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/*-
* 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.
*
* $FreeBSD$
*/
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 FsyncDir: public FuseTest {
public:
void expect_fsyncdir(uint64_t ino, uint32_t flags, int error)
{
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in.header.opcode == FUSE_FSYNCDIR &&
in.header.nodeid == ino &&
/*
* TODO: reenable pid check after fixing
* bug 236379
*/
//(pid_t)in.header.pid == getpid() &&
in.body.fsyncdir.fh == FH &&
in.body.fsyncdir.fsync_flags == flags);
}, Eq(true)),
_)
).WillOnce(Invoke(ReturnErrno(error)));
}
void expect_lookup(const char *relpath, uint64_t ino)
{
FuseTest::expect_lookup(relpath, ino, S_IFDIR | 0755, 0, 1);
}
};
class AioFsyncDir: public FsyncDir {
virtual void SetUp() {
if (!is_unsafe_aio_enabled())
GTEST_SKIP() <<
"vfs.aio.enable_unsafe must be set for this test";
FuseTest::SetUp();
}
};
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236379 */
TEST_F(AioFsyncDir, aio_fsync)
{
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
uint64_t ino = 42;
struct aiocb iocb, *piocb;
int fd;
expect_lookup(RELPATH, ino);
expect_opendir(ino);
expect_fsyncdir(ino, 0, 0);
fd = open(FULLPATH, O_DIRECTORY);
ASSERT_LE(0, fd) << 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);
leak(fd);
}
TEST_F(FsyncDir, eio)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
int fd;
expect_lookup(RELPATH, ino);
expect_opendir(ino);
expect_fsyncdir(ino, 0, EIO);
fd = open(FULLPATH, O_DIRECTORY);
ASSERT_LE(0, fd) << strerror(errno);
ASSERT_NE(0, fsync(fd));
ASSERT_EQ(EIO, errno);
leak(fd);
}
/*
* 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
*/
TEST_F(FsyncDir, enosys)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
int fd;
expect_lookup(RELPATH, ino);
expect_opendir(ino);
expect_fsyncdir(ino, 0, ENOSYS);
fd = open(FULLPATH, O_DIRECTORY);
ASSERT_LE(0, fd) << strerror(errno);
EXPECT_EQ(0, fsync(fd)) << strerror(errno);
/* Subsequent calls shouldn't query the daemon*/
EXPECT_EQ(0, fsync(fd)) << strerror(errno);
leak(fd);
}
TEST_F(FsyncDir, fsyncdata)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
int fd;
expect_lookup(RELPATH, ino);
expect_opendir(ino);
expect_fsyncdir(ino, FUSE_FSYNC_FDATASYNC, 0);
fd = open(FULLPATH, O_DIRECTORY);
ASSERT_LE(0, fd) << strerror(errno);
ASSERT_EQ(0, fdatasync(fd)) << strerror(errno);
leak(fd);
}
/*
* Unlike regular files, the kernel doesn't know whether a directory is or
* isn't dirty, so fuse(4) should always send FUSE_FSYNCDIR on fsync(2)
*/
TEST_F(FsyncDir, fsync)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
int fd;
expect_lookup(RELPATH, ino);
expect_opendir(ino);
expect_fsyncdir(ino, 0, 0);
fd = open(FULLPATH, O_DIRECTORY);
ASSERT_LE(0, fd) << strerror(errno);
ASSERT_EQ(0, fsync(fd)) << strerror(errno);
leak(fd);
}
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