f2fs-tools: f2fs_read() and f2fs_filesize_update() are added

This patch adds f2fs_read() and f2fs_filesize_update(). It also refactors
f2fs_write_block() and renamed as f2fs_write().

Signed-off-by: Hyojun Kim <hyojun@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
2 files changed