Currently, process_msg_open_rsp checks if capacity changed or not before
call rnbd_clt_change_capacity while the checking also make sense for
rnbd_clt_resize_dev_store, let's move the checking into the function.
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
---
drivers/block/rnbd/rnbd-clt.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index 53f216be8615..84fd509c2626 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -71,6 +71,12 @@ static inline bool rnbd_clt_get_dev(struct rnbd_clt_dev *dev)
static int rnbd_clt_change_capacity(struct rnbd_clt_dev *dev,
size_t new_nsectors)
{
+ if (get_capacity(dev->gd) == new_nsectors)
+ return 0;
+
+ /*
+ * If the size changed, we need to revalidate it
+ */
rnbd_clt_info(dev, "Device size changed from %llu to %zu sectors\n",
get_capacity(dev->gd), new_nsectors);
set_capacity_and_notify(dev->gd, new_nsectors);
@@ -93,12 +99,7 @@ static int process_msg_open_rsp(struct rnbd_clt_dev *dev,
if (dev->dev_state == DEV_STATE_MAPPED_DISCONNECTED) {
u64 nsectors = le64_to_cpu(rsp->nsectors);
- /*
- * If the device was remapped and the size changed in the
- * meantime we need to revalidate it
- */
- if (get_capacity(dev->gd) != nsectors)
- rnbd_clt_change_capacity(dev, nsectors);
+ rnbd_clt_change_capacity(dev, nsectors);
gd_kobj = &disk_to_dev(dev->gd)->kobj;
kobject_uevent(gd_kobj, KOBJ_ONLINE);
rnbd_clt_info(dev, "Device online, device remapped successfully\n");
--
2.31.1
