2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2019 The FreeBSD Foundation
6 * This software was developed by BFF Storage Systems, LLC under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
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18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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34 #include <semaphore.h>
40 using namespace testing;
42 /* Tests for orderly unmounts */
43 class Destroy: public FuseTest {};
45 /* Tests for unexpected deaths of the server */
46 class Death: public FuseTest{};
48 static void* open_th(void* arg) {
50 const char *path = (const char*)arg;
52 fd = open(path, O_RDONLY);
54 EXPECT_EQ(ENOTCONN, errno);
59 * The server dies with unsent operations still on the message queue.
60 * Check for any memory leaks like this:
61 * 1) kldunload fusefs, if necessary
63 * 3) ./destroy --gtest_filter=Destroy.unsent_operations
65 * 5) check /var/log/messages for anything like this:
66 Freed UMA keg (fuse_ticket) was not empty (31 items). Lost 2 pages of memory.
67 Warning: memory type fuse_msgbuf leaked memory on destroy (68 allocations, 428800 bytes leaked).
69 TEST_F(Death, unsent_operations)
71 const char FULLPATH0[] = "mountpoint/some_file.txt";
72 const char FULLPATH1[] = "mountpoint/other_file.txt";
73 const char RELPATH0[] = "some_file.txt";
74 const char RELPATH1[] = "other_file.txt";
76 ino_t ino0 = 42, ino1 = 43;
78 mode_t mode = S_IFREG | 0644;
82 EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH0)
83 .WillRepeatedly(Invoke(
84 ReturnImmediate([=](auto in __unused, auto& out) {
85 SET_OUT_HEADER_LEN(out, entry);
86 out.body.entry.attr.mode = mode;
87 out.body.entry.nodeid = ino0;
88 out.body.entry.attr.nlink = 1;
90 EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH1)
91 .WillRepeatedly(Invoke(
92 ReturnImmediate([=](auto in __unused, auto& out) {
93 SET_OUT_HEADER_LEN(out, entry);
94 out.body.entry.attr.mode = mode;
95 out.body.entry.nodeid = ino1;
96 out.body.entry.attr.nlink = 1;
99 EXPECT_CALL(*m_mock, process(
100 ResultOf([&](auto in) {
101 return (in.header.opcode == FUSE_OPEN);
104 ).WillOnce(Invoke([&](auto in __unused, auto &out __unused) {
110 * One thread's operation will be sent to the daemon and block, and the
111 * other's will be stuck in the message queue.
113 ASSERT_EQ(0, pthread_create(&th0, NULL, open_th,
114 __DECONST(void*, FULLPATH0))) << strerror(errno);
115 ASSERT_EQ(0, pthread_create(&th1, NULL, open_th,
116 __DECONST(void*, FULLPATH1))) << strerror(errno);
118 /* Wait for the first thread to block */
120 /* Give the second thread time to block */
123 m_mock->kill_daemon();
125 pthread_join(th0, NULL);
126 pthread_join(th1, NULL);
132 * On unmount the kernel should send a FUSE_DESTROY operation. It should also
133 * send FUSE_FORGET operations for all inodes with lookup_count > 0.
137 const char FULLPATH[] = "mountpoint/some_file.txt";
138 const char RELPATH[] = "some_file.txt";
141 expect_lookup(RELPATH, ino, S_IFREG | 0644, 0, 2);
142 expect_forget(FUSE_ROOT_ID, 1);
143 expect_forget(ino, 2);
147 * access(2) the file to force a lookup. Access it twice to double its
150 ASSERT_EQ(0, access(FULLPATH, F_OK)) << strerror(errno);
151 ASSERT_EQ(0, access(FULLPATH, F_OK)) << strerror(errno);
154 * Unmount, triggering a FUSE_DESTROY and also causing a VOP_RECLAIM
155 * for every vnode on this mp, triggering FUSE_FORGET for each of them.