struct jffs2_acl_entry { … };
struct jffs2_acl_entry_short { … };
struct jffs2_acl_header { … };
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
struct posix_acl *jffs2_get_acl(struct inode *inode, int type, bool rcu);
int jffs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
struct posix_acl *acl, int type);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);
extern int jffs2_init_acl_post(struct inode *);
#else
#define jffs2_get_acl …
#define jffs2_set_acl …
#define jffs2_init_acl_pre …
#define jffs2_init_acl_post …
#endif