debugfs: handle inline data feature in punch command

Now punch command only can remove all inline data because now
punch command is based on block unit and the size of inline data is
never beyond a block size.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
3 files changed