X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=9db29b99aec583c7be6b22def918107bcb4d934b;hp=a01155ff9320b66051e465d6809aaa14b792e654;hb=de117c122a4328102305eb6dbe57ad22c1b1eba8;hpb=53892fe9e3770882fd8f53f1a8a392d875175b4b

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index a01155f..9db29b9 100644
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -2888,6 +2888,57 @@ int yaffs_sync(const YCHAR *path)
 	return yaffs_sync_common(NULL, path);
 }
 
+
+static int yaffsfs_bg_gc_common(struct yaffs_dev *dev,
+				const YCHAR *path,
+				int urgency)
+{
+	int retVal = -1;
+	YCHAR *dummy;
+
+	if (!dev) {
+		if (yaffsfs_CheckMemRegion(path, 0, 0) < 0) {
+			yaffsfs_SetError(-EFAULT);
+			return -1;
+		}
+
+		if (yaffsfs_CheckPath(path) < 0) {
+			yaffsfs_SetError(-ENAMETOOLONG);
+			return -1;
+		}
+	}
+
+	yaffsfs_Lock();
+	if (!dev)
+		dev = yaffsfs_FindDevice(path, &dummy);
+
+	if (dev) {
+		if (!dev->is_mounted)
+			yaffsfs_SetError(-EINVAL);
+		else
+			retVal = yaffs_bg_gc(dev, urgency);
+	} else
+		yaffsfs_SetError(-ENODEV);
+
+	yaffsfs_Unlock();
+	return retVal;
+}
+
+/* Background gc functions.
+ * These return 0 when bg done or greater than 0 when gc has been
+ * done and there is still a lot of garbage to be cleaned up.
+ */
+
+int yaffs_do_background_gc(const YCHAR *path, int urgency)
+{
+	return yaffsfs_bg_gc_common(NULL, path, urgency);
+}
+
+int yaffs_do_background_gc_reldev(struct yaffs_dev *dev, int urgency)
+{
+	return yaffsfs_bg_gc_common(dev, NULL, urgency);
+}
+
 static int yaffsfs_IsDevBusy(struct yaffs_dev *dev)
 {
 	int i;