update reserved.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>

temp

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>

fix

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>

temp

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>

dd remain 1 little

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>

free reserved bytes

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
free reserved in exceeding quota.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
temp

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>