removing check_user_xattr function

This function is no longer used, the code that called
this function was removed as part of this patch:
http://review.gluster.com/#/c/3390/

Change-Id: I6e81e4b763ce302289e2be5467dc4776f0750c15
Signed-off-by: Thiago da Silva <thiago@redhat.com>
Reviewed-on: http://review.gluster.org/7336
Reviewed-by: Luis Pabon <lpabon@redhat.com>
Tested-by: Luis Pabon <lpabon@redhat.com>

gluster/swift/common/utils.py

@@ -168,24 +168,6 @@ def clean_metadata(path_or_fd):
         key += 1
 
 
-def check_user_xattr(path):
-    if not os_path.exists(path):
-        return False
-    try:
-        xattr.setxattr(path, 'user.test.key1', 'value1')
-    except IOError as err:
-        raise GlusterFileSystemIOError(
-            err.errno,
-            'xattr.setxattr("%s", "user.test.key1", "value1")' % (path,))
-    try:
-        xattr.removexattr(path, 'user.test.key1')
-    except IOError as err:
-        logging.exception("check_user_xattr: remove failed on %s err: %s",
-                          path, str(err))
-        #Remove xattr may fail in case of concurrent remove.
-    return True
-
-
 def validate_container(metadata):
     if not metadata:
         logging.warn('validate_container: No metadata')

test/unit/common/test_utils.py

@@ -630,40 +630,6 @@ class TestUtils(unittest.TestCase):
             os.chdir(orig_cwd)
             shutil.rmtree(td)
 
-    def test_check_user_xattr_bad_path(self):
-        assert False == utils.check_user_xattr("/tmp/foo/bar/check/user/xattr")
-
-    def test_check_user_xattr_bad_set(self):
-        td = tempfile.mkdtemp()
-        xkey = _xkey(td, 'user.test.key1')
-        _xattr_set_err[xkey] = errno.EOPNOTSUPP
-        try:
-            assert False == utils.check_user_xattr(td)
-        except IOError:
-            pass
-        else:
-            self.fail("Expected IOError")
-        finally:
-            shutil.rmtree(td)
-
-    def test_check_user_xattr_bad_remove(self):
-        td = tempfile.mkdtemp()
-        xkey = _xkey(td, 'user.test.key1')
-        _xattr_rem_err[xkey] = errno.EOPNOTSUPP
-        try:
-            utils.check_user_xattr(td)
-        except IOError:
-            self.fail("Unexpected IOError")
-        finally:
-            shutil.rmtree(td)
-
-    def test_check_user_xattr(self):
-        td = tempfile.mkdtemp()
-        try:
-            assert utils.check_user_xattr(td)
-        finally:
-            shutil.rmtree(td)
-
     def test_validate_container_empty(self):
         ret = utils.validate_container({})
         assert not ret