1 /* Provide kernel hint to read ahead.
2 Copyright (C) 2002-2022 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
__readahead(int fd,off64_t offset,size_t count)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)
31