[LTP] [PATCH v4 1/3] Filter mkfs version in tst_fs

Andrea Cervesato andrea.cervesato@suse.de
Tue Oct 8 13:55:38 CEST 2024


From: Andrea Cervesato <andrea.cervesato@suse.com>

Introduce mkfs_ver attribute in the tst_fs declaration, in order to
filter specific mkfs.* tools versions.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 include/tst_private.h         |   6 +--
 include/tst_test.h            |   4 ++
 lib/tst_cmd.c                 | 109 +++++++++++++++++++++++++++---------------
 lib/tst_test.c                |  14 ++++--
 testcases/lib/tst_run_shell.c |   5 ++
 5 files changed, 93 insertions(+), 45 deletions(-)

diff --git a/include/tst_private.h b/include/tst_private.h
index 6f4f39b15..4c6479f4b 100644
--- a/include/tst_private.h
+++ b/include/tst_private.h
@@ -40,11 +40,11 @@ char tst_kconfig_get(const char *confname);
 
 /*
  * If cmd argument is a single command, this function just checks command
- * whether exists. If not, case skips.
+ * whether exists. If not, case breaks if brk_nosupp is defined.
  * If cmd argument is a complex string ie 'mkfs.ext4 >= 1.43.0', this
  * function checks command version whether meets this requirement.
- * If not, case skips.
+ * If not, case breaks if brk_nosupp is defined.
  */
-void tst_check_cmd(const char *cmd);
+int tst_check_cmd(const char *cmd, const int brk_nosupp);
 
 #endif
diff --git a/include/tst_test.h b/include/tst_test.h
index d0fa84a71..38d24f48c 100644
--- a/include/tst_test.h
+++ b/include/tst_test.h
@@ -262,6 +262,9 @@ struct tst_ulimit_val {
  *                 passed to mkfs after the device path and can be used to
  *                 limit the file system not to use the whole block device.
  *
+ * @mkfs_ver: mkfs tool version. The string format supports relational
+ *            operators such as < > <= >= ==.
+ *
  * @mnt_flags: MS_* flags passed to mount(2) when the test library mounts a
  *             device in the case of 'tst_test.mount_device'.
  *
@@ -273,6 +276,7 @@ struct tst_fs {
 
 	const char *const *mkfs_opts;
 	const char *mkfs_size_opt;
+	const char *mkfs_ver;
 
 	unsigned int mnt_flags;
 	const void *mnt_data;
diff --git a/lib/tst_cmd.c b/lib/tst_cmd.c
index b3f8a95ab..2f6ae3ec3 100644
--- a/lib/tst_cmd.c
+++ b/lib/tst_cmd.c
@@ -210,7 +210,7 @@ static int mkfs_ext4_version_parser(void)
 	return major * 10000 +  minor * 100 + patch;
 }
 
-static int mkfs_ext4_version_table_get(char *version)
+static int mkfs_generic_version_table_get(char *version)
 {
 	int major, minor, patch;
 	int len;
@@ -228,19 +228,42 @@ static int mkfs_ext4_version_table_get(char *version)
 	return major * 10000 + minor * 100 + patch;
 }
 
+static int mkfs_xfs_version_parser(void)
+{
+	FILE *f;
+	int rc, major, minor, patch;
+
+	f = popen("mkfs.xfs -V 2>&1", "r");
+	if (!f) {
+		tst_resm(TWARN, "Could not run mkfs.xfs -V 2>&1 cmd");
+		return -1;
+	}
+
+	rc = fscanf(f, "mkfs.xfs version %d.%d.%d", &major, &minor, &patch);
+	pclose(f);
+	if (rc != 3) {
+		tst_resm(TWARN, "Unable to parse mkfs.xfs version");
+		return -1;
+	}
+
+	return major * 10000 +  minor * 100 + patch;
+}
+
 static struct version_parser {
 	const char *cmd;
 	int (*parser)(void);
 	int (*table_get)(char *version);
 } version_parsers[] = {
-	{"mkfs.ext4", mkfs_ext4_version_parser, mkfs_ext4_version_table_get},
+	{"mkfs.ext4", mkfs_ext4_version_parser, mkfs_generic_version_table_get},
+	{"mkfs.xfs", mkfs_xfs_version_parser, mkfs_generic_version_table_get},
 	{},
 };
 
-void tst_check_cmd(const char *cmd)
+int tst_check_cmd(const char *cmd, const int brk_nosupp)
 {
 	struct version_parser *p;
 	char *cmd_token, *op_token, *version_token, *next, *str;
+	char *op_msg = NULL;
 	char path[PATH_MAX];
 	char parser_cmd[100];
 	int ver_parser, ver_get;
@@ -257,7 +280,7 @@ void tst_check_cmd(const char *cmd)
 		tst_brkm(TCONF, NULL, "Couldn't find '%s' in $PATH", cmd_token);
 
 	if (!op_token)
-		return;
+		goto error;
 
 	if (!strcmp(op_token, ">="))
 		op_flag = OP_GE;
@@ -302,46 +325,54 @@ void tst_check_cmd(const char *cmd)
 
