Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - NVMe pull request via Keith:
      - Various cleanups all around (Irvin, Chaitanya, Christophe)
      - Better struct packing (Christophe JAILLET)
      - Reduce controller error logs for optional commands (Keith)
      - Support for >=64KiB block sizes (Daniel Gomez)
      - Fabrics fixes and code organization (Max, Chaitanya, Daniel
        Wagner)

 - bcache updates via Coly:
      - Fix a race at init time (Mingzhe Zou)
      - Misc fixes and cleanups (Andrea, Thomas, Zheng, Ye)

 - use page pinning in the block layer for dio (David)

 - convert old block dio code to page pinning (David, Christoph)

 - cleanups for pktcdvd (Andy)

 - cleanups for rnbd (Guoqing)

 - use the unchecked __bio_add_page() for the initial single page
   additions (Johannes)

 - fix overflows in the Amiga partition handling code (Michael)

 - improve mq-deadline zoned device support (Bart)

 - keep passthrough requests out of the IO schedulers (Christoph, Ming)

 - improve support for flush requests, making them less special to deal
   with (Christoph)

 - add bdev holder ops and shutdown methods (Christoph)

 - fix the name_to_dev_t() situation and use cases (Christoph)

 - decouple the block open flags from fmode_t (Christoph)

 - ublk updates and cleanups, including adding user copy support (Ming)

 - BFQ sanity checking (Bart)

 - convert brd from radix to xarray (Pankaj)

 - constify various structures (Thomas, Ivan)

 - more fine grained persistent reservation ioctl capability checks
   (Jingbo)

 - misc fixes and cleanups (Arnd, Azeem, Demi, Ed, Hengqi, Hou, Jan,
   Jordy, Li, Min, Yu, Zhong, Waiman)

* tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux: (266 commits)
  scsi/sg: don't grab scsi host module reference
  ext4: Fix warning in blkdev_put()
  block: don't return -EINVAL for not found names in devt_from_devname
  cdrom: Fix spectre-v1 gadget
  block: Improve kernel-doc headers
  blk-mq: don't insert passthrough request into sw queue
  bsg: make bsg_class a static const structure
  ublk: make ublk_chr_class a static const structure
  aoe: make aoe_class a static const structure
  block/rnbd: make all 'class' structures const
  block: fix the exclusive open mask in disk_scan_partitions
  block: add overflow checks for Amiga partition support
  block: change all __u32 annotations to __be32 in affs_hardblocks.h
  block: fix signed int overflow in Amiga partition support
  block: add capacity validation in bdev_add_partition()
  block: fine-granular CAP_SYS_ADMIN for Persistent Reservation
  block: disallow Persistent Reservation on partitions
  reiserfs: fix blkdev_put() warning from release_journal_dev()
  block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
  block: document the holder argument to blkdev_get_by_path
  ...

1 files changed, 5 insertions, 87 deletions

diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index bf0230442d57..260b3554d821 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1802,58 +1802,12 @@ out_free_queues:
 	return ret;
 }
 
-static unsigned int nvme_tcp_nr_io_queues(struct nvme_ctrl *ctrl)
-{
-	unsigned int nr_io_queues;
-
-	nr_io_queues = min(ctrl->opts->nr_io_queues, num_online_cpus());
-	nr_io_queues += min(ctrl->opts->nr_write_queues, num_online_cpus());
-	nr_io_queues += min(ctrl->opts->nr_poll_queues, num_online_cpus());
-
-	return nr_io_queues;
-}
-
-static void nvme_tcp_set_io_queues(struct nvme_ctrl *nctrl,
-		unsigned int nr_io_queues)
-{
-	struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
-	struct nvmf_ctrl_options *opts = nctrl->opts;
-
-	if (opts->nr_write_queues && opts->nr_io_queues < nr_io_queues) {
-		/*
-		 * separate read/write queues
-		 * hand out dedicated default queues only after we have
-		 * sufficient read queues.
-		 */
-		ctrl->io_queues[HCTX_TYPE_READ] = opts->nr_io_queues;
-		nr_io_queues -= ctrl->io_queues[HCTX_TYPE_READ];
-		ctrl->io_queues[HCTX_TYPE_DEFAULT] =
-			min(opts->nr_write_queues, nr_io_queues);
-		nr_io_queues -= ctrl->io_queues[HCTX_TYPE_DEFAULT];
-	} else {
-		/*
-		 * shared read/write queues
-		 * either no write queues were requested, or we don't have
-		 * sufficient queue count to have dedicated default queues.
-		 */
-		ctrl->io_queues[HCTX_TYPE_DEFAULT] =
-			min(opts->nr_io_queues, nr_io_queues);
-		nr_io_queues -= ctrl->io_queues[HCTX_TYPE_DEFAULT];
-	}
-
-	if (opts->nr_poll_queues && nr_io_queues) {
-		/* map dedicated poll queues only if we have queues left */
-		ctrl->io_queues[HCTX_TYPE_POLL] =
-			min(opts->nr_poll_queues, nr_io_queues);
-	}
-}
-
 static int nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
 {
 	unsigned int nr_io_queues;
 	int ret;
 
