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-rw-r--r--tests/cli/cli_test.go33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/cli/cli_test.go b/tests/cli/cli_test.go
index 23cea05..9d25062 100644
--- a/tests/cli/cli_test.go
+++ b/tests/cli/cli_test.go
@@ -9,6 +9,7 @@ import (
"os/exec"
"strconv"
"strings"
+ "sync"
"syscall"
"testing"
"time"
@@ -869,3 +870,35 @@ func TestSharedstorage(t *testing.T) {
t.Fatal(st2.Size)
}
}
+
+// Test that the filesystem is immediately ready for Creat() after mount returns
+func TestMountCreat(t *testing.T) {
+ const concurrency = 2
+ const repeat = 2
+
+ dir := test_helpers.InitFS(t)
+ mnt := dir + ".mnt"
+ err := os.Mkdir(mnt, 0700)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ for j := 0; j < repeat; j++ {
+ test_helpers.MountOrFatal(t, dir, mnt, "-extpass=echo test")
+ var wg sync.WaitGroup
+ wg.Add(concurrency)
+ for i := 0; i < concurrency; i++ {
+ go func(i int) {
+ path := fmt.Sprintf("%s/%d", mnt, i)
+ fd, err := syscall.Creat(path, 0600)
+ syscall.Close(fd)
+ if err != nil {
+ t.Errorf("Creat %q: %v", path, err)
+ }
+ wg.Done()
+ }(i)
+ }
+ wg.Wait()
+ test_helpers.UnmountPanic(mnt)
+ }
+}