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    SubjectRe: [2.6.6-mm4-ff1] I/O context isolation
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    On Fri, 2004-05-21 at 09:57, Nick Piggin wrote:
    > FabF wrote:
    > > On Fri, 2004-05-21 at 09:38, Nick Piggin wrote:
    > >
    > >>FabF wrote:
    > >>
    > >>>Jens,
    > >>>
    > >>> Here's ff1 patchset to have generic I/O context.
    > >>>ff1 : Export io context operations from blkdev/ll_rw_blk (ok)
    > >>>ff2 : Make io_context generic plateform by importing IO stuff from
    > >>>as_io.
    > >>>
    > >>
    > >>Can I just ask why you want as_io_context in generic code?
    > >>It is currently nicely hidden away in as-iosched.c where
    > >>nobody else needs to ever see it.
    > >
    > > I do want I/O context to be generic not the whole as_io.
    > > That export should bring:
    > > -All elevators to use io_context
    > > -source tree to be more self-explanatory
    > > -have a stronger elevator interface
    > >
    >
    > Sorry, my mistake. as_io_context is not nicely hidden away at
    > the moment. I can't remember why, I think it is only needed
    > for the declaration... I'll look into moving it into as-iosched.c
    >
    > *But*, io_context is already exported to all elevators and generic
    > code.

    Well ff1 does that "concept split".We have
    -Elevator
    -Elevator interface
    -I/O context
    -Block management

    As none of you seems OK with further changes, I'll stop my effort right
    here but keep thinking ff1 is good :)

    Regards,
    FabF

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