#ifndef _CRAMFS_FS_SB#define _CRAMFS_FS_SB/* * cramfs super-block data in memory */struct cramfs_sb_info {unsigned long magic;unsigned long size;unsigned long blocks;unsigned long files;unsigned long flags;};staticinlinestruct cramfs_sb_info *CRAMFS_SB(struct super_block *sb){return sb->s_fs_info;}#endif