{
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;
* 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) {
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);
* 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);
fail:
put_ldev(mdev);
- kfree(ndc);
+ kfree(new_disk_conf);
kfree(rs_plan_s);
out:
drbd_adm_finish(info, retcode);