blk-mq: fix WARNING "percpu_ref_kill() called more than once!"

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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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Ming Lei 2014-08-15 23:16:32 +08:00 • committed by Jens Axboe

parent c9d26423e5

commit dd84008708

1 changed files with 0 additions and 4 deletions

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block/blk-mq.c

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