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Tejun Heo 174fd8d369 blkcg: fix incorrect read/write sync/async stat accounting ...

While unifying how blkcg stats are collected, 77ea733884 ("blkcg:
move io_service_bytes and io_serviced stats into blkcg_gq")
incorrectly used bio->flags instead of bio->rw to tell the IO type.
This made IOs to be accounted as the wrong type.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: 77ea733884 ("blkcg: move io_service_bytes and io_serviced stats into blkcg_gq")
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

2015-10-27 15:04:56 +09:00

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