F2FS_BLKSIZE 23 include/linux/f2fs_fs.h #define F2FS_BLK_ALIGN(x) (((x) + F2FS_BLKSIZE - 1) / F2FS_BLKSIZE) F2FS_BLKSIZE 335 include/linux/f2fs_fs.h #define SUM_JOURNAL_SIZE (F2FS_BLKSIZE - SUM_FOOTER_SIZE -\