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      1 /*	$NetBSD: t_io.c,v 1.2 2017/01/13 21:30:40 christos Exp $	*/
      2 
      3 #include <sys/types.h>
      4 #include <sys/mount.h>
      5 #include <sys/socket.h>
      6 
      7 #include <assert.h>
      8 #include <atf-c.h>
      9 #include <err.h>
     10 #include <errno.h>
     11 #include <fcntl.h>
     12 #include <pthread.h>
     13 #include <puffs.h>
     14 #include <puffsdump.h>
     15 #include <stdio.h>
     16 #include <unistd.h>
     17 #include <string.h>
     18 #include <stdlib.h>
     19 
     20 #include <rump/rump.h>
     21 #include <rump/rump_syscalls.h>
     22 
     23 #include "h_macros.h"
     24 #include "../common/h_fsmacros.h"
     25 
     26 #define MAKEOPTS(...) \
     27     char *theopts[] = {NULL, "-s", __VA_ARGS__, "dtfs", "n/a", NULL}
     28 
     29 ATF_TC(nocache);
     30 ATF_TC_HEAD(nocache, tc)
     31 {
     32 
     33 	atf_tc_set_md_var(tc, "descr", "tests large i/o without page cache");
     34 }
     35 
     36 ATF_TC_BODY(nocache, tc)
     37 {
     38 	MAKEOPTS("-o", "nopagecache");
     39 	char data[1024*1024];
     40 	void *args;
     41 	int fd;
     42 
     43 	FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
     44 	FSTEST_ENTER();
     45 
     46 	RL(fd = rump_sys_open("afile", O_CREAT | O_RDWR, 0755));
     47 	RL(rump_sys_write(fd, data, sizeof(data)));
     48 	rump_sys_close(fd);
     49 
     50 	FSTEST_EXIT();
     51 	FSTEST_DESTRUCTOR(tc, puffs, args);
     52 }
     53 
     54 
     55 ATF_TP_ADD_TCS(tp)
     56 {
     57 
     58 	ATF_TP_ADD_TC(tp, nocache);
     59 
     60 	return atf_no_error();
     61 }
     62