Hi, There is fundamental issue in commit 328728630d9f2bf1 (scsi: core: avoid host-wide host_busy counter for scsi_mq) because SCSI's host busy counter may not be same with counter of blk-mq's inflight tags, especially in case of none io scheduler. So please revert the two commits. Ming Lei (2): Revert "scsi: core: fix scsi_host_queue_ready" Revert "scsi: core: avoid host-wide host_busy counter for scsi_mq" drivers/scsi/hosts.c | 24 +----------------------- drivers/scsi/scsi_lib.c | 21 +++++---------------- 2 files changed, 6 insertions(+), 39 deletions(-) Cc: Omar Sandoval <osandov@xxxxxx>, Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Cc: James Bottomley <james.bottomley@xxxxxxxxxxxxxxxxxxxxx>, Cc: Christoph Hellwig <hch@xxxxxx>, Cc: Don Brace <don.brace@xxxxxxxxxxxxx> Cc: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx> Cc: Mike Snitzer <snitzer@xxxxxxxxxx> Cc: Hannes Reinecke <hare@xxxxxxx> Cc: Laurence Oberman <loberman@xxxxxxxxxx> Cc: Bart Van Assche <bart.vanassche@xxxxxxx> Cc: Jens Axboe <axboe@xxxxxxxxx> -- 2.9.5
