1 files changed, 37 insertions, 0 deletions
diff --git a/tests/bugs/bug-1126048.c b/tests/bugs/bug-1126048.c
new file mode 100644
index 00000000000..2282bb2025e
--- /dev/null
+++ b/tests/bugs/bug-1126048.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+/*
+ * This function opens a file and to trigger migration failure, unlinks the
+ * file and performs graph switch (cmd passed in argv). If everything goes fine,
+ * fsync should fail without crashing the mount process.
+ */
+int
+main (int argc, char **argv)
+{
+        int ret = 0;
+        int fd = 0;
+        char    *cmd = argv[1];
+
+        printf ("cmd is: %s\n", cmd);
+        fd = open("a.txt", O_CREAT|O_RDWR);
+        if (fd < 0)
+                printf ("open failed: %s\n", strerror(errno));
+
+        ret = unlink("a.txt");
+        if (ret < 0)
+                printf ("unlink failed: %s\n", strerror(errno));
+        if (write (fd, "abc", 3) < 0)
+                printf ("Not able to print %s\n", strerror (errno));
+        system(cmd);
+        sleep(1); //No way to confirm graph switch so sleep 1
+        ret = fsync(fd);
+        if (ret < 0)
+                printf ("Not able to fsync %s\n", strerror (errno));
+        return 0;
+}