fusefs: adapt the tests to the fuse => fusefs rename

Sponsored by:	The FreeBSD Foundation

1 files changed, 313 insertions, 0 deletions

diff --git a/tests/sys/fs/fusefs/fsync.cc b/tests/sys/fs/fusefs/fsync.cc
new file mode 100644
index 000000000000..9894a3d2888a
--- /dev/null
+++ b/tests/sys/fs/fusefs/fsync.cc
@@ -0,0 +1,313 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2019 The FreeBSD Foundation
+ *
+ * This software was developed by BFF Storage Systems, LLC under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+extern "C" {
+#include <aio.h>
+#include <fcntl.h>
+#include <unistd.h>
+}
+
+#include "mockfs.hh"
+#include "utils.hh"
+
+using namespace testing;
+
+/*
+ * TODO: remove FUSE_FSYNC_FDATASYNC definition when upgrading to protocol 7.28.
+ * This bit was actually part of kernel protocol version 5.2, but never
+ * documented until after 7.28
+ */
+#ifndef FUSE_FSYNC_FDATASYNC
+#define FUSE_FSYNC_FDATASYNC 1
+#endif
+
+class Fsync: public FuseTest {
+public:
+void expect_fsync(uint64_t ino, uint32_t flags, int error)
+{
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_FSYNC &&
+				in->header.nodeid == ino &&
+				in->body.fsync.fh == FH &&
+				in->body.fsync.fsync_flags == flags);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke(ReturnErrno(error)));
+}
+
+void expect_lookup(const char *relpath, uint64_t ino)
+{
+	FuseTest::expect_lookup(relpath, ino, S_IFREG | 0644, 0, 1);
+}
+
+void expect_write(uint64_t ino, uint64_t size, const void *contents)
+{
+	FuseTest::expect_write(ino, 0, size, size, 0, contents);
+}
+
+};
+
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236379 */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236473 */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+TEST_F(Fsync, DISABLED_aio_fsync)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	struct aiocb iocb, *piocb;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	expect_fsync(ino, 0, 0);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+
+	bzero(&iocb, sizeof(iocb));
+	iocb.aio_fildes = fd;
+
+	ASSERT_EQ(0, aio_fsync(O_SYNC, &iocb)) << strerror(errno);
+	ASSERT_EQ(0, aio_waitcomplete(&piocb, NULL)) << strerror(errno);
+
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/*
+ * fuse(4) should NOT fsync during VOP_RELEASE or VOP_INACTIVE
+ *
+ * This test only really make sense in writeback caching mode, but it should
+ * still pass in any cache mode.
+ */
+TEST_F(Fsync, close)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETATTR);
+		}, Eq(true)),
+		_)
+	).WillRepeatedly(Invoke(ReturnImmediate([=](auto i __unused, auto out) {
+		SET_OUT_HEADER_LEN(out, attr);
+		out->body.attr.attr.ino = ino;	// Must match nodeid
+	})));
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_FSYNC);
+		}, Eq(true)),
+		_)
+	).Times(0);
+	expect_release(ino, 1, 0, 0);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+	close(fd);
+}
+
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+TEST_F(Fsync, DISABLED_eio)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	expect_fsync(ino, FUSE_FSYNC_FDATASYNC, EIO);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+	ASSERT_NE(0, fdatasync(fd));
+	ASSERT_EQ(EIO, errno);
+
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/*
+ * If the filesystem returns ENOSYS, it will be treated as success and
+ * subsequent calls to VOP_FSYNC will succeed automatically without being sent
+ * to the filesystem daemon
+ */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236557 */
+TEST_F(Fsync, DISABLED_enosys)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	expect_fsync(ino, FUSE_FSYNC_FDATASYNC, ENOSYS);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+	EXPECT_EQ(0, fdatasync(fd));
+
+	/* Subsequent calls shouldn't query the daemon*/
+	EXPECT_EQ(0, fdatasync(fd));
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+TEST_F(Fsync, DISABLED_fdatasync)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	expect_fsync(ino, FUSE_FSYNC_FDATASYNC, 0);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+	ASSERT_EQ(0, fdatasync(fd)) << strerror(errno);
+
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236473 */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+TEST_F(Fsync, DISABLED_fsync)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	const char *CONTENTS = "abcdefgh";
+	ssize_t bufsize = strlen(CONTENTS);
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	expect_write(ino, bufsize, CONTENTS);
+	expect_fsync(ino, 0, 0);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
+	ASSERT_EQ(0, fsync(fd)) << strerror(errno);
+
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* Fsync should sync a file with dirty metadata but clean data */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236473 */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
+TEST_F(Fsync, DISABLED_fsync_metadata_only)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	int fd;
+	mode_t mode = 0755;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETATTR);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke(ReturnImmediate([=](auto i __unused, auto out) {
+		SET_OUT_HEADER_LEN(out, attr);
+		out->body.attr.attr.ino = ino;	// Must match nodeid
+		out->body.attr.attr.mode = S_IFREG | mode;
+	})));
+
+	expect_fsync(ino, 0, 0);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	ASSERT_EQ(0, fchmod(fd, mode)) << strerror(errno);
+	ASSERT_EQ(0, fsync(fd)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+// fsync()ing a file that isn't dirty should be a no-op
+TEST_F(Fsync, nop)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino, 0, 1);
+	expect_getattr(ino, 0);
+
+	fd = open(FULLPATH, O_WRONLY);
+	ASSERT_LE(0, fd) << strerror(errno);
+
+	ASSERT_EQ(0, fsync(fd)) << strerror(errno);
+
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+// TODO: ENOSYS test