Merge tag 'block-6.11-20240906' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Mostly just some fixlets for NVMe, but also a bug fix for the ublk
  driver and an integrity fix"

* tag 'block-6.11-20240906' of git://git.kernel.dk/linux:
  bio-integrity: don't restrict the size of integrity metadata
  ublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery()
  nvmet: Identify-Active Namespace ID List command should reject invalid nsid
  nvme: set BLK_FEAT_ZONED for ZNS multipath disks
  nvme-pci: Add sleep quirk for Samsung 990 Evo
  nvme-pci: allocate tagset on reset if necessary
  nvmet-tcp: fix kernel crash if commands allocation fails
  nvme: use better description for async reset reason
  nvmet: Make nvmet_debugfs static

Author: torvalds

block/bio-integrity.c

@@ -167,10 +167,6 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
 	struct request_queue *q = bdev_get_queue(bio->bi_bdev);
 	struct bio_integrity_payload *bip = bio_integrity(bio);
 
-	if (((bip->bip_iter.bi_size + len) >> SECTOR_SHIFT) >
-	    queue_max_hw_sectors(q))
-		return 0;
-
 	if (bip->bip_vcnt > 0) {
 		struct bio_vec *bv = &bip->bip_vec[bip->bip_vcnt - 1];
 		bool same_page = false;

drivers/block/ublk_drv.c

@@ -2663,6 +2663,8 @@ static int ublk_ctrl_start_recovery(struct ublk_device *ub,
 	mutex_lock(&ub->mutex);
 	if (!ublk_can_use_recovery(ub))
 		goto out_unlock;
+	if (!ub->nr_queues_ready)
+		goto out_unlock;
 	/*
 	 * START_RECOVERY is only allowd after:
 	 *

drivers/nvme/host/core.c

@@ -4437,7 +4437,8 @@ static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
 
 static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl)
 {
-	dev_warn(ctrl->device, "resetting controller due to AER\n");
+	dev_warn(ctrl->device,
+		"resetting controller due to persistent internal error\n");
 	nvme_reset_ctrl(ctrl);
 }
 

drivers/nvme/host/multipath.c

@@ -616,7 +616,9 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
 	blk_set_stacking_limits(&lim);
 	lim.dma_alignment = 3;
 	lim.features |= BLK_FEAT_IO_STAT | BLK_FEAT_NOWAIT | BLK_FEAT_POLL;
-	if (head->ids.csi != NVME_CSI_ZNS)
+	if (head->ids.csi == NVME_CSI_ZNS)
+		lim.features |= BLK_FEAT_ZONED;
+	else
 		lim.max_zone_append_sectors = 0;
 
 	head->disk = blk_alloc_disk(&lim, ctrl->numa_node);

drivers/nvme/host/pci.c

@@ -2508,6 +2508,12 @@ static unsigned int nvme_pci_nr_maps(struct nvme_dev *dev)
 
 static void nvme_pci_update_nr_queues(struct nvme_dev *dev)
 {
+	if (!dev->ctrl.tagset) {
+		nvme_alloc_io_tag_set(&dev->ctrl, &dev->tagset, &nvme_mq_ops,
+				nvme_pci_nr_maps(dev), sizeof(struct nvme_iod));
+		return;
+	}
+
 	blk_mq_update_nr_hw_queues(&dev->tagset, dev->online_queues - 1);
 	/* free previously allocated queues that are no longer usable */
 	nvme_free_queues(dev, dev->online_queues);
@@ -2967,6 +2973,17 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
 		    dmi_match(DMI_BOARD_NAME, "NS5x_7xPU") ||
 		    dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1"))
 			return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND;
+	} else if (pdev->vendor == 0x144d && pdev->device == 0xa80d) {
+		/*
+		 * Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND
+		 * because of high power consumption (> 2 Watt) in s2idle
+		 * sleep. Only some boards with Intel CPU are affected.
+		 */
+		if (dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
+		    dmi_match(DMI_BOARD_NAME, "PH4PG31") ||
+		    dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") ||
+		    dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))
+			return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND;
 	}
 
 	/*

drivers/nvme/target/admin-cmd.c

@@ -587,6 +587,16 @@ static void nvmet_execute_identify_nslist(struct nvmet_req *req)
 	u16 status = 0;
 	int i = 0;
 
+	/*
+	 * NSID values 0xFFFFFFFE and NVME_NSID_ALL are invalid
+	 * See NVMe Base Specification, Active Namespace ID list (CNS 02h).
+	 */
+	if (min_nsid == 0xFFFFFFFE || min_nsid == NVME_NSID_ALL) {
+		req->error_loc = offsetof(struct nvme_identify, nsid);
+		status = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
+		goto out;
+	}
+
 	list = kzalloc(buf_size, GFP_KERNEL);
 	if (!list) {
 		status = NVME_SC_INTERNAL;

drivers/nvme/target/debugfs.c

@@ -13,7 +13,7 @@
 #include "nvmet.h"
 #include "debugfs.h"
 
-struct dentry *nvmet_debugfs;
+static struct dentry *nvmet_debugfs;
 
 #define NVMET_DEBUGFS_ATTR(field) \
 	static int field##_open(struct inode *inode, struct file *file) \

drivers/nvme/target/tcp.c

@@ -2146,8 +2146,10 @@ static u16 nvmet_tcp_install_queue(struct nvmet_sq *sq)
 	}
 
 	queue->nr_cmds = sq->size * 2;
-	if (nvmet_tcp_alloc_cmds(queue))
+	if (nvmet_tcp_alloc_cmds(queue)) {
+		queue->nr_cmds = 0;
 		return NVME_SC_INTERNAL;
+	}
 	return 0;
 }