From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Xu Date: Thu, 9 Apr 2020 18:44:43 +0800 Subject: [LTP] [PATCH v2 08/10] syscalls/ioctl_loop06: Add LOOP_SET_BLOCK_SIZE error test In-Reply-To: <1586429086-22975-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> References: <20200409075506.GA2828@yuki.lan> <1586429086-22975-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> Message-ID: <1586429086-22975-8-git-send-email-xuyang2018.jy@cn.fujitsu.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Signed-off-by: Yang Xu --- runtest/syscalls | 1 + testcases/kernel/syscalls/ioctl/.gitignore | 1 + .../kernel/syscalls/ioctl/ioctl_loop06.c | 90 +++++++++++++++++++ 3 files changed, 92 insertions(+) create mode 100644 testcases/kernel/syscalls/ioctl/ioctl_loop06.c diff --git a/runtest/syscalls b/runtest/syscalls index 8b120b43a..e9b0a8f60 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -533,6 +533,7 @@ ioctl_loop02 ioctl_loop02 ioctl_loop03 ioctl_loop03 ioctl_loop04 ioctl_loop04 ioctl_loop05 ioctl_loop05 +ioctl_loop06 ioctl_loop06 ioctl_ns01 ioctl_ns01 ioctl_ns02 ioctl_ns02 diff --git a/testcases/kernel/syscalls/ioctl/.gitignore b/testcases/kernel/syscalls/ioctl/.gitignore index f484d98d6..ec19b4901 100644 --- a/testcases/kernel/syscalls/ioctl/.gitignore +++ b/testcases/kernel/syscalls/ioctl/.gitignore @@ -11,6 +11,7 @@ /ioctl_loop03 /ioctl_loop04 /ioctl_loop05 +/ioctl_loop06 /ioctl_ns01 /ioctl_ns02 /ioctl_ns03 diff --git a/testcases/kernel/syscalls/ioctl/ioctl_loop06.c b/testcases/kernel/syscalls/ioctl/ioctl_loop06.c new file mode 100644 index 000000000..ef98efbca --- /dev/null +++ b/testcases/kernel/syscalls/ioctl/ioctl_loop06.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved. + * Author: Yang Xu + * + * This is a basic ioctl error test about loopdevice + * LOOP_SET_BLOCK_SIZE. + */ + +#include +#include +#include +#include +#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 unsigned int invalid_value, half_value, unalign_value; + +static struct tcase { + unsigned int *setvalue; + int exp_err; + char *message; +} tcases[] = { + {&half_value, EINVAL, "arg < 512"}, + {&invalid_value, EINVAL, "arg > PAGE_SIZE"}, + {&unalign_value, EINVAL, "arg != power_of_2"}, +}; + +static void verify_ioctl_loop(unsigned int n) +{ + struct tcase *tc = &tcases[n]; + + tst_res(TINFO, "%s", tc->message); + TEST(ioctl(dev_fd, LOOP_SET_BLOCK_SIZE, *(tc->setvalue))); + if (TST_RET == 0) { + tst_res(TFAIL, "LOOP_SET_BLOCK_SIZE succeed unexpectedly"); + return; + } + if (TST_ERR == tc->exp_err) + tst_res(TPASS | TTERRNO, "LOOP_SET_BLOCK_SIZE failed as expected"); + else + tst_res(TFAIL | TTERRNO, "LOOP_SET_BLOCK_SIZE failed expected %s got", + tst_strerrno(tc->exp_err)); +} + +static void setup(void) +{ + unsigned int pg_size; + + 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/logical_block_size", dev_num); + tst_fill_file("test.img", 0, 1024, 1024); + tst_attach_device(dev_path, "test.img"); + attach_flag = 1; + half_value = 256; + pg_size = getpagesize(); + invalid_value = pg_size * 2 ; + unalign_value = pg_size - 1; + + dev_fd = SAFE_OPEN(dev_path, O_RDWR); + 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 = verify_ioctl_loop, + .tcnt = ARRAY_SIZE(tcases), + .needs_root = 1, + .needs_tmpdir = 1, + .needs_drivers = (const char *const []) { + "loop", + NULL + } +}; -- 2.23.0