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authorLinus Torvalds <torvalds@linux-foundation.org>2020-07-17 10:45:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-07-17 10:45:36 -0700
commitc9ea87dc6c3f48a8de02019fe52472a6cdfedd65 (patch)
treef64718c3392a66d75161e75623305d832977bb9f
parent0dd68a34eccd598109eb845d107a7e8e196745db (diff)
parent1f273e255b285282707fa3246391f66e9dc4178f (diff)
downloadmvebu-c9ea87dc6c3f48a8de02019fe52472a6cdfedd65.tar.gz
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
-rw-r--r--drivers/nvme/host/core.c1
-rw-r--r--drivers/nvme/host/nvme.h13
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 8410d03b940d74..add040168e67e2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1980,6 +1980,7 @@ static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
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;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2ef8d501e2a87c..1de3f9b827aa56 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -604,6 +604,16 @@ static inline void nvme_trace_bio_complete(struct request *req,
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;
@@ -679,6 +689,9 @@ static inline void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys)
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 */
#ifdef CONFIG_NVM