Messages in this thread |  | | Subject | Re: [PATCH] in-core AFS multiplexor and PAG support | From | Trond Myklebust <> | Date | 13 May 2003 19:23:27 +0200 |
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>>>>> " " == Linus Torvalds <torvalds@transmeta.com> writes:
> Put another way: you'd usually add the PAG's at filesystem > _mount_ time, no? And at that point you'd usually want to add > it "retroactively" to the session processes that caused the > mount to happen, no? Not just to the children of the mount.
Think of PAGs as "session"-style management of credentials. If you want to add/remove a credential without sharing that operation with all the other processes that are currently in the same session/PAG then you change PAGs. Otherwise, the credential operation affects all processes in the same PAG.
Under normal circumstances, changing real uid/gid should involve changing your PAG, but it doesn't necessarily have to do so.
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