Messages in this thread | | | Date | Tue, 6 Jan 1998 21:45:12 -0500 (EST) | From | linux kernel account <> | Subject | Re: Overlay writable filesystem over r/o partition [long] |
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On Tue, 6 Jan 1998, Theodore Y. Ts'o wrote:
> It would be really, really, cool if someone could try to implement BSD's > unionfs for Linux. It's a really nice feature that we're missing in > Linux today. > > About the only ugly part of BSD's unionfs is that it requires libc > support to avoid duplicate names from readdir(). The problem with doing > this in the kernel is that it's really hard to have the kernel throw out > duplicate names. (You can do it, but it would require lots of memory > allocations, which you'd really rather not do in the kernel.) > > - Ted
Wouldn't Linux's wonderful dcache make this easier?
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