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(parent: b2b164c) | patch
blk-mq: do not initialize req->special
authorChristoph Hellwig <hch@lst.de>
Mon, 14 Apr 2014 08:30:07 +0000 (10:30 +0200)
committerJens Axboe <axboe@fb.com>
Tue, 15 Apr 2014 20:03:02 +0000 (14:03 -0600)
commit83da1e5f8c5bfbe45988a3cc4376b8255d99fd6e
treec36c53290f8b5ed7f1ae9a89b534a9c3155c0491tree | snapshot
parentb2b164cadef0a7b26eac9b7df20e6ae9833dc8dfcommit | diff
blk-mq: do not initialize req->special

Drivers can reach their private data easily using the blk_mq_rq_to_pdu
helper and don't need req->special.  By not initializing it code can
be simplified nicely, and we also shave off a few more instructions from
the I/O path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-flush.c diff | blob | history
block/blk-mq.c diff | blob | history
block/blk-mq.h diff | blob | history
drivers/block/null_blk.c diff | blob | history
drivers/block/virtio_blk.c diff | blob | history
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