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-rw-r--r--drivers/nvme/host/core.c18
-rw-r--r--drivers/nvme/host/multipath.c3
-rw-r--r--drivers/nvme/target/admin-cmd.c20
-rw-r--r--drivers/nvme/target/loop.c10
4 files changed, 23 insertions, 28 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 9a270e49df17..9b6ebeb29cca 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -93,16 +93,6 @@ static void nvme_put_subsystem(struct nvme_subsystem *subsys);
static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
unsigned nsid);
-static void nvme_update_bdev_size(struct gendisk *disk)
-{
- struct block_device *bdev = bdget_disk(disk, 0);
-
- if (bdev) {
- bd_set_nr_sectors(bdev, get_capacity(disk));
- bdput(bdev);
- }
-}
-
/*
* Prepare a queue for teardown.
*
@@ -119,8 +109,7 @@ static void nvme_set_queue_dying(struct nvme_ns *ns)
blk_set_queue_dying(ns->queue);
blk_mq_unquiesce_queue(ns->queue);
- set_capacity(ns->disk, 0);
- nvme_update_bdev_size(ns->disk);
+ set_capacity_and_notify(ns->disk, 0);
}
static void nvme_queue_scan(struct nvme_ctrl *ctrl)
@@ -2053,7 +2042,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
capacity = 0;
}
- set_capacity_revalidate_and_notify(disk, capacity, false);
+ set_capacity_and_notify(disk, capacity);
nvme_config_discard(disk, ns);
nvme_config_write_zeroes(disk, ns);
@@ -2134,7 +2123,6 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
blk_stack_limits(&ns->head->disk->queue->limits,
&ns->queue->limits, 0);
blk_queue_update_readahead(ns->head->disk->queue);
- nvme_update_bdev_size(ns->head->disk);
blk_mq_unfreeze_queue(ns->head->disk->queue);
}
#endif
@@ -3962,8 +3950,6 @@ out:
*/
if (ret && ret != -ENOMEM && !(ret > 0 && !(ret & NVME_SC_DNR)))
nvme_ns_remove(ns);
- else
- revalidate_disk_size(ns->disk, true);
}
static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 74896be40c17..106cf5c44ee7 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -312,8 +312,7 @@ blk_qc_t nvme_ns_head_submit_bio(struct bio *bio)
if (likely(ns)) {
bio->bi_disk = ns->disk;
bio->bi_opf |= REQ_NVME_MPATH;
- trace_block_bio_remap(bio->bi_disk->queue, bio,
- disk_devt(ns->head->disk),
+ trace_block_bio_remap(bio, disk_devt(ns->head->disk),
bio->bi_iter.bi_sector);
ret = submit_bio_noacct(bio);
} else if (nvme_available_path(head)) {
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index dca34489a1dc..8d90235e4fcc 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -89,12 +89,12 @@ static u16 nvmet_get_smart_log_nsid(struct nvmet_req *req,
if (!ns->bdev)
goto out;
- host_reads = part_stat_read(ns->bdev->bd_part, ios[READ]);
- data_units_read = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part,
- sectors[READ]), 1000);
- host_writes = part_stat_read(ns->bdev->bd_part, ios[WRITE]);
- data_units_written = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part,
- sectors[WRITE]), 1000);
+ host_reads = part_stat_read(ns->bdev, ios[READ]);
+ data_units_read =
+ DIV_ROUND_UP(part_stat_read(ns->bdev, sectors[READ]), 1000);
+ host_writes = part_stat_read(ns->bdev, ios[WRITE]);
+ data_units_written =
+ DIV_ROUND_UP(part_stat_read(ns->bdev, sectors[WRITE]), 1000);
put_unaligned_le64(host_reads, &slog->host_reads[0]);
put_unaligned_le64(data_units_read, &slog->data_units_read[0]);
@@ -120,12 +120,12 @@ static u16 nvmet_get_smart_log_all(struct nvmet_req *req,
/* we don't have the right data for file backed ns */
if (!ns->bdev)
continue;
- host_reads += part_stat_read(ns->bdev->bd_part, ios[READ]);
+ host_reads += part_stat_read(ns->bdev, ios[READ]);
data_units_read += DIV_ROUND_UP(
- part_stat_read(ns->bdev->bd_part, sectors[READ]), 1000);
- host_writes += part_stat_read(ns->bdev->bd_part, ios[WRITE]);
+ part_stat_read(ns->bdev, sectors[READ]), 1000);
+ host_writes += part_stat_read(ns->bdev, ios[WRITE]);
data_units_written += DIV_ROUND_UP(
- part_stat_read(ns->bdev->bd_part, sectors[WRITE]), 1000);
+ part_stat_read(ns->bdev, sectors[WRITE]), 1000);
}
put_unaligned_le64(host_reads, &slog->host_reads[0]);
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index f6d81239be21..07806016c09d 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -211,6 +211,8 @@ static int nvme_loop_init_request(struct blk_mq_tag_set *set,
(set == &ctrl->tag_set) ? hctx_idx + 1 : 0);
}
+static struct lock_class_key loop_hctx_fq_lock_key;
+
static int nvme_loop_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
unsigned int hctx_idx)
{
@@ -219,6 +221,14 @@ static int nvme_loop_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
BUG_ON(hctx_idx >= ctrl->ctrl.queue_count);
+ /*
+ * flush_end_io() can be called recursively for us, so use our own
+ * lock class key for avoiding lockdep possible recursive locking,
+ * then we can remove the dynamically allocated lock class for each
+ * flush queue, that way may cause horrible boot delay.
+ */
+ blk_mq_hctx_set_fq_lock_class(hctx, &loop_hctx_fq_lock_key);
+
hctx->driver_data = queue;
return 0;
}