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authorMing Lei <ming.lei@canonical.com>2014-08-15 23:16:32 +0800
committerJens Axboe <axboe@fb.com>2014-08-15 12:38:20 -0600
commitdd840087086f3b93ac20f7472b4fca59aff7b79f (patch)
tree7041c173625a6099816b920f8f27c1b044a5fda4 /include/linux
parentc9d26423e56ce1ab4d786f92aebecf859d419293 (diff)
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blk-mq: fix WARNING "percpu_ref_kill() called more than once!"
Before doing queue release, the queue has been freezed already by blk_cleanup_queue(), so needn't to freeze queue for deleting tag set. This patch fixes the WARNING of "percpu_ref_kill() called more than once!" which is triggered during unloading block driver. Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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