[PATCH -next] drbd: Add missing kernel-doc function comments.

[Yang Li]

Add missing kernel-doc function comments to enhance code readability and
maintainability in accordance with the kernel coding standards.

Signed-off-by: Yang Li <yang.lee at linux.alibaba.com>
---
 drivers/block/drbd/drbd_bitmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 85ca000a0564..746bb75ab2a4 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1213,6 +1213,7 @@ static int bm_rw(struct drbd_device *device, const unsigned int flags, unsigned
 /**
  * drbd_bm_read() - Read the whole bitmap from its on disk location.
  * @device:	DRBD device.
+ * @peer_device:	DRBD peer device.
  */
 int drbd_bm_read(struct drbd_device *device,
 		 struct drbd_peer_device *peer_device) __must_hold(local)
@@ -1224,6 +1225,7 @@ int drbd_bm_read(struct drbd_device *device,
 /**
  * drbd_bm_write() - Write the whole bitmap to its on disk location.
  * @device:	DRBD device.
+ * @peer_device:	DRBD peer device.
  *
  * Will only write pages that have changed since last IO.
  */
@@ -1236,6 +1238,7 @@ int drbd_bm_write(struct drbd_device *device,
 /**
  * drbd_bm_write_all() - Write the whole bitmap to its on disk location.
  * @device:	DRBD device.
+ * @peer_device:	DRBD peer device.
  *
  * Will write all pages.
  */
@@ -1258,6 +1261,7 @@ int drbd_bm_write_lazy(struct drbd_device *device, unsigned upper_idx) __must_ho
 /**
  * drbd_bm_write_copy_pages() - Write the whole bitmap to its on disk location.
  * @device:	DRBD device.
+ * @peer_device:	DRBD peer device.
  *
  * Will only write pages that have changed since last IO.
  * In contrast to drbd_bm_write(), this will copy the bitmap pages
-- 
2.32.0.3.g01195cf9f