@@ -533,6 +533,7 @@ ioctl_loop03 ioctl_loop03
ioctl_loop04 ioctl_loop04
ioctl_loop05 ioctl_loop05
ioctl_loop06 ioctl_loop06
+ioctl_loop07 ioctl_loop07
ioctl_ns01 ioctl_ns01
ioctl_ns02 ioctl_ns02
@@ -12,6 +12,7 @@
/ioctl_loop04
/ioctl_loop05
/ioctl_loop06
+/ioctl_loop07
/ioctl_ns01
/ioctl_ns02
/ioctl_ns03
new file mode 100644
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
+ * Author: Yang Xu <xuyang2018.jy@cn.jujitsu.com>
+ *
+ * This is a basic ioctl test about loopdevice LOOP_SET_BLOCK_SIZE
+ * and LOOP_SET_DIRECT_IO.
+ * When blocksize is 1024(default align size is 512), set dio with
+ * 512 offset will fail.
+ */
+
+#include <stdio.h>
+#include <linux/loop.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include "ioctl_loop_support.h"
+#include "lapi/loop.h"
+#include "tst_test.h"
+
+static char dev_path[1024], sys_loop_logicalpath[1024];
+static int dev_num, dev_fd, attach_flag;
+
+static void verify_ioctl_loop(void)
+{
+ SAFE_IOCTL(dev_fd, LOOP_SET_BLOCK_SIZE, 1024);
+ check_sys_value(sys_loop_logicalpath, 1024);
+
+ /*
+ * update dio with offset 512 to check this value is effective,
+ * it should get EINVAL error.
+ */
+ tst_res(TINFO, "logical block size is 1024");
+ TEST(ioctl(dev_fd, LOOP_SET_DIRECT_IO, 1));
+ if (TST_RET == 0) {
+ tst_res(TFAIL, "LOOP_SET_DIRECT_IO succeeded unexpectedly");
+ return;
+ }
+ if (TST_ERR == EINVAL)
+ tst_res(TPASS | TTERRNO, "LOOP_SET_DIRECT_IO failed as expected");
+ else
+ tst_res(TFAIL | TTERRNO, "LOOP_SET_DIRECT_IO failed expected EINVAL got");
+}
+
+static void setup(void)
+{
+ struct loop_info loopinfo;
+
+ memset(&loopinfo, 0, sizeof(loopinfo));
+ loopinfo.lo_offset = 512;
+ dev_num = tst_find_free_loopdev(dev_path, sizeof(dev_path));
+ if (dev_num < 0)
+ tst_brk(TBROK, "Failed to find free loop device");
+
+ sprintf(sys_loop_logicalpath, "/sys/block/loop%d/queue/logical_block_size", dev_num);
+ tst_fill_file("test.img", 0, 1024, 1024);
+ tst_attach_device(dev_path, "test.img");
+ attach_flag = 1;
+
+ dev_fd = SAFE_OPEN(dev_path, O_RDWR);
+ safe_set_status(dev_fd, loopinfo);
+ check_support_cmd(dev_fd, LOOP_SET_DIRECT_IO, 0, "LOOP_SET_DIRECT_IO");
+ check_support_cmd(dev_fd, LOOP_SET_BLOCK_SIZE, 512, "LOOP_SET_BLOCK_SIZE");
+}
+
+static void cleanup(void)
+{
+ if (dev_fd > 0)
+ SAFE_CLOSE(dev_fd);
+ if (attach_flag)
+ tst_detach_device(dev_path);
+ unlink("test.img");
+}
+
+static struct tst_test test = {
+ .setup = setup,
+ .cleanup = cleanup,
+ .test_all = verify_ioctl_loop,
+ .needs_root = 1,
+ .needs_tmpdir = 1,
+ .needs_drivers = (const char *const []) {
+ "loop",
+ NULL
+ }
+};
This is a basic ioctl test about loopdevice LOOP_SET_BLOCK_SIZE and LOOP_SET_DIRECT_IO. When blocksize is 1024(default align size is 512), set dio with 512 offset will fail. Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com> --- runtest/syscalls | 1 + testcases/kernel/syscalls/ioctl/.gitignore | 1 + .../kernel/syscalls/ioctl/ioctl_loop07.c | 85 +++++++++++++++++++ 3 files changed, 87 insertions(+) create mode 100644 testcases/kernel/syscalls/ioctl/ioctl_loop07.c