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Date:      Wed, 13 Mar 2019 22:16:00 +0000 (UTC)
From:      Alan Somers <asomers@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r345118 - projects/fuse2/tests/sys/fs/fuse
Message-ID:  <201903132216.x2DMG0FF097989@repo.freebsd.org>

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Author: asomers
Date: Wed Mar 13 22:16:00 2019
New Revision: 345118
URL: https://svnweb.freebsd.org/changeset/base/345118

Log:
  fuse(4): add tests for POSIX file locking operations
  
  PR:		234581
  Sponsored by:	The FreeBSD Foundation

Added:
  projects/fuse2/tests/sys/fs/fuse/locks.cc   (contents, props changed)
Modified:
  projects/fuse2/tests/sys/fs/fuse/Makefile
  projects/fuse2/tests/sys/fs/fuse/mockfs.cc
  projects/fuse2/tests/sys/fs/fuse/mockfs.hh
  projects/fuse2/tests/sys/fs/fuse/utils.cc
  projects/fuse2/tests/sys/fs/fuse/utils.hh

Modified: projects/fuse2/tests/sys/fs/fuse/Makefile
==============================================================================
--- projects/fuse2/tests/sys/fs/fuse/Makefile	Wed Mar 13 21:53:10 2019	(r345117)
+++ projects/fuse2/tests/sys/fs/fuse/Makefile	Wed Mar 13 22:16:00 2019	(r345118)
@@ -11,6 +11,7 @@ ATF_TESTS_CXX+=	fsync
 ATF_TESTS_CXX+=	fsyncdir
 ATF_TESTS_CXX+=	getattr
 ATF_TESTS_CXX+=	link
+ATF_TESTS_CXX+=	locks
 ATF_TESTS_CXX+=	lookup
 ATF_TESTS_CXX+=	mkdir
 ATF_TESTS_CXX+=	mknod
@@ -63,6 +64,11 @@ SRCS.link+=	getmntopts.c
 SRCS.link+=	link.cc
 SRCS.link+=	mockfs.cc
 SRCS.link+=	utils.cc
+
+SRCS.locks+=	locks.cc
+SRCS.locks+=	getmntopts.c
+SRCS.locks+=	mockfs.cc
+SRCS.locks+=	utils.cc
 
