Add write buffer for tar writes

update fuse to 2.9.2

catch return from unlink so that we don't print error messages when things work
Change-Id: I1115039a0fa5d9d73f78ef1abd79755d7ffd9d96
diff --git a/fuse/mount_util.h b/fuse/mount_util.h
index 5c2fb8e..f89c115 100644
--- a/fuse/mount_util.h
+++ b/fuse/mount_util.h
@@ -10,6 +10,7 @@
 
 int fuse_mnt_add_mount(const char *progname, const char *fsname,
 		       const char *mnt, const char *type, const char *opts);
+int fuse_mnt_remove_mount(const char *progname, const char *mnt);
 int fuse_mnt_umount(const char *progname, const char *abs_mnt,
 		    const char *rel_mnt, int lazy);
 char *fuse_mnt_resolve_path(const char *progname, const char *orig);