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

Andrea Cervesato andrea.cervesato@suse.com
Thu Feb 16 11:33:12 CET 2023


Hi,

beware that in the patch name and description ltp_quick_clone is 
ltp_clone_quick.

On 2/16/23 11:29, Andrea Cervesato wrote:
> ltp_quick_clone has been replaced by SAFE_CLONE in the mountns testing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();
>   }
>   




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