to change automagically, because proc has no real
>   device id.... (partial fixes exist).

You'd also want a devfs to be mounted multiple times with different
contents.  Many systems use chrooted environments with subsets of /dev
in them, with the appropriate permissions and so on.  This needs to be
possible.

	J

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