diff --git a/media/mtp/MtpFfsHandle.h b/media/mtp/MtpFfsHandle.h
index fe343f7..e552e03 100644
--- a/media/mtp/MtpFfsHandle.h
+++ b/media/mtp/MtpFfsHandle.h
@@ -17,6 +17,7 @@
 #ifndef _MTP_FFS_HANDLE_H
 #define _MTP_FFS_HANDLE_H
 
+#include <android-base/properties.h>
 #include <android-base/unique_fd.h>
 #include <linux/aio_abi.h>
 #include <mutex>
@@ -57,6 +58,7 @@
     static int getPacketSize(int ffs_fd);
 
     bool mCanceled;
+    bool mBatchCancel;
 
     android::base::unique_fd mControl;
     // "in" from the host's perspective => sink for mtp server
@@ -76,7 +78,8 @@
     int iobufSubmit(struct io_buffer *buf, int fd, unsigned length, bool read);
 
     // Cancel submitted requests from start to end in the given array. Return 0 or -1.
-    int cancelEvents(struct iocb **iocb, struct io_event *events, unsigned start, unsigned end);
+    int cancelEvents(struct iocb **iocb, struct io_event *events, unsigned start, unsigned end,
+		     bool is_batch_cancel);
 
     // Wait for at minimum the given number of events. Returns the amount of data in the returned
     // events. Increments counter by the number of events returned.