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    SubjectRe: [Linux-cluster] Re: [PATCH 00/14] GFS
    David Teigland wrote:
    > On Tue, Aug 02, 2005 at 09:45:24AM +0200, Arjan van de Ven wrote:
    >
    >>* Why are you using bufferheads extensively in a new filesystem?
    >
    >
    > bh's are used for metadata, the log, and journaled data which need to be
    > written at the block granularity, not page.
    >

    In a scsi tree
    http://kernel.org/git/?p=linux/kernel/git/jejb/scsi-block-2.6.git;a=summary
    there is a function, bio_map_kern(), in fs.c that maps a buffer into a
    bio. It does not have to be page granularity. Can something like that be
    used in these places?
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