 SRCS.lookup+=	getmntopts.c
 SRCS.lookup+=	lookup.cc

Added: projects/fuse2/tests/sys/fs/fuse/locks.cc
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/fuse2/tests/sys/fs/fuse/locks.cc	Wed Mar 13 22:16:00 2019	(r345118)
@@ -0,0 +1,475 @@
+/*-
+ * 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 <fcntl.h>
+}
+
+#include "mockfs.hh"
+#include "utils.hh"
+
+/* This flag value should probably be defined in fuse_kernel.h */
+#define OFFSET_MAX 0x7fffffffffffffffLL
+
+using namespace testing;
+
+/* For testing filesystems without posix locking support */
+class Fallback: public FuseTest {
+public:
+const static uint64_t FH = 0xdeadbeef1a7ebabe;
+
+void expect_getattr(uint64_t ino)
+{
+	/* Until the attr cache is working, we may send an additional GETATTR */
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_GETATTR &&
+				in->header.nodeid == ino);
+		}, Eq(true)),
+		_)
+	).WillRepeatedly(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, attr);
+		out->body.attr.attr.ino = ino;	// Must match nodeid
+		out->body.attr.attr.mode = S_IFREG | 0644;
+		out->body.attr.attr_valid = UINT64_MAX;
+	}));
+}
+
+void expect_lookup(const char *relpath, uint64_t ino)
+{
+	EXPECT_LOOKUP(1, relpath).WillRepeatedly(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, entry);
+		out->body.entry.attr.mode = S_IFREG | 0644;
+		out->body.entry.nodeid = ino;
+		out->body.entry.attr_valid = UINT64_MAX;
+	}));
+}
+
+void expect_open(uint64_t ino)
+{
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_OPEN &&
+				in->header.nodeid == ino);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		out->header.len = sizeof(out->header);
+		SET_OUT_HEADER_LEN(out, open);
+		out->body.open.fh = FH;
+	}));
+}
+
+};
+
+/* For testing filesystems with posix locking support */
+class Locks: public Fallback {
+	virtual void SetUp() {
+		m_init_flags = FUSE_POSIX_LOCKS;
+		Fallback::SetUp();
+	}
+};
+
+class GetlkFallback: public Fallback {};
+class Getlk: public Locks {};
+class SetlkFallback: public Fallback {};
+class Setlk: public Locks {};
+class SetlkwFallback: public Fallback {};
+class Setlkw: public Locks {};
+
+/*
+ * If the fuse filesystem does not support posix file locks, then the kernel
+ * should fall back to local locks.
+ */
+TEST_F(GetlkFallback, local)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = getpid();
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_GETLK, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* 
+ * If the filesystem has no locks that fit the description, the filesystem
+ * should return F_UNLCK
+ */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Getlk, DISABLED_no_locks)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_GETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == 1009 &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, getlk);
+		out->body.getlk.lk = in->body.getlk.lk;
+		out->body.getlk.lk.type = F_UNLCK;
+	}));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_GETLK, &fl)) << strerror(errno);
+	ASSERT_EQ(F_UNLCK, fl.l_type);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* A different pid does have a lock */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Getlk, DISABLED_lock_exists)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+	pid_t pid2 = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_GETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == 1009 &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, getlk);
+		out->body.getlk.lk.start = 100;
+		out->body.getlk.lk.end = 199;
+		out->body.getlk.lk.type = F_WRLCK;
+		out->body.getlk.lk.pid = (uint32_t)pid2;;
+	}));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_GETLK, &fl)) << strerror(errno);
+	EXPECT_EQ(100, fl.l_start);
+	EXPECT_EQ(100, fl.l_len);
+	EXPECT_EQ(pid2, fl.l_pid);
+	EXPECT_EQ(F_WRLCK, fl.l_type);
+	EXPECT_EQ(SEEK_SET, fl.l_whence);
+	EXPECT_EQ(0, fl.l_sysid);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/*
+ * If the fuse filesystem does not support posix file locks, then the kernel
+ * should fall back to local locks.
+ */
+TEST_F(SetlkFallback, local)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = getpid();
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_SETLK, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* Set a new lock with FUSE_SETLK */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Setlk, DISABLED_set)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == 1009 &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, getlk);
+		out->body.getlk.lk = in->body.getlk.lk;
+		out->body.getlk.lk.type = F_UNLCK;
+	}));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_SETLK, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* l_len = 0 is a flag value that means to lock until EOF */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Setlk, DISABLED_set_eof)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == OFFSET_MAX &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, getlk);
+		out->body.getlk.lk = in->body.getlk.lk;
+		out->body.getlk.lk.type = F_UNLCK;
+	}));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 0;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_SETLK, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/* Fail to set a new lock with FUSE_SETLK due to a conflict */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Setlk, DISABLED_eagain)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == 1009 &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke(ReturnErrno(EAGAIN)));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_EQ(-1, fcntl(fd, F_SETLK, &fl));
+	ASSERT_EQ(EAGAIN, errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/*
+ * If the fuse filesystem does not support posix file locks, then the kernel
+ * should fall back to local locks.
+ */
+TEST_F(SetlkwFallback, local)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = getpid();
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_SETLKW, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}
+
+/*
+ * Set a new lock with FUSE_SETLK.  If the lock is not available, then the
+ * command should block.  But to the kernel, that's the same as just being
+ * slow, so we don't need a separate test method
+ */
+/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234581 */
+TEST_F(Setlkw, DISABLED_set)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	struct flock fl;
+	int fd;
+	pid_t pid = 1234;
+
+	expect_lookup(RELPATH, ino);
+	expect_open(ino);
+	expect_getattr(ino);
+	EXPECT_CALL(*m_mock, process(
+		ResultOf([=](auto in) {
+			return (in->header.opcode == FUSE_SETLK &&
+				in->header.nodeid == ino &&
+				in->body.getlk.fh == FH &&
+				in->body.getlk.owner == (uint32_t)pid &&
+				in->body.getlk.lk.start == 10 &&
+				in->body.getlk.lk.end == 1009 &&
+				in->body.getlk.lk.type == F_RDLCK &&
+				in->body.getlk.lk.pid == 10);
+		}, Eq(true)),
+		_)
+	).WillOnce(Invoke([=](auto in, auto out) {
+		out->header.unique = in->header.unique;
+		SET_OUT_HEADER_LEN(out, getlk);
+		out->body.getlk.lk = in->body.getlk.lk;
+		out->body.getlk.lk.type = F_UNLCK;
+	}));
+
+	fd = open(FULLPATH, O_RDWR);
+	ASSERT_LE(0, fd) << strerror(errno);
+	fl.l_start = 10;
+	fl.l_len = 1000;
+	fl.l_pid = pid;
+	fl.l_type = F_RDLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_sysid = 0;
+	ASSERT_NE(-1, fcntl(fd, F_SETLKW, &fl)) << strerror(errno);
+	/* Deliberately leak fd.  close(2) will be tested in release.cc */
+}

