fuse: convert fuse_force_forget() to simple api

Move this function to the readdir.c where its only caller resides.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/fuse/dev.c

@@ -661,27 +661,6 @@ static int fuse_request_send_notify_reply(struct fuse_conn *fc,
 	return err;
 }
 
-void fuse_force_forget(struct file *file, u64 nodeid)
-{
-	struct inode *inode = file_inode(file);
-	struct fuse_conn *fc = get_fuse_conn(inode);
-	struct fuse_req *req;
-	struct fuse_forget_in inarg;
-
-	memset(&inarg, 0, sizeof(inarg));
-	inarg.nlookup = 1;
-	req = fuse_get_req_nofail_nopages(fc);
-	req->in.h.opcode = FUSE_FORGET;
-	req->in.h.nodeid = nodeid;
-	req->in.numargs = 1;
-	req->in.args[0].size = sizeof(inarg);
-	req->in.args[0].value = &inarg;
-	__clear_bit(FR_ISREPLY, &req->flags);
-	__fuse_request_send(fc, req);
-	/* ignore errors */
-	fuse_put_request(fc, req);
-}
-
 /*
  * Lock the request.  Up to the next unlock_request() there mustn't be
  * anything that could cause a page-fault.  If the request was already

fs/fuse/fuse_i.h

@@ -813,9 +813,6 @@ void fuse_queue_forget(struct fuse_conn *fc, struct fuse_forget_link *forget,
 
 struct fuse_forget_link *fuse_alloc_forget(void);
 
-/* Used by READDIRPLUS */
-void fuse_force_forget(struct file *file, u64 nodeid);
-
 /**
  * Initialize READ or READDIR request
  */

fs/fuse/readdir.c

@@ -249,6 +249,27 @@ static int fuse_direntplus_link(struct file *file,
 	return 0;
 }
 
+static void fuse_force_forget(struct file *file, u64 nodeid)
+{
+	struct inode *inode = file_inode(file);
+	struct fuse_conn *fc = get_fuse_conn(inode);
+	struct fuse_forget_in inarg;
+	FUSE_ARGS(args);
+
+	memset(&inarg, 0, sizeof(inarg));
+	inarg.nlookup = 1;
+	args.opcode = FUSE_FORGET;
+	args.nodeid = nodeid;
+	args.in_numargs = 1;
+	args.in_args[0].size = sizeof(inarg);
+	args.in_args[0].value = &inarg;
+	args.force = true;
+	args.noreply = true;
+
+	fuse_simple_request(fc, &args);
+	/* ignore errors */
+}
+
 static int parse_dirplusfile(char *buf, size_t nbytes, struct file *file,
 			     struct dir_context *ctx, u64 attr_version)
 {