ac_cv_linux_fs_struct_inode_has_i_blksize=no)])
AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_blksize)])
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS], [
+ AC_MSG_CHECKING([for i_blkbits in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_blkbits], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_blkbits);],
+ ac_cv_linux_fs_struct_inode_has_i_blkbits=yes,
+ ac_cv_linux_fs_struct_inode_has_i_blkbits=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_blkbits)
+ if test "x$ac_cv_linux_fs_struct_inode_has_i_blkbits" = "xyes"; then
+ AC_DEFINE(STRUCT_INODE_HAS_I_BLKBITS, 1, [define if your struct inode has i_blkbits])
+ fi])
+
+
AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_CDEV], [
AC_MSG_CHECKING([for i_cdev in struct inode])
AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_cdev], [
ac_cv_linux_get_sb_has_struct_vfsmount=no)])
AC_MSG_RESULT($ac_cv_linux_get_sb_has_struct_vfsmount)])
+AC_DEFUN([LINUX_STATFS_TAKES_DENTRY], [
+ AC_MSG_CHECKING([for dentry in statfs])
+ AC_CACHE_VAL([ac_cv_linux_statfs_takes_dentry], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/statfs.h>],
+[
+extern int vfs_statfs(struct dentry *, struct kstatfs *);
+],
+ ac_cv_linux_statfs_takes_dentry=yes,
+ ac_cv_linux_statfs_takes_dentry=no)])
+ AC_MSG_RESULT($ac_cv_linux_statfs_takes_dentry)])
+
AC_DEFUN([LINUX_LINUX_KEYRING_SUPPORT], [
AC_MSG_CHECKING([for linux kernel keyring support])
AC_CACHE_VAL([ac_cv_linux_keyring_support], [
AC_DEFINE([GENERIC_FILE_AIO_READ], 1, [define if your kernel has generic_file_aio_read()])
fi])
+AC_DEFUN([LINUX_FREEZER_H_EXISTS], [
+ AC_MSG_CHECKING([for linux/freezer.h existance])
+ AC_CACHE_VAL([ac_cv_linux_freezer_h_exists], [
+ save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
+ AC_TRY_KBUILD(
+[#include <linux/freezer.h>],
+[return;],
+ ac_cv_linux_freezer_h_exists=yes,
+ ac_cv_linux_freezer_h_exists=no)])
+ AC_MSG_RESULT($ac_cv_linux_freezer_h_exists)
+ if test "x$ac_cv_linux_freezer_h_exists" = "xyes"; then
+ AC_DEFINE([FREEZER_H_EXISTS], 1, [define if linux/freezer.h exists])
+ fi])
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO], [
+ AC_MSG_CHECKING([for todo in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_todo], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.todo);],
+ ac_cv_linux_sched_struct_task_struct_has_todo=yes,
+ ac_cv_linux_sched_struct_task_struct_has_todo=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_todo)])
+
+AC_DEFUN([LINUX_INIT_WORK_HAS_DATA], [
+ AC_MSG_CHECKING([whether INIT_WORK has a _data argument])
+ AC_CACHE_VAL([ac_cv_linux_init_work_has_data], [
+ AC_TRY_KBUILD(
+[#include <linux/workqueue.h>],
+[
+void f(struct work_struct *w) {}
+struct work_struct *w;
+int *i;
+INIT_WORK(w,f,i);],
+ ac_cv_linux_init_work_has_data=yes,
+ ac_cv_linux_init_work_has_data=no)])
+ AC_MSG_RESULT($ac_cv_linux_init_work_has_data)])
+