LINUX_KERNEL_LINUX_SYSCALL_H
LINUX_KERNEL_SELINUX
LINUX_KERNEL_SOCK_CREATE
+ LINUX_KERNEL_PAGE_FOLLOW_LINK
LINUX_NEED_RHCONFIG
LINUX_RECALC_SIGPENDING_ARG_TYPE
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
fi
+ if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
+ AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
+ fi
if test "x$ac_linux_syscall" = "xyes" ; then
AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
fi
struct inode_operations afs_symlink_iops = {
#if defined(AFS_LINUX24_ENV)
.readlink = page_readlink,
+#if defined(HAVE_KERNEL_PAGE_FOLLOW_LINK)
.follow_link = page_follow_link,
+#else
+ .follow_link = page_follow_link_light,
+#endif
.setattr = afs_notify_change,
#else
.readlink = afs_linux_readlink,
AC_MSG_RESULT($ac_cv_linux_kernel_sock_create_v)
CPPFLAGS="$save_CPPFLAGS"])
+AC_DEFUN([LINUX_KERNEL_PAGE_FOLLOW_LINK],[
+AC_MSG_CHECKING(for page_follow_link_light vs page_follow_link)
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -Werror-implicit-function-declaration -D__KERNEL__ $CPPFLAGS"
+AC_CACHE_VAL(ac_cv_linux_kernel_page_follow_link,
+[
+AC_TRY_COMPILE(
+ [#include <linux/fs.h>],
+ [
+ page_follow_link(0,0)
+ ],
+ ac_cv_linux_kernel_page_follow_link=yes,
+ ac_cv_linux_kernel_page_follow_link=no)])
+AC_MSG_RESULT($ac_cv_linux_kernel_page_follow_link)
+CPPFLAGS="$save_CPPFLAGS"])