src/java.base/unix/native/libjava/FileInputStream_md.c

*** 35,48 ****
--- 35,69 ----
  #include "io_util_md.h"
  
  #include "java_io_FileInputStream.h"
  
  extern jfieldID fis_fd; /* id for jobject 'fd' in java.io.FileInputStream */
+ extern jfieldID fis_pgsz; /* id for jobject 'pageSize' in java.io.FileInputStream */
  
  /*********************************************************************
   * Platform specific implementation of input stream native methods
   */
  
  JNIEXPORT void JNICALL
+ Java_java_io_FileInputStream_open0(JNIEnv *env, jobject this, jstring path, jboolean direct) {
+     if (direct) {
+         fileOpen(env, this, path, fis_fd, O_RDONLY | O_DIRECT);
+     } else {
+         fileOpen(env, this, path, fis_fd, O_RDONLY);
+     }
+ }
+ 
+ JNIEXPORT void JNICALL
  Java_java_io_FileInputStream_close0(JNIEnv *env, jobject this) {
      fileClose(env, this, fis_fd);
  }
+ 
+ JNIEXPORT jint JNICALL
+ Java_java_io_FileInputStream_readBytesD(JNIEnv *env, jobject this,
+         jbyteArray bytes, jint off, jint len) {
+     return readBytesD(env, this, bytes, off, len, fis_fd, fis_pgsz);
+ }
+ 
+ JNIEXPORT jint JNICALL
+ Java_java_io_FileInputStream_getPageSize0(JNIEnv *env, jobject this) {
+     return getpagesize();
+ }