fsck.f2fs: avoid wrong IS_VALID_BLK_ADDR

This patch avoids to check next free block offset in current segments, since we
are using IS_VALID_BLK_ADDR during fsck which is able to be valid for a while.
Let's just check this at the end of fsck.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed