Merge tag 'for-5.14/drivers-2021-06-29' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:
 "Pretty calm round, mostly just NVMe and a bit of MD:

   - NVMe updates (via Christoph)
        - improve the APST configuration algorithm (Alexey Bogoslavsky)
        - look for StorageD3Enable on companion ACPI device
          (Mario Limonciello)
        - allow selecting the network interface for TCP connections
          (Martin Belanger)
        - misc cleanups (Amit Engel, Chaitanya Kulkarni, Colin Ian King,
          Christoph)
        - move the ACPI StorageD3 code to drivers/acpi/ and add quirks
          for certain AMD CPUs (Mario Limonciello)
        - zoned device support for nvmet (Chaitanya Kulkarni)
        - fix the rules for changing the serial number in nvmet
          (Noam Gottlieb)
        - various small fixes and cleanups (Dan Carpenter, JK Kim,
          Chaitanya Kulkarni, Hannes Reinecke, Wesley Sheng, Geert
          Uytterhoeven, Daniel Wagner)

   - MD updates (Via Song)
        - iostats rewrite (Guoqing Jiang)
        - raid5 lock contention optimization (Gal Ofri)

   - Fall through warning fix (Gustavo)

   - Misc fixes (Gustavo, Jiapeng)"

* tag 'for-5.14/drivers-2021-06-29' of git://git.kernel.dk/linux-block: (78 commits)
  nvmet: use NVMET_MAX_NAMESPACES to set nn value
  loop: Fix missing discard support when using LOOP_CONFIGURE
  nvme.h: add missing nvme_lba_range_type endianness annotations
  nvme: remove zeroout memset call for struct
  nvme-pci: remove zeroout memset call for struct
  nvmet: remove zeroout memset call for struct
  nvmet: add ZBD over ZNS backend support
  nvmet: add Command Set Identifier support
  nvmet: add nvmet_req_bio put helper for backends
  nvmet: add req cns error complete helper
  block: export blk_next_bio()
  nvmet: remove local variable
  nvmet: use nvme status value directly
  nvmet: use u32 type for the local variable nsid
  nvmet: use u32 for nvmet_subsys max_nsid
  nvmet: use req->cmd directly in file-ns fast path
  nvmet: use req->cmd directly in bdev-ns fast path
  nvmet: make ver stable once connection established
  nvmet: allow mn change if subsys not discovered
  nvmet: make sn stable once connection was established
  ...

diff --cc drivers/acpi/device_pm.c
Simple merge

diff --cc drivers/acpi/internal.h
Simple merge

diff --cc drivers/block/floppy.c
Simple merge

diff --cc drivers/block/loop.c
Simple merge

diff --cc drivers/block/sunvdc.c
Simple merge

diff --cc drivers/block/sx8.c
Simple merge

diff --cc drivers/block/z2ram.c
Simple merge

diff --cc drivers/md/md.c
index d806be8cc2107e09b98ccb61bde8185c08b327d5,2c69905dd5c0a2bc036a9d5205568fcd56b1ba8c..ae8fe54ea358194382d5951cd14d83338145dd43
--- 1/drivers/md/md.c
--- 2/drivers/md/md.c
+++ b/drivers/md/md.c
@@@ -5703,19 -5675,21 +5673,14 @@@ static int md_alloc(dev_t dev, char *na
                 */
                mddev->hold_active = UNTIL_STOP;
  
-       error = mempool_init_kmalloc_pool(&mddev->md_io_pool, BIO_POOL_SIZE,
-                                         sizeof(struct md_io));
-       if (error)
-               goto abort;
- 
        error = -ENOMEM;
 -      mddev->queue = blk_alloc_queue(NUMA_NO_NODE);
 -      if (!mddev->queue)
 +      disk = blk_alloc_disk(NUMA_NO_NODE);
 +      if (!disk)
                goto abort;
  
 -      blk_set_stacking_limits(&mddev->queue->limits);
 -
 -      disk = alloc_disk(1 << shift);
 -      if (!disk) {
 -              blk_cleanup_queue(mddev->queue);
 -              mddev->queue = NULL;
 -              goto abort;
 -      }
        disk->major = MAJOR(mddev->unit);
        disk->first_minor = unit << shift;
 +      disk->minors = 1 << shift;
        if (name)
                strcpy(disk->disk_name, name);
        else if (partitioned)

diff --cc drivers/md/md.h
Simple merge

diff --cc drivers/md/raid5.c
Simple merge

diff --cc drivers/nvme/host/Kconfig
Simple merge

diff --cc drivers/nvme/host/core.c
Simple merge

diff --cc drivers/nvme/host/fc.c
index f183f9fa03d0e18223c2e02e4eade52f13401d26,8a3c4814d21b78034fba903994674fd2db870b84..7600863f7752b1f886420763140035b096bce4bb
--- 1/drivers/nvme/host/fc.c
--- 2/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@@ -3112,10 -3111,9 +3112,10 @@@ nvme_fc_create_association(struct nvme_
        }
  
        /* FC-NVME supports normal SGL Data Block Descriptors */
-       if (!(ctrl->ctrl.sgls & ((1 << 0) | (1 << 1)))) {
+       if (!nvme_ctrl_sgl_supported(&ctrl->ctrl)) {
                dev_err(ctrl->ctrl.device,
                        "Mandatory sgls are not supported!\n");
 +              ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
                goto out_disconnect_admin_queue;
        }
  

diff --cc drivers/nvme/host/multipath.c
Simple merge

diff --cc drivers/nvme/host/rdma.c
Simple merge

diff --cc drivers/nvme/target/core.c
Simple merge

diff --cc drivers/nvme/target/nvmet.h
Simple merge

diff --cc include/linux/acpi.h
Simple merge

diff --cc include/linux/bio.h
Simple merge