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    SubjectRe: [osol-code] [PATCH v2] Add preadv and pwritev system calls.
    Arnd Bergmann wrote:
    > On Monday 15 December 2008, Gerd Hoffmann wrote:
    >> Jennifer Pioch wrote:
    >>> On 12/12/08, Gerd Hoffmann <kraxel@redhat.com> wrote:
    >>>> Free- and OpenBSD have it too. For Solaris I've found a feature request
    >>>> only. Dunno about MacOS/Darwin. Other un*xes which are important these
    >>>> days?
    >>> Do you know the ID of the feature request?
    >> #1167819 @ bugs.opensolaris.org
    >>
    >
    > Looks like they've been working on it for some time:
    > "Submit Date 25-MAY-1994"!
    >
    > Arnd <><

    No one's expended any serious time on it at all, it looks like, other than
    discussion.

    I see the one comment says that it can be done with lio_listio(3RT) (apparently
    in LIO_WAIT mode), and that interface does seem to offer all the preadv/pwritev
    functionality. That's not to say that we shouldn't implement preadv/pwritev
    literally, just that there should be a way to get that sort of functionality today.


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