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    Subject[PATCH 0/3] Fix problems about handling bio to plug when bio merged failed.
    There are some problems about handling bio which merge to plug failed.
    Patch1 will avoid unnecessary plug should_sort test,although it's not a bug.
    Patch2 correct a bug when handle more devices,it leak some devices to trace plug-operation.

    Because the patch2,so it's not necessary to sort when flush plug.Although patch2 has
    O(n*n) complexity,it's more than list_sort which has O(nlog(n)) complexity.But the plug
    list is unlikely too long,so i think patch3 can accept.

    Jianpeng Ma (3):
    block: avoid unnecessary plug should_sort test.
    block: Fix not tracing all device plug-operation.
    block: Remove unnecessary requests sort.

    block/blk-core.c | 35 ++++++++++++++++++-----------------
    1 file changed, 18 insertions(+), 17 deletions(-)

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      Last update: 2012-08-10 14:42    [W:0.023 / U:33.872 seconds]
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