Merge tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - NVMe pull requests via Christoph:
      - handle number of queue changes in the TCP and RDMA drivers
        (Daniel Wagner)
      - allow changing the number of queues in nvmet (Daniel Wagner)
      - also consider host_iface when checking ip options (Daniel
        Wagner)
      - don't map pages which can't come from HIGHMEM (Fabio M. De
        Francesco)
      - avoid unnecessary flush bios in nvmet (Guixin Liu)
      - shrink and better pack the nvme_iod structure (Keith Busch)
      - add comment for unaligned "fake" nqn (Linjun Bao)
      - print actual source IP address through sysfs "address" attr
        (Martin Belanger)
      - various cleanups (Jackie Liu, Wolfram Sang, Genjian Zhang)
      - handle effects after freeing the request (Keith Busch)
      - copy firmware_rev on each init (Keith Busch)
      - restrict management ioctls to admin (Keith Busch)
      - ensure subsystem reset is single threaded (Keith Busch)
      - report the actual number of tagset maps in nvme-pci (Keith
        Busch)
      - small fabrics authentication fixups (Christoph Hellwig)
      - add common code for tagset allocation and freeing (Christoph
        Hellwig)
      - stop using the request_queue in nvmet (Christoph Hellwig)
      - set min_align_mask before calculating max_hw_sectors (Rishabh
        Bhatnagar)
      - send a rediscover uevent when a persistent discovery controller
        reconnects (Sagi Grimberg)
      - misc nvmet-tcp fixes (Varun Prakash, zhenwei pi)

 - MD pull request via Song:
      - Various raid5 fix and clean up, by Logan Gunthorpe and David
        Sloan.
      - Raid10 performance optimization, by Yu Kuai.

 - sbitmap wakeup hang fixes (Hugh, Keith, Jan, Yu)

 - IO scheduler switching quisce fix (Keith)

 - s390/dasd block driver updates (Stefan)

 - support for recovery for the ublk driver (ZiyangZhang)

 - rnbd drivers fixes and updates (Guoqing, Santosh, ye, Christoph)

 - blk-mq and null_blk map fixes (Bart)

 - various bcache fixes (Coly, Jilin, Jules)

 - nbd signal hang fix (Shigeru)

 - block writeback throttling fix (Yu)

 - optimize the passthrough mapping handling (me)

 - prepare block cgroups to being gendisk based (Christoph)

 - get rid of an old PSI hack in the block layer, moving it to the
   callers instead where it belongs (Christoph)

 - blk-throttle fixes and cleanups (Yu)

 - misc fixes and cleanups (Liu Shixin, Liu Song, Miaohe, Pankaj,
   Ping-Xiang, Wolfram, Saurabh, Li Jinlin, Li Lei, Lin, Li zeming,
   Miaohe, Bart, Coly, Gaosheng

* tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux: (162 commits)
  sbitmap: fix lockup while swapping
  block: add rationale for not using blk_mq_plug() when applicable
  block: adapt blk_mq_plug() to not plug for writes that require a zone lock
  s390/dasd: use blk_mq_alloc_disk
  blk-cgroup: don't update the blkg lookup hint in blkg_conf_prep
  nvmet: don't look at the request_queue in nvmet_bdev_set_limits
  nvmet: don't look at the request_queue in nvmet_bdev_zone_mgmt_emulate_all
  blk-mq: use quiesced elevator switch when reinitializing queues
  block: replace blk_queue_nowait with bdev_nowait
  nvme: remove nvme_ctrl_init_connect_q
  nvme-loop: use the tagset alloc/free helpers
  nvme-loop: store the generic nvme_ctrl in set->driver_data
  nvme-loop: initialize sqsize later
  nvme-fc: use the tagset alloc/free helpers
  nvme-fc: store the generic nvme_ctrl in set->driver_data
  nvme-fc: keep ctrl->sqsize in sync with opts->queue_size
  nvme-rdma: use the tagset alloc/free helpers
  nvme-rdma: store the generic nvme_ctrl in set->driver_data
  nvme-tcp: use the tagset alloc/free helpers
  nvme-tcp: store the generic nvme_ctrl in set->driver_data
  ...

