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authorJens Axboe <axboe@suse.de>2006-07-13 11:55:04 +0200
committerJens Axboe <axboe@nelson.home.kernel.dk>2006-09-30 20:26:57 +0200
commit2e662b65f05d550b6799ed6bfa9963b82279e6b7 (patch)
tree82911ec73a52d149d74a3d13c3c5eedb269a19cb /block/as-iosched.c
parent10fd48f2376db52f08bf0420d2c4f580e39269e1 (diff)
[PATCH] elevator: abstract out the rbtree sort handling
The rbtree sort/lookup/reposition logic is mostly duplicated in cfq/deadline/as, so move it to the elevator core. The io schedulers still provide the actual rb root, as we don't want to impose any sort of specific handling on the schedulers. Introduce the helpers and rb_node in struct request to help migrate the IO schedulers. Signed-off-by: Jens Axboe <axboe@suse.de>
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