diff options
| -rw-r--r-- | tests/matrix/concurrency_test.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/matrix/concurrency_test.go b/tests/matrix/concurrency_test.go index 205becb..24d4578 100644 --- a/tests/matrix/concurrency_test.go +++ b/tests/matrix/concurrency_test.go @@ -127,3 +127,60 @@ func TestConcurrentReadCreate(t *testing.T) { }() wg.Wait() } + +// TestInoReuse tries to uncover problems when a file gets replaced by +// a directory with the same inode number (and vice versa). +// +// So far, it only has triggered warnings like this +// +// go-fuse: warning: Inode.Path: inode i4201033 is orphaned, replacing segment with ".go-fuse.5577006791947779410/deleted" +// +// but none of the "blocked waiting for FORGET". +func TestInoReuse(t *testing.T) { + var wg sync.WaitGroup + fn := test_helpers.DefaultPlainDir + "/" + t.Name() + + wg.Add(1) + go func() { + for i := 0; i < 1000; i++ { + fd, err := syscall.Creat(fn, 0600) + if err == syscall.EISDIR { + continue + } + if err != nil { + t.Error(err) + break + } + var st syscall.Stat_t + syscall.Fstat(fd, &st) + if i%2 == 0 { + syscall.Close(fd) + syscall.Unlink(fn) + } else { + syscall.Unlink(fn) + syscall.Close(fd) + + } + } + wg.Done() + }() + + wg.Add(1) + go func() { + for i := 0; i < 1000; i++ { + err := syscall.Mkdir(fn, 0700) + if err == syscall.EEXIST { + continue + } + if err != nil { + t.Error(err) + break + } + var st syscall.Stat_t + syscall.Stat(fn, &st) + syscall.Rmdir(fn) + } + wg.Done() + }() + wg.Wait() +} |