mkfs.f2fs: skip extension name that is too long

The length of extension name has a limit of 8 bytes. If an extension
exceeds the limitation, it will not be added to the extension_list.

Change-Id: I67765b42ff81a0e33b10aae9efa640f772187e9d
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed