[src/trunk]: src/tests/fs/ffs Check that mounting a file system with blocksiz...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/315341e67dee
branches:  trunk
changeset: 756993:315341e67dee
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Aug 09 17:42:26 2010 +0000

description:
Check that mounting a file system with blocksize > MAXPHYS returns an error.

diffstat:

 tests/fs/ffs/t_mount.c |  64 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 63 insertions(+), 1 deletions(-)

diffs (89 lines):

diff -r 4eca747072ff -r 315341e67dee tests/fs/ffs/t_mount.c
--- a/tests/fs/ffs/t_mount.c    Mon Aug 09 17:20:57 2010 +0000
+++ b/tests/fs/ffs/t_mount.c    Mon Aug 09 17:42:26 2010 +0000
@@ -1,6 +1,11 @@
-/*     $NetBSD: t_mount.c,v 1.7 2010/07/30 16:15:05 pooka Exp $        */
+/*     $NetBSD: t_mount.c,v 1.8 2010/08/09 17:42:26 pooka Exp $        */
 
 /*
+ * Basic tests for mounting
+ */
+
+/*
+ * 48Kimage:
  * Adapted for rump and atf from a testcase supplied
  * by Hubert Feyrer on netbsd-users@
  */
@@ -14,6 +19,18 @@
 
 #include "../common/h_fsmacros.h"
 
+#include <sys/types.h>
+#include <sys/mount.h>
+
+#include <stdlib.h>
+
+#include <ufs/ufs/ufsmount.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include "../../h_macros.h"
+
 ATF_TC(48Kimage);
 ATF_TC_HEAD(48Kimage, tc)
 {
@@ -41,8 +58,53 @@
                atf_tc_fail("delfs failed");
 }
 
+ATF_TC(fsbsize2big);
+ATF_TC_HEAD(fsbsize2big, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "mounts file system with "
+           "blocksize > MAXPHYS");
+       atf_tc_set_md_var(tc, "use.fs", "true");
+       /* PR kern/43727 */
+}
+
+#define MYBLOCKSIZE 131072
+#if MAXPHYS >= MYBLOCKSIZE
+#error MAXPHYS too large for test to work
+#endif
+ATF_TC_BODY(fsbsize2big, tc)
+{
+       char cmd[1024];
+       struct ufs_args args;
+       struct statvfs svb;
+
+       snprintf(cmd, sizeof(cmd), "newfs -G -b %d -F -s 10000 "
+           "ffs.img > /dev/null", MYBLOCKSIZE);
+       if (system(cmd))
+               atf_tc_fail("cannot create file system");
+
+       rump_init();
+       if (rump_pub_etfs_register("/devdisk", "ffs.img", RUMP_ETFS_BLK))
+               atf_tc_fail("cannot register rump fake device");
+
+       args.fspec = __UNCONST("/devdisk");
+
+       if (rump_sys_mkdir("/mp", 0777) == -1)
+               atf_tc_fail_errno("create mountpoint");
+
+       /* mount succeeded?  bad omen.  confirm we're in trouble.  */
+       if (rump_sys_mount(MOUNT_FFS, "/mp", 0, &args, sizeof(args)) != -1) {
+               rump_sys_statvfs1("/mp", &svb, ST_WAIT);
+       }
+
+       /* otherwise we're do-ne */
+}
+
 ATF_TP_ADD_TCS(tp)
 {
+
        ATF_TP_ADD_TC(tp, 48Kimage);
+       ATF_TP_ADD_TC(tp, fsbsize2big);
+
        return atf_no_error();
 }