Merge tag 'block-5.8-2020-07-17' of git://git.kernel.dk/linux-block into master

Pull block fix from Jens Axboe:
"Single NVMe multipath capacity fix"

* tag 'block-5.8-2020-07-17' of git://git.kernel.dk/linux-block:
nvme: explicitly update mpath disk capacity on revalidation

drivers/nvme/host/core.c

···
 	if (ns->head->disk) {
 		nvme_update_disk_info(ns->head->disk, ns, id);
 		blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
+		nvme_mpath_update_disk_size(ns->head->disk);
 	}
 #endif
 	return 0;

drivers/nvme/host/nvme.h

···
 		trace_block_bio_complete(ns->head->disk->queue, req->bio);
 }
 
+static inline void nvme_mpath_update_disk_size(struct gendisk *disk)
+{
+	struct block_device *bdev = bdget_disk(disk, 0);
+
+	if (bdev) {
+		bd_set_size(bdev, get_capacity(disk) << SECTOR_SHIFT);
+		bdput(bdev);
+	}
+}
+
 extern struct device_attribute dev_attr_ana_grpid;
 extern struct device_attribute dev_attr_ana_state;
 extern struct device_attribute subsys_attr_iopolicy;
···
 {
 }
 static inline void nvme_mpath_start_freeze(struct nvme_subsystem *subsys)
+{
+}
+static inline void nvme_mpath_update_disk_size(struct gendisk *disk)
 {
 }
 #endif /* CONFIG_NVME_MULTIPATH */