Differential D32332 Diff 96315 tests/sys/fs/fusefs/write.cc

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tests/sys/fs/fusefs/write.cc

Show First 20 Lines • Show All 202 Lines • ▼ Show 20 Lines	virtual void SetUp() {
* For this test, m_maxwrite must be less than either m_maxbcachebuf or		* For this test, m_maxwrite must be less than either m_maxbcachebuf or
* maxphys.		* maxphys.
*/		*/
m_maxwrite = 32768;		m_maxwrite = 32768;
Write::SetUp();		Write::SetUp();
}		}
};		};

		class WriteEofDuringVnopStrategy: public Write, public WithParamInterface<int>
		{};

void sigxfsz_handler(int __unused sig) {		void sigxfsz_handler(int __unused sig) {
Write::s_sigxfsz = 1;		Write::s_sigxfsz = 1;
}		}

/* AIO writes need to set the header's pid field correctly */		/* AIO writes need to set the header's pid field correctly */
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236379 */		/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236379 */
TEST_F(AioWrite, DISABLED_aio_write)		TEST_F(AioWrite, DISABLED_aio_write)
{		{
▲ Show 20 Lines • Show All 301 Lines • ▼ Show 20 Lines	TEST_F(Write, eof_during_rmw)

fd = open(FULLPATH, O_RDWR);		fd = open(FULLPATH, O_RDWR);
ASSERT_LE(0, fd) << strerror(errno);		ASSERT_LE(0, fd) << strerror(errno);

ASSERT_EQ(bufsize, pwrite(fd, CONTENTS, bufsize, offset))		ASSERT_EQ(bufsize, pwrite(fd, CONTENTS, bufsize, offset))
<< strerror(errno);		<< strerror(errno);
leak(fd);		leak(fd);
}		}

		/*
		* VOP_STRATEGY should not query the server for the file's size, even if its
		* cached attributes have expired.
		* Regression test for https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256937
		*/
		TEST_P(WriteEofDuringVnopStrategy, eof_during_vop_strategy)
		{
		const char FULLPATH[] = "mountpoint/some_file.txt";
		const char RELPATH[] = "some_file.txt";
		Sequence seq;
		const off_t filesize = 2 * m_maxbcachebuf;
		void *contents;
		uint64_t ino = 42;
		uint64_t attr_valid = 0;
		uint64_t attr_valid_nsec = 0;
		mode_t mode = S_IFREG \| 0644;
		int fd;
		int ngetattrs;

		ngetattrs = GetParam();
		contents = calloc(1, filesize);

		EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH)
		.WillRepeatedly(Invoke(
		ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry);
		out.body.entry.attr.mode = mode;
		out.body.entry.nodeid = ino;
		out.body.entry.attr.nlink = 1;
		out.body.entry.attr.size = filesize;
		out.body.entry.attr_valid = attr_valid;
		out.body.entry.attr_valid_nsec = attr_valid_nsec;
		})));
		expect_open(ino, 0, 1);
		EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
		return (in.header.opcode == FUSE_GETATTR &&
		in.header.nodeid == ino);
		}, Eq(true)),
		_)
		).Times(Between(ngetattrs - 1, ngetattrs))
		.InSequence(seq)
		.WillRepeatedly(Invoke(ReturnImmediate([=](auto i __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, attr);
		out.body.attr.attr.ino = ino;
		out.body.attr.attr.mode = mode;
		out.body.attr.attr_valid = attr_valid;
		out.body.attr.attr_valid_nsec = attr_valid_nsec;
		out.body.attr.attr.size = filesize;
		})));
		EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
		return (in.header.opcode == FUSE_GETATTR &&
		in.header.nodeid == ino);
		}, Eq(true)),
		_)
		).InSequence(seq)
		.WillRepeatedly(Invoke(ReturnImmediate([=](auto i __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, attr);
		out.body.attr.attr.ino = ino;
		out.body.attr.attr.mode = mode;
		out.body.attr.attr_valid = attr_valid;
		out.body.attr.attr_valid_nsec = attr_valid_nsec;
		out.body.attr.attr.size = filesize / 2;
		})));
		expect_write(ino, 0, filesize / 2, filesize / 2, contents);

		fd = open(FULLPATH, O_RDWR);
		ASSERT_LE(0, fd) << strerror(errno);
		ASSERT_EQ(filesize / 2, write(fd, contents, filesize / 2))
		<< strerror(errno);

		}

		INSTANTIATE_TEST_CASE_P(W, WriteEofDuringVnopStrategy,
		Values(1, 2, 3)
		);

/*		/*
* If the kernel cannot be sure which uid, gid, or pid was responsible for a		* If the kernel cannot be sure which uid, gid, or pid was responsible for a
* write, then it must set the FUSE_WRITE_CACHE bit		* write, then it must set the FUSE_WRITE_CACHE bit
*/		*/
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236378 */		/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236378 */
TEST_F(Write, mmap)		TEST_F(Write, mmap)
{		{
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