Messages in this thread | | | Date | Tue, 28 Aug 2007 15:31:26 -0400 | From | Josef Sipek <> | Subject | Re: [PATCH 0/4] add killattr inode operation to allow filesystems to interpret ATTR_KILL_S*ID bits |
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On Tue, Aug 28, 2007 at 08:11:14PM +0100, Christoph Hellwig wrote: > > Sorry for not replying to the previsious revisions, but I've been out > for on vacation. > > I can't say I like this version. Now we've got callouts at two rather close > levels which is not very nice from the interface POV. > > Maybe preference is for the first scheme where we simply move interpreation > of the ATTR_KILL_SUID/ATTR_KILL_SGID into the setattr routine and provide > a nice helper for the normal filesystem to use. > > If people are really concerned about adding two lines of code to the > handfull of setattr operation there's a variant of this scheme that can > avoid it:
It's not about adding 2 lines of code - it's about adding the requirement for the fs to call a function.
> - notify_change is modified to not clear the ATTR_KILL_SUID/ATTR_KILL_SGID > but update ia_mode and the ia_valid flag to include ATTR_MODE. > - disk filesystems stay unchanged and never look at > ATTR_KILL_SUID/ATTR_KILL_SGID, but nfs can check for it and ignore > the ATTR_MODE flags and ia_valid in this case and do the right thing > on the server side.
Sounds reasonable.
Josef 'Jeff' Sipek.
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