Modified: projects/fuse2/tests/sys/fs/fuse/mockfs.cc
==============================================================================
--- projects/fuse2/tests/sys/fs/fuse/mockfs.cc	Wed Mar 13 21:53:10 2019	(r345117)
+++ projects/fuse2/tests/sys/fs/fuse/mockfs.cc	Wed Mar 13 22:16:00 2019	(r345118)
@@ -183,7 +183,7 @@ void debug_fuseop(const mockfs_buf_in *in)
 	printf("\n");
 }
 
-MockFS::MockFS(int max_readahead) {
+MockFS::MockFS(int max_readahead, uint32_t flags) {
 	struct iovec *iov = NULL;
 	int iovlen = 0;
 	char fdstr[15];
@@ -225,7 +225,7 @@ MockFS::MockFS(int max_readahead) {
 	ON_CALL(*this, process(_, _))
 		.WillByDefault(Invoke(this, &MockFS::process_default));
 
-	init();
+	init(flags);
 	signal(SIGUSR1, sigint_handler);
 	if (pthread_create(&m_daemon_id, NULL, service, (void*)this))
 		throw(std::system_error(errno, std::system_category(),
@@ -238,7 +238,7 @@ MockFS::~MockFS() {
 	rmdir("mountpoint");
 }
 
-void MockFS::init() {
+void MockFS::init(uint32_t flags) {
 	mockfs_buf_in *in;
 	mockfs_buf_out *out;
 
@@ -255,6 +255,7 @@ void MockFS::init() {
 	out->header.error = 0;
 	out->body.init.major = FUSE_KERNEL_VERSION;
 	out->body.init.minor = FUSE_KERNEL_MINOR_VERSION;
+	out->body.init.flags = in->body.init.flags & flags;
 
 	/*
 	 * The default max_write is set to this formula in libfuse, though
@@ -311,6 +312,10 @@ void MockFS::loop() {
 		}
 		if (in->header.opcode == FUSE_FORGET) {
 			/*Alone among the opcodes, FORGET expects no response*/
+			continue;
+		}
+		if (out.header.error == FUSE_NORESPONSE) {
+			/* Used by tests of slow opcodes.  No response ATM */
 			continue;
 		}
 		ASSERT_TRUE(write(m_fuse_fd, &out, out.header.len) > 0 ||

Modified: projects/fuse2/tests/sys/fs/fuse/mockfs.hh
==============================================================================
--- projects/fuse2/tests/sys/fs/fuse/mockfs.hh	Wed Mar 13 21:53:10 2019	(r345117)
+++ projects/fuse2/tests/sys/fs/fuse/mockfs.hh	Wed Mar 13 22:16:00 2019	(r345118)
@@ -40,6 +40,12 @@ extern "C" {
 
 #define TIME_T_MAX (std::numeric_limits<time_t>::max())
 
