911 static ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,  in vfs_readv()  argument
919 	ret = import_iovec(READ, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_readv()
928 static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,  in vfs_writev()  argument
936 	ret = import_iovec(WRITE, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_writev()
946 static ssize_t do_readv(unsigned long fd, const struct iovec __user *vec,  in do_readv()  argument
958 		ret = vfs_readv(f.file, vec, vlen, ppos, flags);  in do_readv()
970 static ssize_t do_writev(unsigned long fd, const struct iovec __user *vec,  in do_writev()  argument
982 		ret = vfs_writev(f.file, vec, vlen, ppos, flags);  in do_writev()
1000 static ssize_t do_preadv(unsigned long fd, const struct iovec __user *vec,  in do_preadv()  argument
1013 			ret = vfs_readv(f.file, vec, vlen, &pos, flags);  in do_preadv()
1023 static ssize_t do_pwritev(unsigned long fd, const struct iovec __user *vec,  in do_pwritev()  argument
1036 			ret = vfs_writev(f.file, vec, vlen, &pos, flags);  in do_pwritev()
1046 SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()  argument
1049 	return do_readv(fd, vec, vlen, 0);  in SYSCALL_DEFINE3()
1052 SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE3()  argument
1055 	return do_writev(fd, vec, vlen, 0);  in SYSCALL_DEFINE3()
1058 SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()  argument
1063 	return do_preadv(fd, vec, vlen, pos, 0);  in SYSCALL_DEFINE5()
1066 SYSCALL_DEFINE6(preadv2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()  argument
1073 		return do_readv(fd, vec, vlen, flags);  in SYSCALL_DEFINE6()
1075 	return do_preadv(fd, vec, vlen, pos, flags);  in SYSCALL_DEFINE6()
1078 SYSCALL_DEFINE5(pwritev, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE5()  argument
1083 	return do_pwritev(fd, vec, vlen, pos, 0);  in SYSCALL_DEFINE5()
1086 SYSCALL_DEFINE6(pwritev2, unsigned long, fd, const struct iovec __user *, vec,  in SYSCALL_DEFINE6()  argument
1093 		return do_writev(fd, vec, vlen, flags);  in SYSCALL_DEFINE6()
1095 	return do_pwritev(fd, vec, vlen, pos, flags);  in SYSCALL_DEFINE6()
1106 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()  argument
1109 	return do_preadv(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE4()
1114 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1119 	return do_preadv(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE5()
1124 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1128 		return do_readv(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE5()
1129 	return do_preadv(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE5()
1134 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE6()  argument
1141 		return do_readv(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE6()
1142 	return do_preadv(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE6()
1147 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE4()  argument
1150 	return do_pwritev(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE4()
1155 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1160 	return do_pwritev(fd, vec, vlen, pos, 0);  in COMPAT_SYSCALL_DEFINE5()
1165 		const struct iovec __user *, vec,  in COMPAT_SYSCALL_DEFINE5()  argument
1169 		return do_writev(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE5()
1170 	return do_pwritev(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE5()
1175 		const struct iovec __user *,vec,  in COMPAT_SYSCALL_DEFINE6()  argument
1181 		return do_writev(fd, vec, vlen, flags);  in COMPAT_SYSCALL_DEFINE6()
1182 	return do_pwritev(fd, vec, vlen, pos, flags);  in COMPAT_SYSCALL_DEFINE6()