[LTP] [PATCH v1] Remove ltp_quick_clone from mountns testing suite

[Andrea Cervesato]

ltp_quick_clone has been replaced by SAFE_CLONE in the mountns testing
suite that now is independed from libclone and legacy API.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 testcases/kernel/containers/mountns/mountns.h  | 18 ------------------
 .../kernel/containers/mountns/mountns01.c      | 16 ++++++++--------
 .../kernel/containers/mountns/mountns02.c      | 16 ++++++++--------
 .../kernel/containers/mountns/mountns03.c      | 16 ++++++++--------
 .../kernel/containers/mountns/mountns04.c      |  2 +-
 5 files changed, 25 insertions(+), 43 deletions(-)

diff --git a/testcases/kernel/containers/mountns/mountns.h b/testcases/kernel/containers/mountns/mountns.h
index 615f1a058..9bb854659 100644
--- a/testcases/kernel/containers/mountns/mountns.h
+++ b/testcases/kernel/containers/mountns/mountns.h
@@ -8,28 +8,10 @@
 #define COMMON_H
 
 #include "tst_test.h"
-#include "lapi/sched.h"
 
 #define DIRA "LTP_DIR_A"
 #define DIRB "LTP_DIR_B"
 
-static int dummy_child(void *v)
-{
-	(void)v;
-	return 0;
-}
-
-static void check_newns(void)
-{
-	int pid, status;
-
-	pid = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, dummy_child, NULL);
-	if (pid < 0)
-		tst_brk(TCONF, "CLONE_NEWNS not supported");
-
-	SAFE_WAIT(&status);
-}
-
 static void umount_folders(void)
 {
 	if (tst_is_mounted(DIRA))
diff --git a/testcases/kernel/containers/mountns/mountns01.c b/testcases/kernel/containers/mountns/mountns01.c
index e8f176920..c5b6077f1 100644
--- a/testcases/kernel/containers/mountns/mountns01.c
+++ b/testcases/kernel/containers/mountns/mountns01.c
@@ -33,8 +33,9 @@
 #include <sys/mount.h>
 #include "mountns.h"
 #include "tst_test.h"
+#include "lapi/sched.h"
 
-static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
+static void child_func(void)
 {
 	TST_CHECKPOINT_WAIT(0);
 
@@ -51,13 +52,11 @@ static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
 	TST_CHECKPOINT_WAKE_AND_WAIT(0);
 
 	SAFE_UMOUNT(DIRA);
-
-	return 0;
 }
 
 static void run(void)
 {
-	int ret;
+	const struct tst_clone_args args = { CLONE_NEWNS, SIGCHLD };
 
 	SAFE_UNSHARE(CLONE_NEWNS);
 
@@ -67,9 +66,10 @@ static void run(void)
 	SAFE_MOUNT(DIRA, DIRA, "none", MS_BIND, NULL);
 	SAFE_MOUNT("none", DIRA, "none", MS_SHARED, NULL);
 
-	ret = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, child_func, NULL);
-	if (ret < 0)
-		tst_brk(TBROK, "clone failed");
+	if (!SAFE_CLONE(&args)) {
+		child_func();
+		return;
+	}
 
 	SAFE_MOUNT(DIRB, DIRA, "none", MS_BIND, NULL);
 
@@ -93,7 +93,6 @@ static void run(void)
 
 static void setup(void)
 {
-	check_newns();
 	create_folders();
 }
 
@@ -107,5 +106,6 @@ static struct tst_test test = {
 	.cleanup = cleanup,
 	.test_all = run,
 	.needs_root = 1,
+	.forks_child = 1,
 	.needs_checkpoints = 1,
 };
diff --git a/testcases/kernel/containers/mountns/mountns02.c b/testcases/kernel/containers/mountns/mountns02.c
index 4b85fa79b..c2260961e 100644
--- a/testcases/kernel/containers/mountns/mountns02.c
+++ b/testcases/kernel/containers/mountns/mountns02.c
@@ -34,8 +34,9 @@
 #include <sys/mount.h>
 #include "mountns.h"
 #include "tst_test.h"
+#include "lapi/sched.h"
 