Author: torvalds

MAINTAINERS

@@ -14582,6 +14582,15 @@ F:	drivers/nvme/common/
 F:	include/linux/nvme*
 F:	include/uapi/linux/nvme_ioctl.h
 
+NVM EXPRESS FABRICS AUTHENTICATION
+M:	Hannes Reinecke <[email protected]>
+L:	[email protected]
+S:	Supported
+F:	drivers/nvme/host/auth.c
+F:	drivers/nvme/target/auth.c
+F:	drivers/nvme/target/fabrics-cmd-auth.c
+F:	include/linux/nvme-auth.h
+
 NVM EXPRESS FC TRANSPORT DRIVERS
 M:	James Smart <[email protected]>
 L:	[email protected]

arch/s390/include/asm/scsw.h

@@ -215,6 +215,11 @@ union scsw {
 #define SNS2_ENV_DATA_PRESENT	0x10
 #define SNS2_INPRECISE_END	0x04
 
+/*
+ * architectured values for PPRC errors
+ */
+#define SNS7_INVALID_ON_SEC	0x0e
+
 /**
  * scsw_is_tm - check for transport mode scsw
  * @scsw: pointer to scsw

arch/s390/include/uapi/asm/dasd.h

@@ -182,6 +182,18 @@ typedef struct format_data_t {
 	unsigned int intensity;
 } format_data_t;
 
+/*
+ * struct dasd_copypair_swap_data_t
+ * represents all data necessary to issue a swap of the copy pair relation
+ */
+struct dasd_copypair_swap_data_t {
+	char primary[20]; /* BUSID of primary */
+	char secondary[20]; /* BUSID of secondary */
+
+	/* Reserved for future updates. */
+	__u8 reserved[64];
+};
+
 /*
  * values to be used for format_data_t.intensity
  * 0/8: normal format
@@ -326,6 +338,8 @@ struct dasd_snid_ioctl_data {
 #define BIODASDSATTR   _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
 /* Release Allocated Space */
 #define BIODASDRAS     _IOW(DASD_IOCTL_LETTER, 3, format_data_t)
+/* Swap copy pair relation */
+#define BIODASDCOPYPAIRSWAP _IOW(DASD_IOCTL_LETTER, 4, struct dasd_copypair_swap_data_t)
 
 /* Get Sense Path Group ID (SNID) data */
 #define BIODASDSNID    _IOWR(DASD_IOCTL_LETTER, 1, struct dasd_snid_ioctl_data)

block/bfq-cgroup.c

@@ -254,17 +254,12 @@ void bfqg_stats_update_completion(struct bfq_group *bfqg, u64 start_time_ns,
 
 #else /* CONFIG_BFQ_CGROUP_DEBUG */
 
-void bfqg_stats_update_io_add(struct bfq_group *bfqg, struct bfq_queue *bfqq,
-			      blk_opf_t opf) { }
 void bfqg_stats_update_io_remove(struct bfq_group *bfqg, blk_opf_t opf) { }
 void bfqg_stats_update_io_merged(struct bfq_group *bfqg, blk_opf_t opf) { }
 void bfqg_stats_update_completion(struct bfq_group *bfqg, u64 start_time_ns,
 				  u64 io_start_time_ns, blk_opf_t opf) { }
 void bfqg_stats_update_dequeue(struct bfq_group *bfqg) { }
-void bfqg_stats_set_start_empty_time(struct bfq_group *bfqg) { }
-void bfqg_stats_update_idle_time(struct bfq_group *bfqg) { }
 void bfqg_stats_set_start_idle_time(struct bfq_group *bfqg) { }
-void bfqg_stats_update_avg_queue_size(struct bfq_group *bfqg) { }
 
 #endif /* CONFIG_BFQ_CGROUP_DEBUG */
 

block/bfq-iosched.c

@@ -1925,7 +1925,7 @@ static void bfq_bfqq_handle_idle_busy_switch(struct bfq_data *bfqd,
 	bfqq->service_from_backlogged = 0;
 	bfq_clear_bfqq_softrt_update(bfqq);
 
