Module Name: src
Committed By: pooka
Date: Sun Jun 20 17:43:33 UTC 2010
Modified Files:
src/tests/rump/rumpvfs: t_etfs.c
Log Message:
Check that etfs block mapping works for >2TB devices.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/tests/rump/rumpvfs/t_etfs.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/rump/rumpvfs/t_etfs.c
diff -u src/tests/rump/rumpvfs/t_etfs.c:1.4 src/tests/rump/rumpvfs/t_etfs.c:1.5
--- src/tests/rump/rumpvfs/t_etfs.c:1.4 Sat Jun 19 13:44:11 2010
+++ src/tests/rump/rumpvfs/t_etfs.c Sun Jun 20 17:43:33 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: t_etfs.c,v 1.4 2010/06/19 13:44:11 pooka Exp $ */
+/* $NetBSD: t_etfs.c,v 1.5 2010/06/20 17:43:33 pooka Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -153,11 +153,77 @@
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH2), 0);
}
+ATF_TC_WITH_CLEANUP(large_blk);
+ATF_TC_HEAD(large_blk, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Check etfs block devices work for "
+ ">2TB images");
+ atf_tc_set_md_var(tc, "use.fs", "true");
+}
+
+#define IMG_ON_MFS "mfsdir/disk.img"
+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);
+}
+
+ATF_TC_CLEANUP(large_blk, tc)
+{
+
+ system("umount mfsdir");
+}
+
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, reregister_reg);
ATF_TP_ADD_TC(tp, reregister_blk);
+ ATF_TP_ADD_TC(tp, large_blk);
return atf_no_error();
}
