mirror_zfs/config/kernel-truncate-range.m4

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dnl #
dnl # 3.5 API change,
dnl # inode_operations.truncate_range removed
dnl #
AC_DEFUN([SPL_AC_INODE_TRUNCATE_RANGE], [
AC_MSG_CHECKING([whether truncate_range() inode operation is available])
SPL_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode_operations ops;
ops.truncate_range = NULL;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1,
[truncate_range() inode operation is available])
],[
AC_MSG_RESULT(no)
])
])