From 95769abf316a42f4d5b86692de9076638d2f5c5d Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Sun, 28 Feb 2021 23:02:45 +0800
Subject: [PATCH] DocumentsProvider: unmount before new mount

---
 src/main/java/org/safcephfs/CephFSDocumentsProvider.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/org/safcephfs/CephFSDocumentsProvider.java b/src/main/java/org/safcephfs/CephFSDocumentsProvider.java
index 708fc36..36ad21a 100644
--- a/src/main/java/org/safcephfs/CephFSDocumentsProvider.java
+++ b/src/main/java/org/safcephfs/CephFSDocumentsProvider.java
@@ -341,6 +341,9 @@ public class CephFSDocumentsProvider extends DocumentsProvider {
 	public Cursor queryRoots(String[] projection)
 			throws FileNotFoundException {
 		MatrixCursor result = new MatrixCursor(projection != null ? projection : DEFAULT_ROOT_PROJECTION);
+		if (cm != null) {
+			cm.unmount();
+		}
 		if (!setupCeph()) {
 			return result;
 		}
-- 
2.43.0