988 static ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,  in vfs_readv()
991 	struct iovec iovstack[UIO_FASTIOV];  in vfs_readv()
992 	struct iovec *iov = iovstack;  in vfs_readv()
1026 static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,  in vfs_writev()
1029 	struct iovec iovstack[UIO_FASTIOV];  in vfs_writev()
1030 	struct iovec *iov = iovstack;  in vfs_writev()
1066 static ssize_t do_readv(unsigned long fd, const struct iovec __user *vec,  in do_readv()
1089 static ssize_t do_writev(unsigned long fd, const struct iovec __user *vec,  in do_writev()
1118 static ssize_t do_preadv(unsigned long fd, const struct iovec __user *vec,  in do_preadv()
1139 static ssize_t do_pwritev(unsigned long fd, const struct iovec __user *vec,  in do_pwritev()
1160 SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()
1166 SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()
1172 SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()
1180 SYSCALL_DEFINE6(preadv2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()
1192 SYSCALL_DEFINE5(pwritev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()
1200 SYSCALL_DEFINE6(pwritev2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()
1220 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()
1228 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1238 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1248 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE6()
1261 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()
1269 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE5()
1279 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()
1289 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE6()