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Subjectadding plan9-like usernames to the kernel
Hi folks,

as part as a little research project for bringing Plan9 semantics
to Linux, I'd like to add textual usernames. In contrast to *nix,
Plan9 doesn't use numerical IDs, but names.

Obviously that needs some internal mapping between names and ids.

Should this go into struct user_namespace (where per-namespace
uid mapping lives) or to struct cred / struct user_struct ?

The primary consumer of this username will be the /dev/caphash
and /dev/capuse devices for switching the UID.
(an interesting question of course is, how to allocate the
numerical UIDs for given usernames)


Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering -- +49-151-27565287

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