900 static ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,  in vfs_readv()  argument
908 	ret = import_iovec(READ, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_readv()
917 static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,  in vfs_writev()  argument
925 	ret = import_iovec(WRITE, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_writev()
935 static ssize_t do_readv(unsigned long fd, const struct iovec __user *vec,  in do_readv()  argument
947 		ret = vfs_readv(f.file, vec, vlen, ppos, flags);  in do_readv()
959 static ssize_t do_writev(unsigned long fd, const struct iovec __user *vec,  in do_writev()  argument
971 		ret = vfs_writev(f.file, vec, vlen, ppos, flags);  in do_writev()
989 static ssize_t do_preadv(unsigned long fd, const struct iovec __user *vec,  in do_preadv()  argument
1002 			ret = vfs_readv(f.file, vec, vlen, &pos, flags);  in do_preadv()
1012 static ssize_t do_pwritev(unsigned long fd, const struct iovec __user *vec,  in do_pwritev()  argument
1025 			ret = vfs_writev(f.file, vec, vlen, &pos, flags);  in do_pwritev()
1035 SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()  argument
1038 	return do_readv(fd, vec, vlen, 0);  in SYSCALL_DEFINE3()
1041 SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()  argument
1044 	return do_writev(fd, vec, vlen, 0);  in SYSCALL_DEFINE3()
1047 SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()  argument
1052 	return do_preadv(fd, vec, vlen, pos, 0);  in SYSCALL_DEFINE5()
1055 SYSCALL_DEFINE6(preadv2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()  argument
1062 		return do_readv(fd, vec, vlen, flags);  in SYSCALL_DEFINE6()
1064 	return do_preadv(fd, vec, vlen, pos, flags);  in SYSCALL_DEFINE6()
1067 SYSCALL_DEFINE5(pwritev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()  argument
1072 	return do_pwritev(fd, vec, vlen, pos, 0);  in SYSCALL_DEFINE5()
1075 SYSCALL_DEFINE6(pwritev2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()  argument
1082 		return do_writev(fd, vec, vlen, flags);  in SYSCALL_DEFINE6()
1084 	return do_pwritev(fd, vec, vlen, pos, flags);  in SYSCALL_DEFINE6()
1095 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()  argument
1098 	return do_preadv(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE4()
1103 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1108 	return do_preadv(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE5()
1113 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1117 		return do_readv(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE5()
1118 	return do_preadv(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE5()
1123 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE6()  argument
1130 		return do_readv(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE6()
1131 	return do_preadv(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE6()
1136 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()  argument
1139 	return do_pwritev(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE4()
1144 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1149 	return do_pwritev(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE5()
1154 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1158 		return do_writev(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE5()
1159 	return do_pwritev(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE5()
1164 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE6()  argument
1170 		return do_writev(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE6()
1171 	return do_pwritev(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE6()