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fuse(4): add tests for FUSE_OPENDIR, FUSE_FSYNC, and FUSE_FSYNCDIR

Browse Source 
And one more for FUSE_WRITE, too.

PR:		236379
PR:		236473
PR:		236474
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Alan Somers 2019-03-11 22:29:56 +00:00
parent da1200c90f
commit 4459896e18
7 changed files with 720 additions and 0 deletions
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18
tests/sys/fs/fuse/Makefile
View File

@ -7,12 +7,15 @@ TESTSDIR= ${TESTSBASE}/sys/fs/fuse
ATF_TESTS_CXX+= access
ATF_TESTS_CXX+= create
ATF_TESTS_CXX+= flush
ATF_TESTS_CXX+= fsync
ATF_TESTS_CXX+= fsyncdir
ATF_TESTS_CXX+= getattr
ATF_TESTS_CXX+= link
ATF_TESTS_CXX+= lookup
ATF_TESTS_CXX+= mkdir
ATF_TESTS_CXX+= mknod
ATF_TESTS_CXX+= open
ATF_TESTS_CXX+= opendir
ATF_TESTS_CXX+= read
ATF_TESTS_CXX+= readlink
ATF_TESTS_CXX+= release
@ -39,6 +42,16 @@ SRCS.flush+= getmntopts.c
SRCS.flush+= mockfs.cc
SRCS.flush+= utils.cc
SRCS.fsync+= fsync.cc
SRCS.fsync+= getmntopts.c
SRCS.fsync+= mockfs.cc
SRCS.fsync+= utils.cc
SRCS.fsyncdir+= fsyncdir.cc
SRCS.fsyncdir+= getmntopts.c
SRCS.fsyncdir+= mockfs.cc
SRCS.fsyncdir+= utils.cc
SRCS.getattr+= getattr.cc
SRCS.getattr+= getmntopts.c
SRCS.getattr+= mockfs.cc
@ -69,6 +82,11 @@ SRCS.open+= mockfs.cc
SRCS.open+= open.cc
SRCS.open+= utils.cc
SRCS.opendir+= getmntopts.c
SRCS.opendir+= mockfs.cc
SRCS.opendir+= opendir.cc
SRCS.opendir+= utils.cc
SRCS.read+= getmntopts.c
SRCS.read+= mockfs.cc
SRCS.read+= read.cc

349
tests/sys/fs/fuse/fsync.cc Normal file
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@ -0,0 +1,349 @@
/*-
* 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:
const static uint64_t FH = 0xdeadbeef1a7ebabe;
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 &&
//(pid_t)in->header.pid == getpid() &&
in->body.fsync.fh == FH &&
in->body.fsync.fsync_flags == flags);
}, Eq(true)),
_)
).WillOnce(Invoke(ReturnErrno(error)));
}
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;
}));
}
void expect_release(uint64_t ino)
{
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_RELEASE &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke(ReturnErrno(0)));
}
void expect_write(uint64_t ino, uint64_t size, const void *contents)
{
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
const char *buf = (const char*)in->body.bytes +
sizeof(struct fuse_write_in);
return (in->header.opcode == FUSE_WRITE &&
in->header.nodeid == ino &&
0 == bcmp(buf, contents, size));
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, write);
out->body.write.size = size;
}));
}
};
/* 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);
expect_getattr(ino);
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);
expect_getattr(ino);
expect_write(ino, bufsize, CONTENTS);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_SETATTR);
}, 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
}));
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_FSYNC);
}, Eq(true)),
_)
).Times(0);
expect_release(ino);
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);
expect_getattr(ino);
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 */
}
/* 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);
expect_getattr(ino);
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);
expect_getattr(ino);
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);
expect_getattr(ino);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_SETATTR);
}, Eq(true)),
_)
).WillOnce(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 | 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);
expect_getattr(ino);
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 */
}

186
tests/sys/fs/fuse/fsyncdir.cc Normal file
View File

@ -0,0 +1,186 @@
/*-
* 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 FsyncDir: public FuseTest {
public:
const static uint64_t FH = 0xdeadbeef1a7ebabe;
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 &&
//(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)
{
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_IFDIR | 0755;
out->body.entry.nodeid = ino;
out->body.entry.attr_valid = UINT64_MAX;
}));
}
void expect_opendir(uint64_t ino)
{
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_OPENDIR &&
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;
}));
}
};
/* 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(FsyncDir, DISABLED_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);
/* 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(FsyncDir, DISABLED_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);
/* Deliberately leak fd. close(2) will be tested in release.cc */
}
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
TEST_F(FsyncDir, DISABLED_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);
/* Deliberately leak fd. close(2) will be tested in release.cc */
}
/*
* 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)
*/
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236473 */
/* https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236474 */
TEST_F(FsyncDir, DISABLED_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);
/* Deliberately leak fd. close(2) will be tested in release.cc */
}

