406 	struct iovec iov = { .iov_base = buf, .iov_len = len };  in new_sync_read()
509 	struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len };  in new_sync_write()
757 		struct iovec iovec = iov_iter_iovec(iter);  in do_loop_readv_writev()  local
761 			nr = filp->f_op->read(filp, iovec.iov_base,  in do_loop_readv_writev()
762 					      iovec.iov_len, ppos);  in do_loop_readv_writev()
764 			nr = filp->f_op->write(filp, iovec.iov_base,  in do_loop_readv_writev()
765 					       iovec.iov_len, ppos);  in do_loop_readv_writev()
774 		if (nr != iovec.iov_len)  in do_loop_readv_writev()
911 static ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,  in vfs_readv()
914 	struct iovec iovstack[UIO_FASTIOV];  in vfs_readv()
915 	struct iovec *iov = iovstack;  in vfs_readv()
928 static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,  in vfs_writev()
931 	struct iovec iovstack[UIO_FASTIOV];  in vfs_writev()
932 	struct iovec *iov = iovstack;  in vfs_writev()
946 static ssize_t do_readv(unsigned long fd, const struct iovec __user *vec,  in do_readv()
970 static ssize_t do_writev(unsigned long fd, const struct iovec __user *vec,  in do_writev()
1000 static ssize_t do_preadv(unsigned long fd, const struct iovec __user *vec,  in do_preadv()
1023 static ssize_t do_pwritev(unsigned long fd, const struct iovec __user *vec,  in do_pwritev()
1046 SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()
1052 SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()
1058 SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()
1066 SYSCALL_DEFINE6(preadv2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()
1078 SYSCALL_DEFINE5(pwritev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()
1086 SYSCALL_DEFINE6(pwritev2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()
1106 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()
1114 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1124 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1134 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE6()
1147 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()
1155 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE5()
1165 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1175 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE6()