-static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
+static void child_func(void)
 {
 	TST_CHECKPOINT_WAIT(0);
 
@@ -51,13 +52,11 @@ static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
 	TST_CHECKPOINT_WAKE_AND_WAIT(0);
 
 	SAFE_UMOUNT(DIRA);
-
-	return 0;
 }
 
 static void run(void)
 {
-	int ret;
+	const struct tst_clone_args args = { CLONE_NEWNS, SIGCHLD };
 
 	SAFE_UNSHARE(CLONE_NEWNS);
 
@@ -68,9 +67,10 @@ static void run(void)
 
 	SAFE_MOUNT("none", DIRA, "none", MS_PRIVATE, NULL);
 
-	ret = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, child_func, NULL);
-	if (ret < 0)
-		tst_brk(TBROK, "clone failed");
+	if (!SAFE_CLONE(&args)) {
+		child_func();
+		return;
+	}
 
 	SAFE_MOUNT(DIRB, DIRA, "none", MS_BIND, NULL);
 
@@ -94,7 +94,6 @@ static void run(void)
 
 static void setup(void)
 {
-	check_newns();
 	create_folders();
 }
 
@@ -108,5 +107,6 @@ static struct tst_test test = {
 	.cleanup = cleanup,
 	.test_all = run,
 	.needs_root = 1,
+	.forks_child = 1,
 	.needs_checkpoints = 1,
 };
diff --git a/testcases/kernel/containers/mountns/mountns03.c b/testcases/kernel/containers/mountns/mountns03.c
index 1d26a25d8..357a4f30b 100644
--- a/testcases/kernel/containers/mountns/mountns03.c
+++ b/testcases/kernel/containers/mountns/mountns03.c
@@ -36,8 +36,9 @@
 #include <sys/mount.h>
 #include "mountns.h"
 #include "tst_test.h"
+#include "lapi/sched.h"
 
-static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
+static void child_func(void)
 {
 	/*
 	 * makes mount DIRA a slave of DIRA (all slave mounts have
@@ -59,13 +60,11 @@ static int child_func(LTP_ATTRIBUTE_UNUSED void *arg)
 	TST_CHECKPOINT_WAKE_AND_WAIT(0);
 
 	SAFE_UMOUNT(DIRA);
-
-	return 0;
 }
 
 static void run(void)
 {
-	int ret;
+	const struct tst_clone_args args = { CLONE_NEWNS, SIGCHLD };
 
 	SAFE_UNSHARE(CLONE_NEWNS);
 
@@ -76,9 +75,10 @@ static void run(void)
 
 	SAFE_MOUNT("none", DIRA, "none", MS_SHARED, NULL);
 
-	ret = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, child_func, NULL);
-	if (ret < 0)
-		tst_brk(TBROK, "clone failed");
+	if (!SAFE_CLONE(&args)) {
+		child_func();
+		return;
+	}
 
 	TST_CHECKPOINT_WAIT(0);
 
@@ -104,7 +104,6 @@ static void run(void)
 
 static void setup(void)
 {
-	check_newns();
 	create_folders();
 }
 
@@ -118,5 +117,6 @@ static struct tst_test test = {
 	.cleanup = cleanup,
 	.test_all = run,
 	.needs_root = 1,
+	.forks_child = 1,
 	.needs_checkpoints = 1,
 };
diff --git a/testcases/kernel/containers/mountns/mountns04.c b/testcases/kernel/containers/mountns/mountns04.c
index fc392f1a7..6a64c2443 100644
--- a/testcases/kernel/containers/mountns/mountns04.c
+++ b/testcases/kernel/containers/mountns/mountns04.c
@@ -22,6 +22,7 @@
 #include <sys/mount.h>
 #include "mountns.h"
 #include "tst_test.h"
+#include "lapi/sched.h"
 
 static void run(void)
 {
@@ -46,7 +47,6 @@ static void run(void)
 
 static void setup(void)
 {
-	check_newns();
 	create_folders();
 }
 
-- 
2.35.3