 	switch (op_flag) {
 	case OP_GE:
-		if (ver_parser < ver_get) {
-			tst_brkm(TCONF, NULL, "%s required >= %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
-		}
-		break;
+		if (ver_parser >= ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
 	case OP_GT:
-		if (ver_parser <= ver_get) {
-			tst_brkm(TCONF, NULL, "%s required > %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
-		}
-		break;
+		if (ver_parser > ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
 	case OP_LE:
-		if (ver_parser > ver_get) {
-			tst_brkm(TCONF, NULL, "%s required <= %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
-		}
-		break;
+		if (ver_parser <= ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
 	case OP_LT:
-		if (ver_parser >= ver_get) {
-			tst_brkm(TCONF, NULL, "%s required < %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
-		}
-		break;
+		if (ver_parser < ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
 	case OP_EQ:
-		if (ver_parser != ver_get) {
-			tst_brkm(TCONF, NULL, "%s required == %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
-		}
-		break;
+		if (ver_parser == ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
 	case OP_NE:
-		if (ver_parser == ver_get) {
-			tst_brkm(TCONF, NULL, "%s required != %d, but got %d, "
-				"the version is required in order run the test.",
-				cmd, ver_get, ver_parser);
+		if (ver_parser != ver_get)
+			break;
+
+		op_msg = op_token;
+		goto error;
+	}
+
+	return 0;
+error:
+	if (op_msg) {
+		if (brk_nosupp) {
+			tst_brkm(TCONF, NULL, "%s requires %s %d, but got %d",
+				cmd, op_msg, ver_get, ver_parser);
+		} else {
+			tst_resm(TCONF, "%s requires %s %d, but got %d",
+				cmd, op_msg, ver_get, ver_parser);
 		}
-		break;
 	}
+
+	return 1;
 }
diff --git a/lib/tst_test.c b/lib/tst_test.c
index d226157e0..4f4a53080 100644
--- a/lib/tst_test.c
+++ b/lib/tst_test.c
@@ -1250,6 +1250,7 @@ static const char *default_fs_type(void)
 static void do_setup(int argc, char *argv[])
 {
 	char *tdebug_env = getenv("LTP_ENABLE_DEBUG");
+	int ret = 0;
 
 	if (!tst_test)
 		tst_brk(TBROK, "No tests to run");
@@ -1310,7 +1311,7 @@ static void do_setup(int argc, char *argv[])
 		int i;
 
 		for (i = 0; (cmd = tst_test->needs_cmds[i]); ++i)
-			tst_check_cmd(cmd);
+			tst_check_cmd(cmd, 1);
 	}
 
 	if (tst_test->needs_drivers) {
@@ -1415,8 +1416,12 @@ static void do_setup(int argc, char *argv[])
 
 		tdev.fs_type = default_fs_type();
 
-		if (!tst_test->all_filesystems && count_fs_descs() <= 1)
+		if (!tst_test->all_filesystems && count_fs_descs() <= 1) {
+			if (tst_test->filesystems->mkfs_ver)
+				tst_check_cmd(tst_test->filesystems->mkfs_ver, 1);
+
 			prepare_device(tst_test->filesystems);
+		}
 	}
 
 	if (tst_test->needs_overlay && !tst_test->mount_device)
@@ -1805,6 +1810,9 @@ static int run_tcase_on_fs(struct tst_fs *fs, const char *fs_type)
 	tst_res(TINFO, "=== Testing on %s ===", fs_type);
 	tdev.fs_type = fs_type;
 
+	if (fs->mkfs_ver && tst_check_cmd(fs->mkfs_ver, 0))
+		return TCONF;
+
 	prepare_device(fs);
 
 	ret = fork_testrun();
@@ -1832,7 +1840,7 @@ static int run_tcases_per_fs(void)
 		if (!fs)
 			continue;
 
-		run_tcase_on_fs(fs, filesystems[i]);
+		ret = run_tcase_on_fs(fs, filesystems[i]);
 
 		if (ret == TCONF)
 			continue;
diff --git a/testcases/lib/tst_run_shell.c b/testcases/lib/tst_run_shell.c
index 8ed0f21b6..ee029b666 100644
--- a/testcases/lib/tst_run_shell.c
+++ b/testcases/lib/tst_run_shell.c
@@ -153,6 +153,7 @@ static const char *const *parse_strarr(ujson_reader *reader, ujson_val *val)
 enum fs_ids {
 	MKFS_OPTS,
 	MKFS_SIZE_OPT,
+	MKFS_VER,
 	MNT_FLAGS,
 	TYPE,
 };
@@ -160,6 +161,7 @@ enum fs_ids {
 static ujson_obj_attr fs_attrs[] = {
 	UJSON_OBJ_ATTR_IDX(MKFS_OPTS, "mkfs_opts", UJSON_ARR),
 	UJSON_OBJ_ATTR_IDX(MKFS_SIZE_OPT, "mkfs_size_opt", UJSON_STR),
+	UJSON_OBJ_ATTR_IDX(MKFS_VER, "mkfs_ver", UJSON_STR),
 	UJSON_OBJ_ATTR_IDX(MNT_FLAGS, "mnt_flags", UJSON_ARR),
 	UJSON_OBJ_ATTR_IDX(TYPE, "type", UJSON_STR),
 };
@@ -224,6 +226,9 @@ static struct tst_fs *parse_filesystems(ujson_reader *reader, ujson_val *val)
 			case MKFS_SIZE_OPT:
 				ret[i].mkfs_size_opt = strdup(val->val_str);
 			break;
+			case MKFS_VER:
+				ret[i].mkfs_ver = strdup(val->val_str);
+			break;
 			case MNT_FLAGS:
 				ret[i].mnt_flags = parse_mnt_flags(reader, val);
 			break;

-- 
2.43.0



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