got working check for dirty ext2 filesystems

2 files changed, 30 insertions, 0 deletions

diff --git a/isys/isys.c b/isys/isys.c
index b4860329a..f5a47aad6 100644
--- a/isys/isys.c
+++ b/isys/isys.c
@@ -71,8 +71,10 @@ static PyObject * doSetResolvRetry(PyObject * s, PyObject * args);
 static PyObject * doLoadFont(PyObject * s, PyObject * args);
 static PyObject * doLoadKeymap(PyObject * s, PyObject * args);
 static PyObject * doReadE2fsLabel(PyObject * s, PyObject * args);
+static PyObject * doExt2Dirty(PyObject * s, PyObject * args);
 
 static PyMethodDef isysModuleMethods[] = {
+    { "e2dirty", (PyCFunction) doExt2Dirty, METH_VARARGS, NULL },
     { "e2fslabel", (PyCFunction) doReadE2fsLabel, METH_VARARGS, NULL },
     { "devSpaceFree", (PyCFunction) doDevSpaceFree, METH_VARARGS, NULL },
     { "raidstop", (PyCFunction) doRaidStop, METH_VARARGS, NULL },
@@ -1148,3 +1150,25 @@ static PyObject * doReadE2fsLabel(PyObject * s, PyObject * args) {
 
     return Py_BuildValue("s", buf); 
 }
+
+static PyObject * doExt2Dirty(PyObject * s, PyObject * args) {
+    char * device;
+    ext2_filsys fsys;
+    int rc;
+    int clean;
+
+    if (!PyArg_ParseTuple(args, "s", &device)) return NULL;
+
+    rc = ext2fs_open(device, EXT2_FLAG_FORCE, 0, 0, unix_io_manager,
+		     &fsys);
+    if (rc) {
+	Py_INCREF(Py_None);
+	return Py_None;
+    }
+
+    clean = fsys->super->s_state & EXT2_VALID_FS;
+
+    ext2fs_close(fsys);
+
+    return Py_BuildValue("i", !clean); 
+}
diff --git a/isys/isys.py b/isys/isys.py
index 02adedc95..65ee2a275 100644
--- a/isys/isys.py
+++ b/isys/isys.py
@@ -245,3 +245,9 @@ def readExt2Label(device):
     label = _isys.e2fslabel("/tmp/disk");
     os.unlink("/tmp/disk")
     return label
+
+def ext2IsDirty(device):
+    makeDevInode(device, "/tmp/disk")
+    label = _isys.e2dirty("/tmp/disk");
+    os.unlink("/tmp/disk")
+    return label