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author	Christoph Hellwig <hch@lst.de>
	Tue, 15 Apr 2014 20:14:00 +0000 (14:14 -0600)
committer	Jens Axboe <axboe@fb.com>
	Tue, 15 Apr 2014 20:18:02 +0000 (14:18 -0600)
commit	24d2f90309b23f2cfe016b2aebc5f0d6e01c57fd
tree	10307829129eb8f96facbb89fefbba3c0032fb46	tree \| snapshot (tar.gz zip)
parent	ed44832dea8a74f909e0187f350201402927f5e5	commit \| diff

blk-mq: split out tag initialization, support shared tags

Add a new blk_mq_tag_set structure that gets set up before we initialize
the queue. A single blk_mq_tag_set structure can be shared by multiple
queues.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Modular export of blk_mq_{alloc,free}_tagset added by me.

Signed-off-by: Jens Axboe <axboe@fb.com>

block/blk-mq-cpumap.c		diff \| blob \| blame \| history
block/blk-mq-tag.c		diff \| blob \| blame \| history
block/blk-mq-tag.h		diff \| blob \| blame \| history
block/blk-mq.c		diff \| blob \| blame \| history
block/blk-mq.h		diff \| blob \| blame \| history
drivers/block/null_blk.c		diff \| blob \| blame \| history
drivers/block/virtio_blk.c		diff \| blob \| blame \| history
include/linux/blk-mq.h		diff \| blob \| blame \| history

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