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Tue, 03 Dec 2024 13:51:49 -0800 (PST) Received: from [192.168.1.128] ([38.175.170.29]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3a7ccc0dd6dsm28689165ab.41.2024.12.03.13.51.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Dec 2024 13:51:48 -0800 (PST) Message-ID: <63d5e3bb-9817-4a34-98fe-823a9cac7c16@linuxfoundation.org> Date: Tue, 3 Dec 2024 14:51:47 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/2] selftests: tmpfs: Add kselftest support to tmpfs To: Shivam Chaudhary , shuah@kernel.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241112143056.565122-1-cvam0000@gmail.com> <20241112143056.565122-3-cvam0000@gmail.com> Content-Language: en-US From: Shuah Khan In-Reply-To: <20241112143056.565122-3-cvam0000@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/12/24 07:30, Shivam Chaudhary wrote: > Replace direct error handling with 'ksft_test_result_*', > 'ksft_exit_fail_msg' macros for better reporting. > Don't fail the test - skip is the right exit code in this case. > Test logs: > > Before change: > - Without root > error: unshare, errno 1 > > - With root > No, output > > After change: > - Without root > TAP version 13 > 1..1 > Bail out! Error : Need to run as root# Planned tests != run tests (1 != 0) This should be a skip -- see above. > Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 > > - With root > TAP version 13 > 1..1 > ok 1 Test : Success > Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > Signed-off-by: Shivam Chaudhary > --- > .../selftests/tmpfs/bug-link-o-tmpfile.c | 49 ++++++++++--------- > 1 file changed, 26 insertions(+), 23 deletions(-) > > diff --git a/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c > index f0b36e7a152e..c3a8c9c50c8a 100644 > --- a/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c > +++ b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c > @@ -40,39 +40,42 @@ int main(void) > > if (unshare(CLONE_NEWNS) == -1) { > if (errno == ENOSYS || errno == EPERM) { > - fprintf(stderr, "error: unshare, errno %d\n", errno); > - return 4; > + ksft_test_result_skip("unshare() error: unshare, errno %d\n", errno); This looks right. > } > - fprintf(stderr, "error: unshare, errno %d\n", errno); > - return 1; > - } > - if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) { > - fprintf(stderr, "error: mount '/', errno %d\n", errno); > - return 1; > - } > + else{ > + ksft_exit_fail_msg("unshare() error: unshare, errno %d\n", errno); > + } > + } > + > + if (mount(NULL, "/", NULL, MS_PRIVATE | MS_REC, NULL) == -1) { > + ksft_exit_fail_msg("mount() error: Root filesystem private mount: Fail %d\n", errno); > + } > + > > /* Our heroes: 1 root inode, 1 O_TMPFILE inode, 1 permanent inode. */ > if (mount(NULL, "/tmp", "tmpfs", 0, "nr_inodes=3") == -1) { > - fprintf(stderr, "error: mount tmpfs, errno %d\n", errno); > - return 1; > - } > + ksft_exit_fail_msg("mount() error: Mounting tmpfs on /tmp: Fail %d\n", errno); > + } > > - fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_TMPFILE, 0600); > + fd = openat(AT_FDCWD, "/tmp", O_WRONLY | O_TMPFILE, 0600); > if (fd == -1) { > - fprintf(stderr, "error: open 1, errno %d\n", errno); > - return 1; > - } > + ksft_exit_fail_msg("openat() error: Open first temporary file: Fail %d\n", errno); > + } > + > if (linkat(fd, "", AT_FDCWD, "/tmp/1", AT_EMPTY_PATH) == -1) { > - fprintf(stderr, "error: linkat, errno %d\n", errno); > - return 1; > - } > + ksft_exit_fail_msg("linkat() error: Linking the temporary file: Fail %d\n", errno); > + /* Ensure fd is closed on failure */ > + close(fd); > + } > close(fd); > > - fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_TMPFILE, 0600); > + > + fd = openat(AT_FDCWD, "/tmp", O_WRONLY | O_TMPFILE, 0600); > if (fd == -1) { > - fprintf(stderr, "error: open 2, errno %d\n", errno); > - return 1; > - } > + ksft_exit_fail_msg("openat() error: Opening the second temporary file: Fail %d\n", errno); > + } > > + ksft_test_result_pass("Test : Success\n"); > + ksft_exit_pass(); > return 0; > } The rest looks good. thanks, -- Shuah