748 int chown_common(const struct path *path, uid_t user, gid_t group)  in chown_common()  argument
760 	gid = make_kgid(current_user_ns(), group);  in chown_common()
771 	if ((group != (gid_t)-1) && !setattr_vfsgid(&newattrs, gid))  in chown_common()
794 int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,  in do_fchownat()  argument
814 	error = chown_common(&path, user, group);  in do_fchownat()
827 		gid_t, group, int, flag)  in SYSCALL_DEFINE5()  argument
829 	return do_fchownat(dfd, filename, user, group, flag);  in SYSCALL_DEFINE5()
832 SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
834 	return do_fchownat(AT_FDCWD, filename, user, group, 0);  in SYSCALL_DEFINE3()
837 SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
839 	return do_fchownat(AT_FDCWD, filename, user, group,  in SYSCALL_DEFINE3()
843 int vfs_fchown(struct file *file, uid_t user, gid_t group)  in vfs_fchown()  argument
851 	error = chown_common(&file->f_path, user, group);  in vfs_fchown()
856 int ksys_fchown(unsigned int fd, uid_t user, gid_t group)  in ksys_fchown()  argument
862 		error = vfs_fchown(f.file, user, group);  in ksys_fchown()
868 SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
870 	return ksys_fchown(fd, user, group);  in SYSCALL_DEFINE3()