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    blkcg: add blkcg_{init|drain|exit}_queue() · 5efd6113
    Tejun Heo authored
    Currently block core calls directly into blk-throttle for init, drain
    and exit.  This patch adds blkcg_{init|drain|exit}_queue() which wraps
    the blk-throttle functions.  This is to give more control and
    visiblity to blkcg core layer for proper layering.  Further patches
    will add logic common to blkcg policies to the functions.
    While at it, collapse blk_throtl_release() into blk_throtl_exit().
    There's no reason to keep them separate.
    Signed-off-by: default avatarTejun Heo <>
    Cc: Vivek Goyal <>
    Signed-off-by: default avatarJens Axboe <>