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SubjectRe: [PATCH] Introduce BSD-style user credential [3/3]
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On Saturday 31 August 2002 18:30, Trond Myklebust wrote:
> >>>>> " " == Linus Torvalds <torvalds@transmeta.com> writes:
>
> > One thing that may be interesting (I certainly think it migth
> > be), would be to add a "struct user_struct *" pointer to the
> > vfs_cred as well. This is because I'd just _love_ to have that
> > "user_struct" fed down to the VFS layer, since I think that is
> > where we may some day want to put things like user-supplied
> > cryptographic keys etc.
>
> > The advantage of "struct user_struct" (as opposed to just a
> > uid_t) is that it can have information that lives for the whole
> > duration of a login, and it's really the only kind of data
> > structure in the kernel that can track that kind of
> > information.
>
> No problem at all with this. Indeed I agree it makes a lot of sense...
>
> The only thing is if you'd allow me to do it as an incremental patch
> to the initial one?
> I don't see 'struct user_struct *' as replacing the existing 'uid'
> entry, so there should be no need to change the existing API. Instead,
> we can just add in the necessary call to alloc_uid() to
> vfscred_create() and/or setfsuid()...

I really do like Kai's name suggestion 'struct session'.

--
Daniel
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