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    SubjectRe: .17rc5 cfq slab corruption.
    From
    Date
    Jens Axboe <axboe@suse.de> writes:

    > Yep, looks like that is missing as well. Care to send a proper patch and
    > I'll shove it in, too.

    Sorry.
    --
    OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

    [PATCH] Fix missing list_del(&__cic->queue_list)

    We should kill cic from cfqd->cic_list before freeing it.

    Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
    ---

    block/cfq-iosched.c | 1 +
    1 file changed, 1 insertion(+)

    diff -puN block/cfq-iosched.c~cfq-missing-list_del block/cfq-iosched.c
    --- linux-2.6/block/cfq-iosched.c~cfq-missing-list_del 2006-05-31 04:42:36.000000000 +0900
    +++ linux-2.6-hirofumi/block/cfq-iosched.c 2006-05-31 04:42:55.000000000 +0900
    @@ -1225,6 +1225,7 @@ static void cfq_free_io_context(struct i
    while ((n = rb_first(&ioc->cic_root)) != NULL) {
    __cic = rb_entry(n, struct cfq_io_context, rb_node);
    rb_erase(&__cic->rb_node, &ioc->cic_root);
    + list_del(&__cic->queue_list);
    kmem_cache_free(cfq_ioc_pool, __cic);
    freed++;
    }
    _
    -
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