[take2 0/4] kevent: introduction.

From: Evgeniy Polyakov
Date: Tue Aug 01 2006 - 05:08:35 EST

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
- 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@xxxxxxxxxxx>

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