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authorKeith Busch <keith.busch@intel.com>2018-11-26 09:54:30 -0700
committerJens Axboe <axboe@kernel.dk>2018-11-26 10:34:27 -0700
commitaf78ff7c6e66832afcdf5418f67b11c409f9e7a1 (patch)
tree22b7a66b3c246d2793180f31ffa062f6cea74e37 /block/blk.h
parentf1342709d18af97b0e71449d5696b8873d1a456c (diff)
blk-mq: Simplify request completion state
There are no more users relying on blk-mq request states to prevent double completions, so replace the relatively expensive cmpxchg operation with WRITE_ONCE. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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