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    SubjectRe: [PATCH] dm.c - device-mapper I/O path fixes
    From
    md->pending was being incremented for each clone rather than just
    once. [Kevin Corry]

    --- diff/drivers/md/dm.c 2002-12-11 12:00:34.000000000 +0000
    +++ source/drivers/md/dm.c 2002-12-11 12:00:39.000000000 +0000
    @@ -310,7 +310,6 @@
    * anything, the target has assumed ownership of
    * this io.
    */
    - atomic_inc(&io->md->pending);
    atomic_inc(&io->io_count);
    r = ti->type->map(ti, clone);
    if (r > 0)
    @@ -424,6 +423,7 @@
    ci.sector_count = bio_sectors(bio);
    ci.idx = 0;

    + atomic_inc(&md->pending);
    while (ci.sector_count)
    __clone_and_map(&ci);

    -
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