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-rw-r--r--tests/fs-tests/integrity/integck.c70
1 files changed, 64 insertions, 6 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index a225042..ebe4995 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -31,7 +31,10 @@
#include <dirent.h>
#include <getopt.h>
#include <assert.h>
+#include <mntent.h>
#include <sys/mman.h>
+#include <sys/vfs.h>
+#include <sys/mount.h>
#include "tests.h"
#define PROGRAM_VERSION "1.1"
@@ -48,6 +51,17 @@ static struct {
.repeat_cnt = 1,
};
+/*
+ * The below data structure describes the tested file-system.
+ *
+ * max_name_len: maximum file name length
+ * fstype: file-system type (e.g., "ubifs")
+ */
+static struct {
+ int max_name_len;
+ const char *fstype;
+} fsinfo;
+
/* Structures to store data written to the test file system,
so that we can check whether the file system is correct. */
@@ -1383,7 +1397,7 @@ static char *make_name(struct dir_info *dir)
do {
found = 0;
if (tests_random_no(5) == 1) {
- int i, n = tests_random_no(tests_max_fname_len) + 1;
+ int i, n = tests_random_no(fsinfo.max_name_len) + 1;
CHECK(n > 0 && n < 256);
for (i = 0; i < n; i++)
@@ -2000,6 +2014,43 @@ void integck(void)
CHECK(rmdir(dir_name) != -1);
}
+/*
+ * Fill 'fsinfo' with information about the tested file-system.
+ */
+static void get_tested_fs_info(void)
+{
+ struct statfs fs_info;
+ struct mntent *mntent;
+ const char *mp;
+ FILE *f;
+
+ CHECK(statfs(args.mount_point, &fs_info) == 0);
+
+ fsinfo.max_name_len = fs_info.f_namelen;
+
+ mp = "/proc/mounts";
+ f = fopen(mp, "rb");
+ if (!f) {
+ mp = "/etc/mtab";
+ f = fopen(mp, "rb");
+ }
+ CHECK(f != NULL);
+
+ while (1) {
+ mntent = getmntent(f);
+ if (!mntent) {
+ errmsg("cannot find file-system info");
+ CHECK(0);
+ }
+
+ if (!strcmp(mntent->mnt_dir, args.mount_point))
+ break;
+ }
+ fclose(f);
+
+ fsinfo.fstype = dup_string(mntent->mnt_type);
+}
+
static const char doc[] = PROGRAM_NAME " version " PROGRAM_VERSION
" - a stress test which checks the file-system integrity.\n"
"It creates a directory named \"integck_test_dir_pid\", where where pid is the\n"
@@ -2023,10 +2074,13 @@ static const struct option long_options[] = {
};
/*
- * Parse input command-line options. Returns zero on success and -1 on error.
+ * Parse and validate input command-line options. Returns zero on success and
+ * -1 on error.
*/
static int parse_opts(int argc, char * const argv[])
{
+ struct stat st;
+
while (1) {
int key, error = 0;
@@ -2065,6 +2119,11 @@ static int parse_opts(int argc, char * const argv[])
return errmsg("more then one test file-system specified (use -h for help)");
args.mount_point = argv[optind];
+
+ if (chdir(args.mount_point) != 0 || lstat(args.mount_point, &st) != 0)
+ return errmsg("invalid test file system mount directory: %s",
+ args.mount_point);
+
return 0;
}
@@ -2076,12 +2135,11 @@ int main(int argc, char *argv[])
if (ret)
return EXIT_FAILURE;
+ get_tested_fs_info();
+
/* Temporary hack - will be fixed a bit later */
tests_file_system_mount_dir = (void *)args.mount_point;
- tests_file_system_type = "ubifs";
-
- /* Change directory to the file system and check it is ok for testing */
- tests_check_test_file_system();
+ tests_file_system_type = (void *)fsinfo.fstype;
/*
* JFFS2 does not support shared writable mmap and it may report