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    SubjectRe: [RFC][PATCH] dm-cache (block level disk cache target): UPDATE
    On Wed, Oct 19, 2011 at 12:17:58PM -0400, Stephen Bromfield wrote:
    > Mr. Kleen,
    > We are working to make a patch for the 3.1 kernel. Till the patch is
    > complete, we hope that some of our users can benefit from this update.
    > As for your other comments, DM-cache is a work in progress and we will
    > try to address some of your issues in later patches. Thanks for your
    > feedback.

    Given the GFP_KERNEL issues in the IO path I have doubts the whole
    thing will run reliably under high load / low memory.

    So you should probably mark it "experimental / may eat your data"
    for now.


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