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    SubjectRe: [RFC PATCH] vfs: new open(2) flag to open filesystem node
    On Sun, 5 Jul 2009, Ulrich Drepper wrote:
    > On Sun, Jul 5, 2009 at 17:40, Linus
    > Torvalds<> wrote:
    > > O_SEARCH is only meaningful for directories. For anything else, it's not
    > > at all POSIX - it's expressly defined to be "undefined".
    > And this is why there is the differentiation with O_EXEC. Yes, i
    > didn't mention it in the last email. But I mentioned it when it came
    > up the first time.
    > I don't say this is indeed what is wanted/needed here. But there are
    > IMO some similarities and I think implementing O_SEARCH and O_EXEC is
    > desirable.

    O_SEARCH loosens the security model somewhat: a process could keep
    search access to a directory even after the permissions have been

    O_EXEC is similar, but "execute" is really not an access, just a flag,


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