On Thu, Oct 20, 2022 at 12:56:05PM +0200, Christoph Hellwig wrote: > From: Chao Leng <lengchao@xxxxxxxxxx> > > Drivers that have shared tagsets may need to quiesce potentially a lot > of request queues that all share a single tagset (e.g. nvme). Add an > interface to quiesce all the queues on a given tagset. This interface is > useful because it can speedup the quiesce by doing it in parallel. > > Because some queues should not need to be quiesced(e.g. nvme connect_q) > when quiesce the tagset. So introduce QUEUE_FLAG_SKIP_TAGSET_QUIESCE to > tagset quiesce interface to skip the queue. > > Signed-off-by: Chao Leng <lengchao@xxxxxxxxxx> > [hch: simplify for the per-tag_set srcu_struct] > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> Thanks, Ming