-	bfq_add_bfqq_busy(bfqd, bfqq);
+	bfq_add_bfqq_busy(bfqq);
 
 	/*
 	 * Expire in-service queue if preemption may be needed for
@@ -2419,7 +2419,7 @@ static void bfq_remove_request(struct request_queue *q,
 		bfqq->next_rq = NULL;
 
 		if (bfq_bfqq_busy(bfqq) && bfqq != bfqd->in_service_queue) {
-			bfq_del_bfqq_busy(bfqd, bfqq, false);
+			bfq_del_bfqq_busy(bfqq, false);
 			/*
 			 * bfqq emptied. In normal operation, when
 			 * bfqq is empty, bfqq->entity.service and
@@ -3098,7 +3098,7 @@ void bfq_release_process_ref(struct bfq_data *bfqd, struct bfq_queue *bfqq)
 	 */
 	if (bfq_bfqq_busy(bfqq) && RB_EMPTY_ROOT(&bfqq->sort_list) &&
 	    bfqq != bfqd->in_service_queue)
-		bfq_del_bfqq_busy(bfqd, bfqq, false);
+		bfq_del_bfqq_busy(bfqq, false);
 
 	bfq_reassign_last_bfqq(bfqq, NULL);
 
@@ -3908,7 +3908,7 @@ static bool __bfq_bfqq_expire(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 			 */
 			bfqq->budget_timeout = jiffies;
 
-		bfq_del_bfqq_busy(bfqd, bfqq, true);
+		bfq_del_bfqq_busy(bfqq, true);
 	} else {
 		bfq_requeue_bfqq(bfqd, bfqq, true);
 		/*
@@ -5255,9 +5255,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
 	struct hlist_node *n;
 	struct bfq_group *bfqg = bfqq_group(bfqq);
 
-	if (bfqq->bfqd)
-		bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d",
-			     bfqq, bfqq->ref);
+	bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d", bfqq, bfqq->ref);
 
 	bfqq->ref--;
 	if (bfqq->ref)
@@ -5321,7 +5319,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
 		hlist_del_init(&item->woken_list_node);
 	}
 
-	if (bfqq->bfqd && bfqq->bfqd->last_completed_rq_bfqq == bfqq)
+	if (bfqq->bfqd->last_completed_rq_bfqq == bfqq)
 		bfqq->bfqd->last_completed_rq_bfqq = NULL;
 
 	kmem_cache_free(bfq_pool, bfqq);

block/bfq-iosched.h

@@ -993,20 +993,23 @@ void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg);
 /* ---------------- cgroups-support interface ---------------- */
 
 void bfqg_stats_update_legacy_io(struct request_queue *q, struct request *rq);
-void bfqg_stats_update_io_add(struct bfq_group *bfqg, struct bfq_queue *bfqq,
-			      blk_opf_t opf);
 void bfqg_stats_update_io_remove(struct bfq_group *bfqg, blk_opf_t opf);
 void bfqg_stats_update_io_merged(struct bfq_group *bfqg, blk_opf_t opf);
 void bfqg_stats_update_completion(struct bfq_group *bfqg, u64 start_time_ns,
 				  u64 io_start_time_ns, blk_opf_t opf);
 void bfqg_stats_update_dequeue(struct bfq_group *bfqg);
-void bfqg_stats_set_start_empty_time(struct bfq_group *bfqg);
-void bfqg_stats_update_idle_time(struct bfq_group *bfqg);
 void bfqg_stats_set_start_idle_time(struct bfq_group *bfqg);
-void bfqg_stats_update_avg_queue_size(struct bfq_group *bfqg);
 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 		   struct bfq_group *bfqg);
 
