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    SubjectRe: -mm merge plans for 2.6.21
    On Fri, 9 Feb 2007 01:05:57 -0800 Andrew Morton <akpm@linux-foundation.org> wrote:

    > On Fri, 9 Feb 2007 09:26:11 +0100 Sébastien Dugué <sebastien.dugue@bull.net> wrote:
    >
    > > On Fri, 9 Feb 2007 11:02:28 +0530 "Bharata B Rao" <bharata.rao@gmail.com> wrote:
    > >
    > > > Andrew,
    > > >
    > > > On 2/9/07, Andrew Morton <akpm@linux-foundation.org> wrote:
    > > > > fsaio-add-a-wait-queue-arg-to-the-wait_bit-action-routine.patch
    > > > > fsaio-add-a-wait-queue-arg-to-the-wait_bit-action-routine-gfs2-fix.patch
    > > > > fsaio-rename-__lock_page-to-lock_page_blocking.patch
    > > > > fsaio-interfaces-to-initialize-and-to-test-a-wait-bit-key.patch
    > > > > fsaio-add-a-default-io-wait-bit-field-in-task-struct.patch
    > > > > fsaio-enable-wait-bit-based-filtered-wakeups-to-work-for-aio.patch
    > > > > fsaio-enable-wait-bit-based-filtered-wakeups-to-work-for-aio-fix.patch
    > > > > fsaio-enable-wait-bit-based-filtered-wakeups-to-work-for-aio-fix-sparse-fix.patch
    > > > > fsaio-enable-asynchronous-wait-page-and-lock-page.patch
    > > > > fsaio-filesystem-aio-read.patch
    > > > > fsaio-aio-o_sync-filesystem-write.patch
    > > > >
    > > > > Will wait to see what happens with febrils.
    > > > >
    > > > > aio-is-unlikely.patch
    > > > >
    > > > > Will merge.
    > > > >
    > > > > rework-compat_sys_io_submit.patch
    > > > > fix-aioh-includes.patch
    > > > > fix-access_ok-checks.patch
    > > > > make-good_sigevent-non-static.patch
    > > > > make-good_sigevent-non-static-fix.patch
    > > > > make-__sigqueue_free-and.patch
    > > > > aio-completion-signal-notification.patch
    > > > > aio-completion-signal-notification-fix.patch
    > > > > aio-completion-signal-notification-fixes-and-cleanups.patch
    > > > > aio-completion-signal-notification-small-cleanup.patch
    > > > > add-listio-syscall-support.patch
    > > > >
    > > > > I guess these are dependent upon fsaio.
    > > >
    > > > No. AIO completion signal notification patches and listio patch work
    > > > independently of fsaio patches. Just that for buffered AIO case, the
    > > > fsaio patches will make the behaviour truly asynchronous.
    > > >
    > > > Regards,
    > > > Bharata.
    > >
    > > I concur.
    > >
    >
    > But is the proposed listio implementation still relevant if we go and add
    > the async syscalls?

    I think the listio syscall could be emulated in userspace using async
    syscalls.

    Even more, the whole POSIX AIO functions could benefit from this, rendering
    aio.c obsolete.

    Sébastien.
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