+/* 
+ * A pseudo-fuse errno used indicate that a fuse operation should have no
+ * response, at least not immediately
+ */
+#define FUSE_NORESPONSE 9999
+
 #define SET_OUT_HEADER_LEN(out, variant) { \
 	(out)->header.len = (sizeof((out)->header) + \
 			     sizeof((out)->body.variant)); \
@@ -78,6 +84,8 @@ union fuse_payloads_in {
 	fuse_fsync_in	fsync;
 	fuse_fsync_in	fsyncdir;
 	fuse_forget_in	forget;
+	fuse_interrupt_in interrupt;
+	fuse_lk_in	getlk;
 	fuse_init_in	init;
 	fuse_link_in	link;
 	char		lookup[0];
@@ -92,6 +100,7 @@ union fuse_payloads_in {
 	fuse_rename_in	rename;
 	char		rmdir[0];
 	fuse_setattr_in	setattr;
+	fuse_lk_in	setlk;
 	char		unlink[0];
 	fuse_write_in	write;
 };
@@ -107,8 +116,10 @@ union fuse_payloads_out {
 	/* The protocol places no limits on the size of bytes */
 	uint8_t			bytes[0x20000];
 	fuse_entry_out		entry;
+	fuse_lk_out		getlk;
 	fuse_init_out		init;
 	fuse_open_out		open;
+	fuse_lk_out		setlk;
 	fuse_statfs_out		statfs;
 	/*
 	 * The protocol places no limits on the length of the string.  This is
@@ -165,7 +176,7 @@ class MockFS {
 	pid_t m_pid;
 
 	/* Initialize a session after mounting */
-	void init();
+	void init(uint32_t flags);
 
 	/* Is pid from a process that might be involved in the test? */
 	bool pid_ok(pid_t pid);
@@ -184,7 +195,7 @@ class MockFS {
 	uint32_t m_max_write;
 
 	/* Create a new mockfs and mount it to a tempdir */
-	MockFS(int max_readahead);
+	MockFS(int max_readahead, uint32_t flags);
 	virtual ~MockFS();
 
 	/* Kill the filesystem daemon without unmounting the filesystem */

Modified: projects/fuse2/tests/sys/fs/fuse/utils.cc
==============================================================================
--- projects/fuse2/tests/sys/fs/fuse/utils.cc	Wed Mar 13 21:53:10 2019	(r345117)
+++ projects/fuse2/tests/sys/fs/fuse/utils.cc	Wed Mar 13 22:16:00 2019	(r345118)
@@ -76,7 +76,7 @@ void FuseTest::SetUp() {
 	m_maxbcachebuf = val;
 
 	try {
-		m_mock = new MockFS(m_maxreadahead);
+		m_mock = new MockFS(m_maxreadahead, m_init_flags);
 	} catch (std::system_error err) {
 		FAIL() << err.what();
 	}

Modified: projects/fuse2/tests/sys/fs/fuse/utils.hh
==============================================================================
--- projects/fuse2/tests/sys/fs/fuse/utils.hh	Wed Mar 13 21:53:10 2019	(r345117)
+++ projects/fuse2/tests/sys/fs/fuse/utils.hh	Wed Mar 13 22:16:00 2019	(r345118)
@@ -31,6 +31,7 @@
 class FuseTest : public ::testing::Test {
 	protected:
 	uint32_t m_maxreadahead;
+	uint32_t m_init_flags;
 	MockFS *m_mock = NULL;
 
 	public:
@@ -40,8 +41,10 @@ class FuseTest : public ::testing::Test {
 	 * libfuse's default max_readahead is UINT_MAX, though it can be
 	 * lowered
 	 */
-	FuseTest(): FuseTest(UINT_MAX) {}
+	FuseTest(): FuseTest(UINT_MAX, 0) {}
 	FuseTest(uint32_t maxreadahead): m_maxreadahead(maxreadahead) {}
+	FuseTest(uint32_t maxreadahead, uint32_t init_flags):
+		m_maxreadahead(maxreadahead), m_init_flags(init_flags) {}
 
 	virtual void SetUp();
 



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