1  /* Provide kernel hint to read ahead.
       2     Copyright (C) 2002-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <fcntl.h>
      20  #include <sys/types.h>
      21  #include <sysdep.h>
      22  
      23  ssize_t
      24  __readahead (int fd, off64_t offset, size_t count)
      25  {
      26    return INLINE_SYSCALL_CALL (readahead, fd,
      27  			      __ALIGNMENT_ARG SYSCALL_LL64 (offset),
      28  			      count);
      29  }
      30  weak_alias (__readahead, readahead)