On Sun, Aug 25, 2013 at 12:57:25PM -0700, Linus Torvalds wrote: > Yes. I think we should do this, but I think we should also look at > what _other_ LOOKUP_xyz we should do for the /proc case. > > For the read-only fd case, we should have a LOOKUP_WRITE flag, and > return -EPERM if an operation is a write, and we terminate in that > LAST_BIND case. > > That would catch the truncate() case, but also the "open a read-only > fd for write or O_TRUNC" case. > > Anything else? What other path operations matter that follow links > than truncate(), link() and open()?
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