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    Subject[PATCH v2 2/3] block: add a helper to check elevator name
    Date
    From: Yu Kuai <yukuai3@huawei.com>

    The helper will be used in later patch to make sure wbt is not enabled
    if default io scheduler is bfq.

    Signed-off-by: Yu Kuai <yukuai3@huawei.com>
    ---
    block/elevator.h | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/block/elevator.h b/block/elevator.h
    index 3f0593b3bf9d..2ddc738cae97 100644
    --- a/block/elevator.h
    +++ b/block/elevator.h
    @@ -104,6 +104,11 @@ struct elevator_queue
    DECLARE_HASHTABLE(hash, ELV_HASH_BITS);
    };

    +static inline bool check_elevator_name(struct elevator_queue *elevator,
    + const char *name)
    +{
    + return elevator && !strcmp(elevator->type->elevator_name, name);
    +}
    /*
    * block elevator interface
    */
    --
    2.31.1
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