drbd: rename variable ndc to new_disk_conf

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

drivers/block/drbd/drbd_nl.c

@@ -1159,7 +1159,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 {
 	enum drbd_ret_code retcode;
 	struct drbd_conf *mdev;
-	struct disk_conf *ndc; /* new disk conf */
+	struct disk_conf *new_disk_conf;
 	int err, fifo_size;
 	int *rs_plan_s = NULL;
 
@@ -1184,39 +1184,39 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
  * some half-updated struct when we
  * assign it later. */
 
-	ndc = kmalloc(sizeof(*ndc), GFP_KERNEL);
-	if (!ndc) {
+	new_disk_conf = kmalloc(sizeof(*new_disk_conf), GFP_KERNEL);
+	if (!new_disk_conf) {
 		retcode = ERR_NOMEM;
 		goto fail;
 	}
 
-	memcpy(ndc, &mdev->ldev->dc, sizeof(*ndc));
+	memcpy(new_disk_conf, &mdev->ldev->dc, sizeof(*new_disk_conf));
 	if (should_set_defaults(info))
-		drbd_set_disk_conf_defaults(ndc);
+		drbd_set_disk_conf_defaults(new_disk_conf);
 
-	err = disk_conf_from_attrs_for_change(ndc, info);
+	err = disk_conf_from_attrs_for_change(new_disk_conf, info);
 	if (err) {
 		retcode = ERR_MANDATORY_TAG;
 		drbd_msg_put_info(from_attrs_err_to_txt(err));
 	}
 
-	if (!expect(ndc->resync_rate >= 1))
-		ndc->resync_rate = 1;
+	if (!expect(new_disk_conf->resync_rate >= 1))
+		new_disk_conf->resync_rate = 1;
 
 	/* clip to allowed range */
-	if (!expect(ndc->al_extents >= DRBD_AL_EXTENTS_MIN))
-		ndc->al_extents = DRBD_AL_EXTENTS_MIN;
-	if (!expect(ndc->al_extents <= DRBD_AL_EXTENTS_MAX))
-		ndc->al_extents = DRBD_AL_EXTENTS_MAX;
+	if (!expect(new_disk_conf->al_extents >= DRBD_AL_EXTENTS_MIN))
+		new_disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;
+	if (!expect(new_disk_conf->al_extents <= DRBD_AL_EXTENTS_MAX))
+		new_disk_conf->al_extents = DRBD_AL_EXTENTS_MAX;
 
 	/* most sanity checks done, try to assign the new sync-after
 	 * dependency.  need to hold the global lock in there,
 	 * to avoid a race in the dependency loop check. */
-	retcode = drbd_alter_sa(mdev, ndc->resync_after);
+	retcode = drbd_alter_sa(mdev, new_disk_conf->resync_after);
 	if (retcode != NO_ERROR)
 		goto fail;
 
-	fifo_size = (ndc->c_plan_ahead * 10 * SLEEP_TIME) / HZ;
+	fifo_size = (new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ;
 	if (fifo_size != mdev->rs_plan_s.size && fifo_size > 0) {
 		rs_plan_s   = kzalloc(sizeof(int) * fifo_size, GFP_KERNEL);
 		if (!rs_plan_s) {
@@ -1236,7 +1236,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 
 	wait_event(mdev->al_wait, lc_try_lock(mdev->act_log));
 	drbd_al_shrink(mdev);
-	err = drbd_check_al_size(mdev, ndc);
+	err = drbd_check_al_size(mdev, new_disk_conf);
 	lc_unlock(mdev->act_log);
 	wake_up(&mdev->al_wait);
 
@@ -1249,7 +1249,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 	 * To avoid someone looking at a half-updated struct, we probably
 	 * should have a rw-semaphor on net_conf and disk_conf.
 	 */
-	mdev->ldev->dc = *ndc;
+	mdev->ldev->dc = *new_disk_conf;
 
 	drbd_md_sync(mdev);
 
@@ -1259,7 +1259,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 
  fail:
 	put_ldev(mdev);
-	kfree(ndc);
+	kfree(new_disk_conf);
 	kfree(rs_plan_s);
  out:
 	drbd_adm_finish(info, retcode);