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fusefs: skip some tests when unsafe aio is disabled
[FreeBSD/FreeBSD.git] / tests / sys / fs / fusefs / fsyncdir.cc
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2019 The FreeBSD Foundation
5  *
6  * This software was developed by BFF Storage Systems, LLC under sponsorship
7  * from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32
33 extern "C" {
34 #include <aio.h>
35 #include <fcntl.h>
36 #include <unistd.h>
37 }
38
39 #include "mockfs.hh"
40 #include "utils.hh"
41
42 using namespace testing;
43
44 /*
45  * TODO: remove FUSE_FSYNC_FDATASYNC definition when upgrading to protocol 7.28.
46  * This bit was actually part of kernel protocol version 5.2, but never
47  * documented until after 7.28
48  */
49 #ifndef FUSE_FSYNC_FDATASYNC
50 #define FUSE_FSYNC_FDATASYNC 1
51 #endif
52
53 class FsyncDir: public FuseTest {
54 public:
55 void expect_fsyncdir(uint64_t ino, uint32_t flags, int error)
56 {
57         EXPECT_CALL(*m_mock, process(
58                 ResultOf([=](auto in) {
59                         return (in.header.opcode == FUSE_FSYNCDIR &&
60                                 in.header.nodeid == ino &&
61                                 /* 
62                                  * TODO: reenable pid check after fixing
63                                  * bug 236379
64                                  */
65                                 //(pid_t)in.header.pid == getpid() &&
66                                 in.body.fsyncdir.fh == FH &&
67                                 in.body.fsyncdir.fsync_flags == flags);
68                 }, Eq(true)),
69                 _)
70         ).WillOnce(Invoke(ReturnErrno(error)));
71 }
72
73 void expect_lookup(const char *relpath, uint64_t ino)
74 {
75         FuseTest::expect_lookup(relpath, ino, S_IFDIR | 0755, 0, 1);
76 }
77
78 };
79
80 class AioFsyncDir: public FsyncDir {
81 virtual void SetUp() {
82         if (!is_unsafe_aio_enabled())
83                 GTEST_SKIP() <<
84                         "vfs.aio.enable_unsafe must be set for this test";
85         FuseTest::SetUp();
86 }
87 };
88
89 /* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236379 */
90 TEST_F(AioFsyncDir, aio_fsync)
91 {
92         const char FULLPATH[] = "mountpoint/some_file.txt";
93         const char RELPATH[] = "some_file.txt";
94         uint64_t ino = 42;
95         struct aiocb iocb, *piocb;
96         int fd;
97
98         expect_lookup(RELPATH, ino);
99         expect_opendir(ino);
100         expect_fsyncdir(ino, 0, 0);
101
102         fd = open(FULLPATH, O_DIRECTORY);
103         ASSERT_LE(0, fd) << strerror(errno);
104
105         bzero(&iocb, sizeof(iocb));
106         iocb.aio_fildes = fd;
107
108         ASSERT_EQ(0, aio_fsync(O_SYNC, &iocb)) << strerror(errno);
109         ASSERT_EQ(0, aio_waitcomplete(&piocb, NULL)) << strerror(errno);
110
111         leak(fd);
112 }
113
114 TEST_F(FsyncDir, eio)
115 {
116         const char FULLPATH[] = "mountpoint/some_dir";
117         const char RELPATH[] = "some_dir";
118         uint64_t ino = 42;
119         int fd;
120
121         expect_lookup(RELPATH, ino);
122         expect_opendir(ino);
123         expect_fsyncdir(ino, 0, EIO);
124
125         fd = open(FULLPATH, O_DIRECTORY);
126         ASSERT_LE(0, fd) << strerror(errno);
127         ASSERT_NE(0, fsync(fd));
128         ASSERT_EQ(EIO, errno);
129
130         leak(fd);
131 }
132
133 /*
134  * If the filesystem returns ENOSYS, it will be treated as success and
135  * subsequent calls to VOP_FSYNC will succeed automatically without being sent
136  * to the filesystem daemon
137  */
138 TEST_F(FsyncDir, enosys)
139 {
140         const char FULLPATH[] = "mountpoint/some_dir";
141         const char RELPATH[] = "some_dir";
142         uint64_t ino = 42;
143         int fd;
144
145         expect_lookup(RELPATH, ino);
146         expect_opendir(ino);
147         expect_fsyncdir(ino, 0, ENOSYS);
148
149         fd = open(FULLPATH, O_DIRECTORY);
150         ASSERT_LE(0, fd) << strerror(errno);
151         EXPECT_EQ(0, fsync(fd)) << strerror(errno);
152
153         /* Subsequent calls shouldn't query the daemon*/
154         EXPECT_EQ(0, fsync(fd)) << strerror(errno);
155
156         leak(fd);
157 }
158
159 TEST_F(FsyncDir, fsyncdata)
160 {
161         const char FULLPATH[] = "mountpoint/some_dir";
162         const char RELPATH[] = "some_dir";
163         uint64_t ino = 42;
164         int fd;
165
166         expect_lookup(RELPATH, ino);
167         expect_opendir(ino);
168         expect_fsyncdir(ino, FUSE_FSYNC_FDATASYNC, 0);
169
170         fd = open(FULLPATH, O_DIRECTORY);
171         ASSERT_LE(0, fd) << strerror(errno);
172         ASSERT_EQ(0, fdatasync(fd)) << strerror(errno);
173
174         leak(fd);
175 }
176
177 /* 
178  * Unlike regular files, the kernel doesn't know whether a directory is or
179  * isn't dirty, so fuse(4) should always send FUSE_FSYNCDIR on fsync(2)
180  */
181 TEST_F(FsyncDir, fsync)
182 {
183         const char FULLPATH[] = "mountpoint/some_dir";
184         const char RELPATH[] = "some_dir";
185         uint64_t ino = 42;
186         int fd;
187
188         expect_lookup(RELPATH, ino);
189         expect_opendir(ino);
190         expect_fsyncdir(ino, 0, 0);
191
192         fd = open(FULLPATH, O_DIRECTORY);
193         ASSERT_LE(0, fd) << strerror(errno);
194         ASSERT_EQ(0, fsync(fd)) << strerror(errno);
195
196         leak(fd);
197 }