From d59d0a2b4b41a75eaf618b26b8f8bd1e17de7e2b Mon Sep 17 00:00:00 2001
From: cee1 <fykcee1@gmail.com>
Date: Thu, 17 Mar 2011 10:13:01 +0800
Subject: [PATCH] read-ahead: Fix broken systemd-readahead-collect on mips.

This actually adjust the __NR_fanotify* system call numbers to proper
ones on mips(according userspace ABI).
---
 configure.ac  |  3 +++
 src/missing.h | 51 +++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index cae2dce3..8a28c8e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,9 @@ AC_SUBST(PACKAGE_URL, [http://www.freedesktop.org/wiki/Software/systemd])
 
 AC_CANONICAL_HOST
 AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])
+AS_IF([test "x$host_cpu" = "xmips" || test "x$host_cpu" = "xmipsel" ||
+       test "x$host_cpu" = "xmips64" || test "x$host_cpu" = "xmips64el"],
+      [AC_DEFINE(ARCH_MIPS, [], [Whether on mips arch])])
 
 AM_SILENT_RULES([yes])
 
diff --git a/src/missing.h b/src/missing.h
index c0cb3eae..35e209fb 100644
--- a/src/missing.h
+++ b/src/missing.h
@@ -36,6 +36,10 @@
 
 #include "macro.h"
 
+#ifdef ARCH_MIPS
+#include <asm/sgidefs.h>
+#endif
+
 #ifndef RLIMIT_RTTIME
 #define RLIMIT_RTTIME 15
 #endif
@@ -77,19 +81,42 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 }
 
 #ifdef __x86_64__
-#ifndef __NR_fanotify_init
-#define __NR_fanotify_init 300
-#endif
-#ifndef __NR_fanotify_mark
-#define __NR_fanotify_mark 301
-#endif
+#  ifndef __NR_fanotify_init
+#    define __NR_fanotify_init 300
+#  endif
+#  ifndef __NR_fanotify_mark
+#    define __NR_fanotify_mark 301
+#  endif
+#elif defined _MIPS_SIM
+#  if _MIPS_SIM == _MIPS_SIM_ABI32
+#    ifndef __NR_fanotify_init
+#      define __NR_fanotify_init 4336
+#    endif
+#    ifndef __NR_fanotify_mark
+#      define __NR_fanotify_mark 4337
+#    endif
+#  elif _MIPS_SIM == _MIPS_SIM_NABI32
+#    ifndef __NR_fanotify_init
+#      define __NR_fanotify_init 6300
+#    endif
+#    ifndef __NR_fanotify_mark
+#      define __NR_fanotify_mark 6301
+#    endif
+#  elif _MIPS_SIM == _MIPS_SIM_ABI64
+#    ifndef __NR_fanotify_init
+#      define __NR_fanotify_init 5295
+#    endif
+#    ifndef __NR_fanotify_mark
+#      define __NR_fanotify_mark 5296
+#    endif
+#  endif
 #else
-#ifndef __NR_fanotify_init
-#define __NR_fanotify_init 338
-#endif
-#ifndef __NR_fanotify_mark
-#define __NR_fanotify_mark 339
-#endif
+#  ifndef __NR_fanotify_init
+#    define __NR_fanotify_init 338
+#  endif
+#  ifndef __NR_fanotify_mark
+#    define __NR_fanotify_mark 339
+#  endif
 #endif
 
 static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
-- 
2.39.5