extern int build_open_flags(const struct open_how *how, struct open_flags *op);
long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
-long do_faccessat(int dfd, const char __user *filename, int mode);
int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
int flag);
/*
* fs/stat.c:
*/
-unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags, int flags);
-int cp_statx(const struct kstat *stat, struct statx __user *buffer);
+int do_statx(int dfd, const char __user *filename, unsigned flags,
+ unsigned int mask, struct statx __user *buffer);