From 36809c700754378a3a11ebd6e7033a3f15405288 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Sun, 17 Jan 2010 21:56:24 +0000
Subject: [PATCH] improve linux fiemap support

---
 configure.ac | 3 +++
 src/file.cpp | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6a2fa2400..df162ed8a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -559,6 +559,9 @@ AS_CASE(["$ARG_WITH_ZLIB"],
    AC_MSG_ERROR([Unknown option "$ARG_WITH_ZLIB". Use either "yes" or "no".])]
 )
 
+AC_MSG_CHECKING([for FIEMAP support])
+AC_CHECK_HEADERS([linux/fiemap.h])
+
 AC_MSG_CHECKING([whether to link against system libgeoip]) #depends: $ac_arg_enable_geoip
 AS_CASE(["$ARG_WITH_LIBGEOIP"],
   ["yes"|"system"], [
diff --git a/src/file.cpp b/src/file.cpp
index ec01be3fa..ed5533bc3 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -72,7 +72,7 @@ POSSIBILITY OF SUCH DAMAGE.
 // linux specifics
 
 #include <sys/ioctl.h>
-#ifdef FS_IOC_FIEMAP
+#ifdef HAVE_LINUX_FIEMAP_H
 #include <linux/fiemap.h>
 #endif