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-rw-r--r--config/kernel-truncate-setsize.m420
1 files changed, 13 insertions, 7 deletions
diff --git a/config/kernel-truncate-setsize.m4 b/config/kernel-truncate-setsize.m4
index d8b2b47bd..7e4aff479 100644
--- a/config/kernel-truncate-setsize.m4
+++ b/config/kernel-truncate-setsize.m4
@@ -2,11 +2,17 @@ dnl #
dnl # 2.6.35 API change
dnl # Added truncate_setsize() helper function.
dnl #
-AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE], [
- ZFS_CHECK_SYMBOL_EXPORT(
- [truncate_setsize],
- [mm/truncate.c],
- [AC_DEFINE(HAVE_TRUNCATE_SETSIZE, 1,
- [truncate_setsize() is available])],
- [])
+AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE],
+ [AC_MSG_CHECKING([whether truncate_setsize() is available])
+ ZFS_LINUX_TRY_COMPILE_SYMBOL([
+ #include <linux/mm.h>
+ ], [
+ truncate_setsize(NULL, 0);
+ ], [truncate_setsize], [mm/truncate.c], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_TRUNCATE_SETSIZE, 1,
+ [truncate_setsize() is available])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
])