Removed range read optimization as it doesn't work with libeio.

lib/fs.js

@@ -643,7 +643,7 @@ var ReadStream = fs.ReadStream = function(path, options) {
     } else if (this.start > this.end) {
       this.emit('error', new Error('start must be <= end'));
     } else {
-      this.firstRead = true;
+      this._firstRead = true;
     }
   }
 
@@ -684,8 +684,9 @@ ReadStream.prototype._read = function () {
     allocNewPool();
   }
 
-  if (self.start !== undefined && self.firstRead) {
+  if (self.start !== undefined && self._firstRead) {
     self.pos = self.start;
+    self._firstRead = false;
   }
 
   // Grab another reference to the pool in the case that while we're in the
@@ -731,10 +732,7 @@ ReadStream.prototype._read = function () {
     self._read();
   }
 
-  // pass null for position after we've seeked to the start of a range read
-  // always pass null on a non-range read
-  fs.read(self.fd, pool, pool.used, toRead, (self.firstRead ? self.pos : null), afterRead);
-  self.firstRead = false;
+  fs.read(self.fd, pool, pool.used, toRead, self.pos, afterRead);
 
   if (self.pos !== undefined) {
     self.pos += toRead;

test/simple/test-fs-read-stream.js

@@ -87,13 +87,13 @@ process.addListener('exit', function() {
   assert.equal(10000, file3.length);
 });
 
-var file4 = fs.createReadStream(rangeFile, {start: 1, end: 2});
+var file4 = fs.createReadStream(rangeFile, {bufferSize: 1, start: 1, end: 2});
 var contentRead = '';
 file4.addListener('data', function(data) {
-	contentRead += data.toString('utf-8');
+  contentRead += data.toString('utf-8');
 });
 file4.addListener('end', function(data) {
-	assert.equal(contentRead, 'yz');
+  assert.equal(contentRead, 'yz');
 });
 
 try {