[PATCH 2/4] libnvdimm/pmem: implement ->set_read_only to hook into BLKROSET processing

[Huaisheng Ye]

Implement the ->set_read_only method for nd_pmem.

Signed-off-by: Huaisheng Ye <huaisheng.ye@xxxxxxxxx>
---
 drivers/nvdimm/pmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index ef4950f80832..38ede1f44f5f 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -282,6 +282,7 @@ static const struct block_device_operations pmem_fops = {
 	.owner =		THIS_MODULE,
 	.submit_bio =		pmem_submit_bio,
 	.rw_page =		pmem_rw_page,
+	.set_read_only =	nd_set_ro,
 };
 
 static int pmem_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,
-- 
2.27.0