+#ifdef CONFIG_BFQ_CGROUP_DEBUG
+void bfqg_stats_update_io_add(struct bfq_group *bfqg, struct bfq_queue *bfqq,
+			      blk_opf_t opf);
+void bfqg_stats_set_start_empty_time(struct bfq_group *bfqg);
+void bfqg_stats_update_idle_time(struct bfq_group *bfqg);
+void bfqg_stats_update_avg_queue_size(struct bfq_group *bfqg);
+#endif
+
 void bfq_init_entity(struct bfq_entity *entity, struct bfq_group *bfqg);
 void bfq_bic_update_cgroup(struct bfq_io_cq *bic, struct bio *bio);
 void bfq_end_wr_async(struct bfq_data *bfqd);
@@ -1077,9 +1080,8 @@ void bfq_deactivate_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 void bfq_activate_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq);
 void bfq_requeue_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 		      bool expiration);
-void bfq_del_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq,
-		       bool expiration);
-void bfq_add_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq);
+void bfq_del_bfqq_busy(struct bfq_queue *bfqq, bool expiration);
+void bfq_add_bfqq_busy(struct bfq_queue *bfqq);
 
 /* --------------- end of interface of B-WF2Q+ ---------------- */
 

block/bfq-wf2q.c

@@ -1651,9 +1651,10 @@ void bfq_requeue_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq,
  * the service tree. As a special case, it can be invoked during an
  * expiration.
  */
-void bfq_del_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq,
-		       bool expiration)
+void bfq_del_bfqq_busy(struct bfq_queue *bfqq, bool expiration)
 {
+	struct bfq_data *bfqd = bfqq->bfqd;
+
 	bfq_log_bfqq(bfqd, bfqq, "del from busy");
 
 	bfq_clear_bfqq_busy(bfqq);
@@ -1674,8 +1675,10 @@ void bfq_del_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 /*
  * Called when an inactive queue receives a new request.
  */
-void bfq_add_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq)
+void bfq_add_bfqq_busy(struct bfq_queue *bfqq)
 {
+	struct bfq_data *bfqd = bfqq->bfqd;
+
 	bfq_log_bfqq(bfqd, bfqq, "add to busy");
 
 	bfq_activate_bfqq(bfqd, bfqq);

block/bio.c

@@ -760,8 +760,6 @@ EXPORT_SYMBOL(bio_put);
 static int __bio_clone(struct bio *bio, struct bio *bio_src, gfp_t gfp)
 {
 	bio_set_flag(bio, BIO_CLONED);
-	if (bio_flagged(bio_src, BIO_THROTTLED))
-		bio_set_flag(bio, BIO_THROTTLED);
 	bio->bi_ioprio = bio_src->bi_ioprio;
 	bio->bi_iter = bio_src->bi_iter;
 
@@ -1065,9 +1063,6 @@ void __bio_add_page(struct bio *bio, struct page *page,
 
 	bio->bi_iter.bi_size += len;
 	bio->bi_vcnt++;
-
-	if (!bio_flagged(bio, BIO_WORKINGSET) && unlikely(PageWorkingset(page)))
-		bio_set_flag(bio, BIO_WORKINGSET);
 }
 EXPORT_SYMBOL_GPL(__bio_add_page);
 
@@ -1276,9 +1271,6 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
  * fit into the bio, or are requested in @iter, whatever is smaller. If
  * MM encounters an error pinning the requested pages, it stops. Error
  * is returned only if 0 pages could be pinned.
- *
- * It's intended for direct IO, so doesn't do PSI tracking, the caller is
- * responsible for setting BIO_WORKINGSET if necessary.
  */
 int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
 {
@@ -1294,8 +1286,6 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
 		ret = __bio_iov_iter_get_pages(bio, iter);
 	} while (!ret && iov_iter_count(iter) && !bio_full(bio, 0));
 
-	/* don't account direct I/O as memory stall */
-	bio_clear_flag(bio, BIO_WORKINGSET);
 	return bio->bi_vcnt ? 0 : ret;
 }
 EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);
@@ -1754,7 +1744,8 @@ static int __init init_bio(void)
 	cpuhp_setup_state_multi(CPUHP_BIO_DEAD, "block/bio:dead", NULL,
 					bio_cpu_dead);
 
-	if (bioset_init(&fs_bio_set, BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS))
+	if (bioset_init(&fs_bio_set, BIO_POOL_SIZE, 0,
+			BIOSET_NEED_BVECS | BIOSET_PERCPU_CACHE))
 		panic("bio: can't allocate bios\n");
 
 	if (bioset_integrity_create(&fs_bio_set, BIO_POOL_SIZE))