---

yaml
---
r: 310479
b: refs/heads/master
c: 519c604
h: refs/heads/master
i:
  310477: 3543d1d
  310475: f6a82b9
  310471: e7d1e91
  310463: 8771150
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 05ba1f0823004e947748523782e9c2f07f3bff0d
+refs/heads/master: 519c6040ce04474bc893774f866fd8d907b20429

trunk/fs/fuse/file.c

@@ -2185,6 +2185,9 @@ long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 	};
 	int err;
 
+	if (fc->no_fallocate)
+		return -EOPNOTSUPP;
+
 	req = fuse_get_req(fc);
 	if (IS_ERR(req))
 		return PTR_ERR(req);
@@ -2196,6 +2199,10 @@ long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 	req->in.args[0].value = &inarg;
 	fuse_request_send(fc, req);
 	err = req->out.h.error;
+	if (err == -ENOSYS) {
+		fc->no_fallocate = 1;
+		err = -EOPNOTSUPP;
+	}
 	fuse_put_request(fc, req);
 
 	return err;

trunk/fs/fuse/fuse_i.h

@@ -478,6 +478,9 @@ struct fuse_conn {
 	/** Are BSD file locking primitives not implemented by fs? */
 	unsigned no_flock:1;
 
+	/** Is fallocate not implemented by fs? */
+	unsigned no_fallocate:1;
+
 	/** The number of requests waiting for completion */
 	atomic_t num_waiting;