9
tests/sys/fs/fuse/mockfs.cc
View File

@ -144,6 +144,12 @@ void debug_fuseop(const mockfs_buf_in *in)
in->header.unique, in->header.len);
}
switch (in->header.opcode) {
case FUSE_FSYNC:
printf(" flags=%#x", in->body.fsync.fsync_flags);
break;
case FUSE_FSYNCDIR:
printf(" flags=%#x", in->body.fsyncdir.fsync_flags);
break;
case FUSE_LOOKUP:
printf(" %s", in->body.lookup);
break;
@ -155,6 +161,9 @@ void debug_fuseop(const mockfs_buf_in *in)
printf(" offset=%lu size=%u", in->body.read.offset,
in->body.read.size);
break;
case FUSE_SETATTR:
printf(" valid=%#x", in->body.setattr.valid);
break;
case FUSE_WRITE:
printf(" offset=%lu size=%u flags=%u",
in->body.write.offset, in->body.write.size,

2
tests/sys/fs/fuse/mockfs.hh
View File

@ -75,6 +75,8 @@ union fuse_payloads_in {
/* value is from fuse_kern_chan.c in fusefs-libs */
uint8_t bytes[0x21000 - sizeof(struct fuse_in_header)];
fuse_flush_in flush;
fuse_fsync_in fsync;
fuse_fsync_in fsyncdir;
fuse_forget_in forget;
fuse_init_in init;
fuse_link_in link;

123
tests/sys/fs/fuse/opendir.cc Normal file
View File

@ -0,0 +1,123 @@
/*-
* 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"
using namespace testing;
class Opendir: public FuseTest {
public:
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_IFDIR | 0755;
out->body.entry.nodeid = ino;
out->body.entry.attr_valid = UINT64_MAX;
}));
}
};
/*
* The fuse daemon fails the request with enoent. This usually indicates a
* race condition: some other FUSE client removed the file in between when the
* kernel checked for it with lookup and tried to open it
*/
TEST_F(Opendir, enoent)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
expect_lookup(RELPATH, ino);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_OPENDIR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke(ReturnErrno(ENOENT)));
EXPECT_NE(0, open(FULLPATH, O_DIRECTORY));
EXPECT_EQ(ENOENT, errno);
}
/*
* The daemon is responsible for checking file permissions (unless the
* default_permissions mount option was used)
*/
TEST_F(Opendir, eperm)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
expect_lookup(RELPATH, ino);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_OPENDIR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke(ReturnErrno(EPERM)));
EXPECT_NE(0, open(FULLPATH, O_DIRECTORY));
EXPECT_EQ(EPERM, errno);
}
TEST_F(Opendir, ok)
{
const char FULLPATH[] = "mountpoint/some_dir";
const char RELPATH[] = "some_dir";
uint64_t ino = 42;
expect_lookup(RELPATH, ino);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_OPENDIR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, open);
}));
EXPECT_LE(0, open(FULLPATH, O_DIRECTORY)) << strerror(errno);
}

33
tests/sys/fs/fuse/write.cc
View File

@ -580,6 +580,39 @@ TEST_F(Write, write_nothing)
/* Deliberately leak fd. close(2) will be tested in release.cc */
}
/* In writeback mode, dirty data should be written on close */
TEST_F(WriteBack, close)
{
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const char *CONTENTS = "abcdefgh";
uint64_t ino = 42;
int fd;
ssize_t bufsize = strlen(CONTENTS);
expect_lookup(RELPATH, ino);
expect_open(ino, 0, 1);
expect_getattr(ino, 0);
expect_write(ino, 0, bufsize, bufsize, 0, CONTENTS);
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_SETATTR);
}, 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
}));
expect_release(ino, ReturnErrno(0));
fd = open(FULLPATH, O_RDWR);
ASSERT_LE(0, fd) << strerror(errno);
ASSERT_EQ(bufsize, write(fd, CONTENTS, bufsize)) << strerror(errno);
close(fd);
}
/*
* Without direct_io, writes should be committed to cache
*/