ioctl05: Add BLKGETSIZE/BLKGETSIZE64 test

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/runtest/syscalls b/runtest/syscalls
index becddc8..46602a4 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -453,6 +453,7 @@
 ioctl01_02   test_ioctl
 ioctl03      ioctl03
 ioctl04      ioctl04
+ioctl05      ioctl05
 
 inotify_init1_01 inotify_init1_01
 inotify_init1_02 inotify_init1_02
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index e2df74f..5e69f5a 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -385,6 +385,7 @@
 /ioctl/ioctl02
 /ioctl/ioctl03
 /ioctl/ioctl04
+/ioctl/ioctl05
 /ioperm/ioperm01
 /ioperm/ioperm02
 /iopl/iopl01
diff --git a/testcases/kernel/syscalls/ioctl/ioctl05.c b/testcases/kernel/syscalls/ioctl/ioctl05.c
new file mode 100644
index 0000000..c250609
--- /dev/null
+++ b/testcases/kernel/syscalls/ioctl/ioctl05.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*
+ * Basic test for the BLKGETSIZE and BLKGETSIZE64 ioctls.
+ *
+ * - BLKGETSIZE returns size in 512 byte blocks BLKGETSIZE64 in bytes
+ *   compare that they return the same value.
+ * - lseek to the end of the device, this should work
+ * - try to read from the device, read should return 0
+ */
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/mount.h>
+#include "tst_test.h"
+
+static int fd;
+
+static void verify_ioctl(void)
+{
+	unsigned long size = 0;
+	uint64_t size64 = 0;
+	char buf;
+	int ret;
+
+	fd = SAFE_OPEN(tst_device->dev, O_RDONLY);
+
+	SAFE_IOCTL(fd, BLKGETSIZE, &size);
+	SAFE_IOCTL(fd, BLKGETSIZE64, &size64);
+
+	if (size == size64/512) {
+		tst_res(TPASS, "BLKGETSIZE returned %lu, BLKGETSIZE64 %llu",
+			size, (unsigned long long)size64);
+	} else {
+		tst_res(TFAIL,
+			"BLKGETSIZE returned %lu, BLKGETSIZE64 returned %llu",
+			size, (unsigned long long)size64);
+	}
+
+	if (lseek(fd, size * 512, SEEK_SET) !=  (off_t)size * 512) {
+		tst_res(TFAIL | TERRNO,
+			"Cannot lseek to the end of the device");
+	} else {
+		tst_res(TPASS, "Could lseek to the end of the device");
+	}
+
+	ret = read(fd, &buf, 1);
+
+	if (ret == 0) {
+		tst_res(TPASS,
+			"Got EOF when trying to read after the end of device");
+	} else {
+		tst_res(TFAIL | TERRNO,
+			"Read at the end of device returned %i", ret);
+	}
+
+	SAFE_CLOSE(fd);
+}
+
+static void cleanup(void)
+{
+	if (fd > 0)
+		SAFE_CLOSE(fd);
+}
+
+static struct tst_test test = {
+	.tid = "ioctl05",
+	.needs_device = 1,
+	.cleanup = cleanup,
+	.test_all = verify_ioctl,
+};