On Tue, Oct 12, 2021 at 11:06:51PM +0800, Ming Lei wrote: > > We can get rid of the QUEUE_FLAG_QUIESCED flag now and just look > > at ->quiesce_depth directly. > > I'd rather not to do that given we need to check QUEUE_FLAG_QUIESCED in fast > path. Checking an integer vs checking a bit is easier actually faster or at least the same speed depending on the architecture / micro architecture.
