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authorJens Axboe <axboe@suse.de>2006-07-28 09:23:08 +0200
committerJens Axboe <axboe@nelson.home.kernel.dk>2006-09-30 20:26:56 +0200
commit9817064b68fef7e4580c6df1ea597e106b9ff88b (patch)
tree76c27990626247613e9efa45b792d51ad79635d7 /lib
parent4aff5e2333c9a1609662f2091f55c3f6fffdad36 (diff)
downloadlwn-9817064b68fef7e4580c6df1ea597e106b9ff88b.tar.gz
lwn-9817064b68fef7e4580c6df1ea597e106b9ff88b.zip
[PATCH] elevator: move the backmerging logic into the elevator core
Right now, every IO scheduler implements its own backmerging (except for noop, which does no merging). That results in duplicated code for essentially the same operation, which is never a good thing. This patch moves the backmerging out of the io schedulers and into the elevator core. We save 1.6kb of text and as a bonus get backmerging for noop as well. Win-win! Signed-off-by: Jens Axboe <axboe@suse.de>
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