[PATCH v7 4/4] syscalls/swapoff/swapoff0{1,2}: use helpers to check support status

[Murphy Zhou <xzhou@xxxxxxxxxx>]

Of swap operations. Change Makefile to use functions from
../swapon/libswapon.c

Reviewed-by: Li Wang <liwang@xxxxxxxxxx>
Signed-off-by: Murphy Zhou <xzhou@xxxxxxxxxx>
---
 testcases/kernel/syscalls/swapoff/Makefile     |  3 ++-
 testcases/kernel/syscalls/swapoff/Makefile.inc |  6 ++++++
 testcases/kernel/syscalls/swapoff/swapoff01.c  | 10 ++--------
 testcases/kernel/syscalls/swapoff/swapoff02.c  | 11 ++---------
 4 files changed, 12 insertions(+), 18 deletions(-)
 create mode 100644 testcases/kernel/syscalls/swapoff/Makefile.inc

diff --git a/testcases/kernel/syscalls/swapoff/Makefile b/testcases/kernel/syscalls/swapoff/Makefile
index bd617d806..536b2dbac 100644
--- a/testcases/kernel/syscalls/swapoff/Makefile
+++ b/testcases/kernel/syscalls/swapoff/Makefile
@@ -19,5 +19,6 @@
 top_srcdir		?= ../../../..
 
 include $(top_srcdir)/include/mk/testcases.mk
-
+include $(abs_srcdir)/./Makefile.inc
 include $(top_srcdir)/include/mk/generic_leaf_target.mk
+$(MAKE_TARGETS): %: %.o ../swapon/libswapon.o
diff --git a/testcases/kernel/syscalls/swapoff/Makefile.inc b/testcases/kernel/syscalls/swapoff/Makefile.inc
new file mode 100644
index 000000000..65350cbeb
--- /dev/null
+++ b/testcases/kernel/syscalls/swapoff/Makefile.inc
@@ -0,0 +1,6 @@
+LIBDIR			+= ../swapon/
+LIBSWAPON		:= $(LIBDIR)/libswapon.o
+$(LIBSWAPON):
+	$(MAKE) -C $(LIBDIR)
+CPPFLAGS		+= -I$(abs_srcdir)/$(LIBDIR)
+LDFLAGS			+= -L$(abs_builddir)/$(LIBDIR)
diff --git a/testcases/kernel/syscalls/swapoff/swapoff01.c b/testcases/kernel/syscalls/swapoff/swapoff01.c
index a63e661a5..e115269c0 100644
--- a/testcases/kernel/syscalls/swapoff/swapoff01.c
+++ b/testcases/kernel/syscalls/swapoff/swapoff01.c
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include "config.h"
 #include "lapi/syscalls.h"
+#include "../swapon/libswapon.h"
 
 static void setup(void);
 static void cleanup(void);
@@ -86,14 +87,7 @@ static void setup(void)
 
 	tst_tmpdir();
 
-	switch ((fs_type = tst_fs_type(cleanup, "."))) {
-	case TST_NFS_MAGIC:
-	case TST_TMPFS_MAGIC:
-		tst_brkm(TCONF, cleanup,
-			 "Cannot do swapoff on a file on %s filesystem",
-			 tst_fs_type_name(fs_type));
-	break;
-	}
+	is_swap_supported(cleanup, "./tstswap");
 
 	if (!tst_fs_has_free(NULL, ".", 64, TST_MB)) {
 		tst_brkm(TBROK, cleanup,
diff --git a/testcases/kernel/syscalls/swapoff/swapoff02.c b/testcases/kernel/syscalls/swapoff/swapoff02.c
index b5c6312a1..8954f975f 100644
--- a/testcases/kernel/syscalls/swapoff/swapoff02.c
+++ b/testcases/kernel/syscalls/swapoff/swapoff02.c
@@ -33,6 +33,7 @@
 #include "test.h"
 #include "lapi/syscalls.h"
 #include "safe_macros.h"
+#include "../swapon/libswapon.h"
 
 static void setup(void);
 static void cleanup(void);
@@ -124,7 +125,6 @@ static void cleanup01(void)
 
 static void setup(void)
 {
-	long type;
 	struct passwd *nobody;
 
 	tst_sig(FORK, DEF_HANDLER, cleanup);
@@ -138,14 +138,7 @@ static void setup(void)
 
 	tst_tmpdir();
 
-	switch ((type = tst_fs_type(cleanup, "."))) {
-	case TST_NFS_MAGIC:
-	case TST_TMPFS_MAGIC:
-		tst_brkm(TCONF, cleanup,
-			 "Cannot do swapoff on a file on %s filesystem",
-			 tst_fs_type_name(type));
-	break;
-	}
+	is_swap_supported(cleanup, "./tstswap");
 
 	if (!tst_fs_has_free(NULL, ".", 1, TST_KB)) {
 		tst_brkm(TBROK, cleanup,
-- 
2.21.0