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author	Jens Axboe <axboe@kernel.dk>
	Tue, 8 Aug 2017 23:51:45 +0000 (17:51 -0600)
committer	Jens Axboe <axboe@kernel.dk>
	Wed, 9 Aug 2017 19:09:28 +0000 (13:09 -0600)
commit	f299b7c7a9dee64425e5965bd4f56dc024c1befc
tree	d81520896fad3b9d3e87c19d538ec00c052d1b7c	tree
parent	0609e0efc5e15195ecf8c6d2f2e890d98760e337	commit \| diff

blk-mq: provide internal in-flight variant

We don't have to inc/dec some counter, since we can just
iterate the tags. That makes inc/dec a noop, but means we
have to iterate busy tags to get an in-flight count.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-mq.c		diff \| blob \| history
block/blk-mq.h		diff \| blob \| history
block/genhd.c		diff \| blob \| history
include/linux/genhd.h		diff \| blob \| history

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