readahead: implement minimal readahead logic based on fanotify(), mincore() and readahead()

1 files changed, 33 insertions, 0 deletions

diff --git a/src/readahead-common.h b/src/readahead-common.h
new file mode 100644
index 0000000000..da6a74ea03
--- /dev/null
+++ b/src/readahead-common.h
@@ -0,0 +1,33 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef fooreadaheadcommonhfoo
+#define fooreadaheadcommonhfoo
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/stat.h>
+
+#define READAHEAD_FILE_SIZE_MAX (128*1024*1024)
+
+int file_verify(int fd, const char *fn, struct stat *st);
+
+int fs_on_ssd(const char *p);
+
+#endif