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authorTejun Heo <tj@kernel.org>2012-06-04 20:40:59 -0700
committerJens Axboe <axboe@kernel.dk>2012-06-25 11:53:52 +0200
commit5b788ce3e2acac9bf109743b1281d77347cf2101 (patch)
tree907477e42d27bec9a2060fcc709402b7636390c9 /Documentation/block
parent8a5ecdd42862bf87ceab00bf2a15d7eabf58c02d (diff)
block: prepare for multiple request_lists
Request allocation is about to be made per-blkg meaning that there'll be multiple request lists. * Make queue full state per request_list. blk_*queue_full() functions are renamed to blk_*rl_full() and takes @rl instead of @q. * Rename blk_init_free_list() to blk_init_rl() and make it take @rl instead of @q. Also add @gfp_mask parameter. * Add blk_exit_rl() instead of destroying rl directly from blk_release_queue(). * Add request_list->q and make request alloc/free functions - blk_free_request(), [__]freed_request(), __get_request() - take @rl instead of @q. This patch doesn't introduce any functional difference. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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