Messages in this thread |  | | | From | Hans Reiser <> | | Date | Fri, 25 Jun 1999 12:30:48 +0000 (/etc/localtime) | | Subject | (reiserfs) Re: File systems are semantically impoverished compared to database and keyword systems: it is time to change! |
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Again, you said it better than me.
Hans
Albert D. Cahalan writes: > Acy James Stapp writes: > > > "Reparse points" or filters could be even more easily (and perhaps > > more fruitfully) implemented as part of the standard library. > > It is amazing how the sub-file issues resemble sub-process issues. > Threads could be more easily implemented as part of libc, but > performance and correctness would suffer. > > > This introduces another directory access on every open (to > > see if a directory has an .albod entry and hence should be treated > > as a file) even for non-albod aware apps. This might be a noticeable > > performance hit for certain apps. > > No kidding. You won't use this. I won't use this. Nobody will use this. > I think you are proposing "solutions" to brush away the problem. > > > Other advantages of a user-space implementation are fewer > > security concerns and portability to other OSs. > > Fewer security concerns? When a setuid app runs a user-space filter... > (and it must, since the system won't work otherwise) > > > However, the above directory structure wouldn't allow a file to > > impersonate a directory. > > There goes the correctness.
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