#define SF_OFS 0x0200 /* Old filesystem */
#define SF_PREFIX 0x0400 /* Buffer for prefix is allocated */
#define SF_VERBOSE 0x0800 /* Talk about fs when mounting */
-#define SF_READONLY 0x1000 /* Don't allow to remount rw */
/* short cut to get to the affs specific sb data */
static inline struct affs_sb_info *AFFS_SB(struct super_block *sb)