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scsi: target/core: Simplify transport_clear_lun_ref()
Since transport_clear_lun_ref() already waits until the percpu-refcount .release() method is called, it is not necessary to wait first until percpu_ref_kill_and_confirm() has finished transitioning the refcount into atomic mode. Remove the code that waits for percpu_ref_kill_and_confirm() to complete and also the completion object that is used by that code. This patch does not change the behavior of the SCSI target code. Cc: Nicholas Bellinger <[email protected]> Cc: Mike Christie <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: David Disseldorp <[email protected]> Cc: Hannes Reinecke <[email protected]> Signed-off-by: Bart Van Assche <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
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