static void
wrrd_after_unlink(const atf_tc_t *tc, const char *mp)
{
int value = 0x11;
int v2;
int fd;
FSTEST_ENTER();
RL(fd = rump_sys_open("file", O_RDWR|O_CREAT, 0666));
RL(rump_sys_unlink("file"));
RL(rump_sys_pwrite(fd, &value, sizeof(value), 654321));
/*
* We can't easily invalidate the buffer since we hold a
* reference, but try to get them to flush anyway.
*/
RL(rump_sys_fsync(fd));
RL(rump_sys_pread(fd, &v2, sizeof(v2), 654321));
rump_sys_close(fd);
ATF_REQUIRE_EQ(value, v2);
FSTEST_EXIT();
}
static void
holywrite(const atf_tc_t *tc, const char *mp)
{
char buf[1024];
char *b2, *b3;
size_t therange = getpagesize()+1;
int fd;
FSTEST_ENTER();
RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));
memset(buf, 'A', sizeof(buf));
RL(rump_sys_pwrite(fd, buf, 1, getpagesize()));
memset(buf, 'B', sizeof(buf));
RL(rump_sys_pwrite(fd, buf, 2, getpagesize()-1));
REQUIRE_LIBC(b2 = malloc(2 * getpagesize()), NULL);
REQUIRE_LIBC(b3 = malloc(2 * getpagesize()), NULL);
RL(rump_sys_pread(fd, b2, therange, 0));
memset(b3, 0, therange);
memset(b3 + getpagesize() - 1, 'B', 2);
ATF_REQUIRE_EQ(memcmp(b2, b3, therange), 0);
rump_sys_close(fd);
FSTEST_EXIT();
}
ATF_TC_BODY(large_blk, tc)
{
char buf[128];
char cmpbuf[128];
ssize_t n;
int rv, tfd;
/*
* mount mfs. it would be nice if this would not be required,
* but a) tmpfs doesn't "support" sparse files b) we don't really
* know what fs atf workdir is on anyway.
*/
if (mkdir("mfsdir", 0777) == -1)
atf_tc_fail_errno("mkdir failed");
if (system("mount_mfs -s 64m -o nosuid,nodev mfs mfsdir") != 0)
atf_tc_skip("could not mount mfs");
/* create a 8TB sparse file */
rv = system("dd if=/dev/zero of=" IMG_ON_MFS " bs=1 count=1 seek=8t");
ATF_REQUIRE_EQ(rv, 0);
/*
* map it and issue write at 6TB, then unmap+remap and check
* we get the same stuff back
*/
rump_init();
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH1, IMG_ON_MFS,
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH1, O_RDWR);
ATF_REQUIRE(tfd != -1);
memset(buf, 12, sizeof(buf));
n = rump_sys_pwrite(tfd, buf, sizeof(buf), 6*1024*1024*1024ULL*1024ULL);
ATF_REQUIRE_EQ(n, sizeof(buf));
ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH1), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH2, IMG_ON_MFS,
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH2, O_RDWR);
ATF_REQUIRE(tfd != -1);
memset(buf, 0, sizeof(buf));
n = rump_sys_pread(tfd, buf, sizeof(buf), 6*1024*1024*1024ULL*1024ULL);
ATF_REQUIRE_EQ(n, sizeof(buf));
memset(cmpbuf, 12, sizeof(cmpbuf));
ATF_REQUIRE_EQ(memcmp(cmpbuf, buf, 128), 0);
}
static void
read_directory(const atf_tc_t *tc, const char *mp)
{
char buf[1024];
int fd, res;
ssize_t size;
FSTEST_ENTER();
fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777);
ATF_REQUIRE(fd != -1);
size = rump_sys_pread(fd, buf, sizeof(buf), 0);
ATF_CHECK(size != -1 || errno == EISDIR);
size = rump_sys_read(fd, buf, sizeof(buf));
ATF_CHECK(size != -1 || errno == EISDIR);
res = rump_sys_close(fd);
ATF_REQUIRE(res != -1);
FSTEST_EXIT();
}
static void
extendbody(const atf_tc_t *tc, off_t seekcnt)
{
char buf[TESTSZ+1];
struct stat sb;
int fd;
FSTEST_ENTER();
RL(fd = rump_sys_open("testfile",
O_CREAT | O_RDWR | (seekcnt ? O_APPEND : 0)));
RL(rump_sys_ftruncate(fd, seekcnt));
RL(rump_sys_fstat(fd, &sb));
ATF_REQUIRE_EQ(sb.st_size, seekcnt);
ATF_REQUIRE_EQ(rump_sys_write(fd, TESTSTR, TESTSZ), TESTSZ);
ATF_REQUIRE_EQ(rump_sys_pread(fd, buf, TESTSZ, seekcnt), TESTSZ);
ATF_REQUIRE_STREQ(buf, TESTSTR);
RL(rump_sys_fstat(fd, &sb));
ATF_REQUIRE_EQ(sb.st_size, (off_t)TESTSZ + seekcnt);
RL(rump_sys_close(fd));
FSTEST_EXIT();
}
