aiodio: Skip tests on tmpfs

tmpfs does not support O_DIRECT.

Used only on newly rewritten tests (old are currently using hardcoded
paths in the runtest files).

Reviewed-by: Cyril Hrubis <[email protected]>
Reviewed-by: Martin Doucha <[email protected]>
Acked-by: Andrea Cervesato <[email protected]>
Signed-off-by: Petr Vorel <[email protected]>

Author: pevik

testcases/kernel/io/ltp-aiodio/aiodio_append.c

@@ -131,8 +131,10 @@ static void setup(void)
 
 static void cleanup(void)
 {
-	*run_child = 0;
-	SAFE_MUNMAP(run_child, sizeof(int));
+	if (run_child) {
+		*run_child = 0;
+		SAFE_MUNMAP(run_child, sizeof(int));
+	}
 }
 
 static void run(void)
@@ -177,6 +179,10 @@ static struct tst_test test = {
 		{"b:", &str_numaio, "Number of async IO blocks (default 16)"},
 		{}
 	},
+	.skip_filesystems = (const char *[]) {
+		"tmpfs",
+		NULL
+	},
 };
 #else
 TST_TEST_TCONF("test requires libaio and its development packages");

testcases/kernel/io/ltp-aiodio/dio_append.c

@@ -93,4 +93,8 @@ static struct tst_test test = {
 		{"c:", &str_appends, "Number of appends (default 1000)"},
 		{}
 	},
+	.skip_filesystems = (const char *[]) {
+		"tmpfs",
+		NULL
+	},
 };

testcases/kernel/io/ltp-aiodio/dio_read.c

@@ -177,4 +177,8 @@ static struct tst_test test = {
 		{"s:", &str_filesize, "File size (default 128M)"},
 		{}
 	},
+	.skip_filesystems = (const char *[]) {
+		"tmpfs",
+		NULL
+	},
 };

testcases/kernel/io/ltp-aiodio/dio_sparse.c

@@ -83,8 +83,10 @@ static void setup(void)
 
 static void cleanup(void)
 {
-	*run_child = 0;
-	SAFE_MUNMAP(run_child, sizeof(int));
+	if (run_child) {
+		*run_child = 0;
+		SAFE_MUNMAP(run_child, sizeof(int));
+	}
 }
 
 static void run(void)
@@ -129,4 +131,8 @@ static struct tst_test test = {
 		{"o:", &str_offset, "File offset (default 0)"},
 		{}
 	},
+	.skip_filesystems = (const char *[]) {
+		"tmpfs",
+		NULL
+	},
 };

testcases/kernel/io/ltp-aiodio/dio_truncate.c

@@ -107,8 +107,10 @@ static void setup(void)
 
 static void cleanup(void)
 {
-	*run_child = 0;
-	SAFE_MUNMAP(run_child, sizeof(int));
+	if (run_child) {
+		*run_child = 0;
+		SAFE_MUNMAP(run_child, sizeof(int));
+	}
 }
 
 static void run(void)
@@ -163,4 +165,8 @@ static struct tst_test test = {
 		{"c:", &str_numwrites, "Number of append & truncate (default 100)"},
 		{}
 	},
+	.skip_filesystems = (const char *[]) {
+		"tmpfs",
+		NULL
+	},
 };