summaryrefslogtreecommitdiff
path: root/drivers/nvme/host/multipath.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvme/host/multipath.c')
-rw-r--r--drivers/nvme/host/multipath.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index f81871c7128a..127a17b4c13d 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -349,6 +349,25 @@ static void nvme_ns_head_release(struct gendisk *disk, fmode_t mode)
nvme_put_ns_head(disk->private_data);
}
+#ifdef CONFIG_BLK_DEV_ZONED
+static int nvme_ns_head_report_zones(struct gendisk *disk, sector_t sector,
+ unsigned int nr_zones, report_zones_cb cb, void *data)
+{
+ struct nvme_ns_head *head = disk->private_data;
+ struct nvme_ns *ns;
+ int srcu_idx, ret = -EWOULDBLOCK;
+
+ srcu_idx = srcu_read_lock(&head->srcu);
+ ns = nvme_find_path(head);
+ if (ns)
+ ret = nvme_ns_report_zones(ns, sector, nr_zones, cb, data);
+ srcu_read_unlock(&head->srcu, srcu_idx);
+ return ret;
+}
+#else
+#define nvme_ns_head_report_zones NULL
+#endif /* CONFIG_BLK_DEV_ZONED */
+
const struct block_device_operations nvme_ns_head_ops = {
.owner = THIS_MODULE,
.submit_bio = nvme_ns_head_submit_bio,
@@ -356,7 +375,7 @@ const struct block_device_operations nvme_ns_head_ops = {
.release = nvme_ns_head_release,
.ioctl = nvme_ns_head_ioctl,
.getgeo = nvme_getgeo,
- .report_zones = nvme_report_zones,
+ .report_zones = nvme_ns_head_report_zones,
.pr_ops = &nvme_pr_ops,
};