-	nr_io_queues = nvme_tcp_nr_io_queues(ctrl);
+	nr_io_queues = nvmf_nr_io_queues(ctrl->opts);
 	ret = nvme_set_queue_count(ctrl, &nr_io_queues);
 	if (ret)
 		return ret;
@@ -1868,8 +1822,8 @@ static int nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
 	dev_info(ctrl->device,
 		"creating %d I/O queues.\n", nr_io_queues);
 
-	nvme_tcp_set_io_queues(ctrl, nr_io_queues);
-
+	nvmf_set_io_queues(ctrl->opts, nr_io_queues,
+			   to_tcp_ctrl(ctrl)->io_queues);
 	return __nvme_tcp_alloc_io_queues(ctrl);
 }
 
@@ -2449,44 +2403,8 @@ static blk_status_t nvme_tcp_queue_rq(struct blk_mq_hw_ctx *hctx,
 static void nvme_tcp_map_queues(struct blk_mq_tag_set *set)
 {
 	struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(set->driver_data);
-	struct nvmf_ctrl_options *opts = ctrl->ctrl.opts;
-
-	if (opts->nr_write_queues && ctrl->io_queues[HCTX_TYPE_READ]) {
-		/* separate read/write queues */
-		set->map[HCTX_TYPE_DEFAULT].nr_queues =
-			ctrl->io_queues[HCTX_TYPE_DEFAULT];
-		set->map[HCTX_TYPE_DEFAULT].queue_offset = 0;
-		set->map[HCTX_TYPE_READ].nr_queues =
-			ctrl->io_queues[HCTX_TYPE_READ];
-		set->map[HCTX_TYPE_READ].queue_offset =
-			ctrl->io_queues[HCTX_TYPE_DEFAULT];
-	} else {
-		/* shared read/write queues */
-		set->map[HCTX_TYPE_DEFAULT].nr_queues =
-			ctrl->io_queues[HCTX_TYPE_DEFAULT];
-		set->map[HCTX_TYPE_DEFAULT].queue_offset = 0;
-		set->map[HCTX_TYPE_READ].nr_queues =
-			ctrl->io_queues[HCTX_TYPE_DEFAULT];
-		set->map[HCTX_TYPE_READ].queue_offset = 0;
-	}
-	blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]);
-	blk_mq_map_queues(&set->map[HCTX_TYPE_READ]);
-
-	if (opts->nr_poll_queues && ctrl->io_queues[HCTX_TYPE_POLL]) {
-		/* map dedicated poll queues only if we have queues left */
-		set->map[HCTX_TYPE_POLL].nr_queues =
-				ctrl->io_queues[HCTX_TYPE_POLL];
-		set->map[HCTX_TYPE_POLL].queue_offset =
-			ctrl->io_queues[HCTX_TYPE_DEFAULT] +
-			ctrl->io_queues[HCTX_TYPE_READ];
-		blk_mq_map_queues(&set->map[HCTX_TYPE_POLL]);
-	}
-
-	dev_info(ctrl->ctrl.device,
-		"mapped %d/%d/%d default/read/poll queues.\n",
-		ctrl->io_queues[HCTX_TYPE_DEFAULT],
-		ctrl->io_queues[HCTX_TYPE_READ],
-		ctrl->io_queues[HCTX_TYPE_POLL]);
+
+	nvmf_map_queues(set, &ctrl->ctrl, ctrl->io_queues);
 }
 
 static int nvme_tcp_poll(struct blk_mq_hw_ctx *hctx, struct io_comp_batch *iob)