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    SubjectRe: [partial fix?] Re: Badblocks and no free pages...
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    > 		wakeup_bdflush(1);
    >
    > should say to the writing process "hold on a bit before you supply me
    > a new wave of buffers, as the write pipeline is already full enough
    > for efficient operation, and I'm already servicing it as fast as I can".

    One obvious solution for 2.1.x is to keep a per device highwater mark. This
    will also mean we can deal nicely with the "wrote 1.4Mb to fd0 and it'll
    be filling the disk cache for a while now.."


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