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    Subject[take2 0/4] kevent: introduction.
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    I send this patchset for comments and review, it still contains AIO and
    aio_sendfile() implementation on top of get_block() abstraction, which was
    decided to postpone for a while (it is simpler right now to generate patchset as a whole,
    when kevent will be ready for merge, I will generate patchset without AIO stuff).
    It does not contain mapped buffer implementation, since it's design is not 100%
    completed, I will present that implementation in the third patchset.

    Changes from previous patchset:
    - rebased against 2.6.18-git tree
    - removed ioctl controlling
    - added new syscall kevent_get_events(int fd, unsigned int min_nr, unsigned int max_nr,
    unsigned int timeout, void __user *buf, unsigned flags)
    - use old syscall kevent_ctl for creation/removing, modification and initial kevent
    initialization
    - use mutuxes instead of semaphores
    - added file descriptor check and return error if provided descriptor does not match
    kevent file operations
    - various indent fixes
    - removed aio_sendfile() declarations.

    Thank you.

    Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>


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