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    SubjectRe: [RFC][PATCH] Per file dirty limit throttling
    * Peter Zijlstra <peterz@infradead.org> [2010-08-18 16:25:18]:

    > On Wed, 2010-08-18 at 19:38 +0530, Balbir Singh wrote:
    >
    > > There is an ongoing effort to look at per-cgroup dirty limits and I
    > > honestly think it would be nice to do it at that level first. We need
    > > it there as a part of the overall I/O controller. As a specialized
    > > need it could handle your case as well.
    >
    > Well, it would be good to isolate that to the cgroup code. Also from
    > what I understood, the plan was to simply mark dirty inodes with a
    > cgroup and use that from writeout_inodes() to write out inodes
    > specifically used by that cgroup.
    >
    > That is, on top of what Andrea Righi already proposed, which would
    > provide the actual per cgroup dirty limit (although the per-bdi
    > proportions applied to a cgroup limit aren't strictly correct, but that
    > seems to be something you'll have to live with, a per-bdi-per-cgroup
    > proportion would simply be accounting insanity).
    >
    > That is a totally different thing than what was proposed.

    Understood, I was indirectly trying to get Nikanth to look at cgroups
    since he was interested in the dirtier (as in task).


    --
    Three Cheers,
    Balbir


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