> > > RTFS. permission() doesn't do "is that vfsmount read-only" checks, exactly > > > because it's 100% bogus - either you cover it with entire area where we > > > are guaranteed to stay r/w, or it's by definition racy. > > > > I know that. > > > > That does not mean, that fh_verify() needs to do vfsmount r/o checks. > > AFAICS it's perfectly OK to do that later, around the vfs_ call. > > ... and around everything else that happens to be done after fh_verify > for write access, surely? What in particular? You have managed to avoid answering this question for the last...I don't know how many emails. > Note that e.g. nfsd_setattr() does _not_ call > vfs_<anything>()... Yes it does: notify_change(). It's vfs_setattr() under a pseudonym. Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html