src/cf/linux-test1.m4

   1 AC_DEFUN([LINUX_INODE_SETATTR_RETURN_TYPE],[
   2 AC_MSG_CHECKING(for inode_setattr return type)
   3 save_CPPFLAGS="$CPPFLAGS"
   4 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -I${LINUX_KERNEL_PATH}/include/asm/mach-${SUBARCH} -D__KERNEL__ $CPPFLAGS"
   5 AC_CACHE_VAL(ac_cv_linux_func_inode_setattr_returns_int,
   6 [
   7 AC_TRY_COMPILE(
   8 [#include <linux/fs.h>],
   9 [struct inode _inode;
  10 struct iattr _iattr;
  11 int i;
  12 i = inode_setattr(&_inode, &_iattr);],
  13 ac_cv_linux_func_inode_setattr_returns_int=yes,
  14 ac_cv_linux_func_inode_setattr_returns_int=no)])
  15 AC_MSG_RESULT($ac_cv_linux_func_inode_setattr_returns_int)
  16 CPPFLAGS="$save_CPPFLAGS"])
  17
  18 AC_DEFUN([LINUX_WRITE_INODE_RETURN_TYPE],[
  19 AC_MSG_CHECKING(for write_inode return type)
  20 save_CPPFLAGS="$CPPFLAGS"
  21 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -I${LINUX_KERNEL_PATH}/include/asm/mach-${SUBARCH} -D__KERNEL__ $CPPFLAGS"
  22 AC_CACHE_VAL(ac_cv_linux_func_write_inode_returns_int,
  23 [
  24 AC_TRY_COMPILE(
  25 [#include <linux/fs.h>],
  26 [struct inode _inode;
  27 struct super_operations _sops;
  28 int i;
  29 i = _sops.write_inode(&_inode, 0);],
  30 ac_cv_linux_func_write_inode_returns_int=yes,
  31 ac_cv_linux_func_write_inode_returns_int=no)])
  32 AC_MSG_RESULT($ac_cv_linux_func_write_inode_returns_int)
  33 CPPFLAGS="$save_CPPFLAGS"])
  34
  35 AC_DEFUN([LINUX_IOP_NAMEIDATA],[
  36 save_CPPFLAGS="$CPPFLAGS"
  37 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -I${LINUX_KERNEL_PATH}/include/asm/mach-${SUBARCH} -D__KERNEL__ $CPPFLAGS"
  38 AC_MSG_CHECKING(whether inode_operations.create takes a nameidata)
  39 AC_CACHE_VAL(ac_cv_linux_func_i_create_takes_nameidata,
  40 [
  41 AC_TRY_COMPILE(
  42 [#include <linux/fs.h>
  43 #include <linux/namei.h>],
  44 [struct inode _inode;
  45 struct dentry _dentry;
  46 struct nameidata _nameidata;
  47 (void)_inode.i_op->create(&_inode, &_dentry, 0, &_nameidata);],
  48 ac_cv_linux_func_i_create_takes_nameidata=yes,
  49 ac_cv_linux_func_i_create_takes_nameidata=no)])
  50 AC_MSG_RESULT($ac_cv_linux_func_i_create_takes_nameidata)
  51 if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
  52 AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
  53 fi
  54 AC_MSG_CHECKING(whether inode_operations.lookup takes a nameidata)
  55 AC_CACHE_VAL(ac_cv_linux_func_i_lookup_takes_nameidata,
  56 [
  57 AC_TRY_COMPILE(
  58 [#include <linux/fs.h>
  59 #include <linux/namei.h>],
  60 [struct inode _inode;
  61 struct dentry _dentry;
  62 struct nameidata _nameidata;
  63 (void)_inode.i_op->lookup(&_inode, &_dentry, &_nameidata);],
  64 ac_cv_linux_func_i_lookup_takes_nameidata=yes,
  65 ac_cv_linux_func_i_lookup_takes_nameidata=no)])
  66 AC_MSG_RESULT($ac_cv_linux_func_i_lookup_takes_nameidata)
  67 if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
  68 AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
  69 fi
  70 AC_MSG_CHECKING(whether inode_operations.permission takes a nameidata)
  71 AC_CACHE_VAL(ac_cv_linux_func_i_permission_takes_nameidata,
  72 [
  73 AC_TRY_COMPILE(
  74 [#include <linux/fs.h>
  75 #include <linux/namei.h>],
  76 [struct inode _inode;
  77 struct nameidata _nameidata;
  78 (void)_inode.i_op->permission(&_inode, 0, &_nameidata);],
  79 ac_cv_linux_func_i_permission_takes_nameidata=yes,
  80 ac_cv_linux_func_i_permission_takes_nameidata=no)])
  81 AC_MSG_RESULT($ac_cv_linux_func_i_permission_takes_nameidata)
  82 if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
  83 AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
  84 fi
  85 AC_MSG_CHECKING(whether dentry_operations.d_revalidate takes a nameidata)
  86 CPPFLAGS="$CPPFLAGS -Werror"
  87 AC_CACHE_VAL(ac_cv_linux_func_d_revalidate_takes_nameidata,
  88 [
  89 AC_TRY_COMPILE(
  90 [#include <linux/fs.h>
  91 #include <linux/namei.h>],
  92 [struct dentry _dentry;
  93 struct nameidata _nameidata;
  94 (void)_dentry.d_op->d_revalidate(&_dentry, &_nameidata);],
  95 ac_cv_linux_func_d_revalidate_takes_nameidata=yes,
  96 ac_cv_linux_func_d_revalidate_takes_nameidata=no)])
  97 AC_MSG_RESULT($ac_cv_linux_func_d_revalidate_takes_nameidata)
  98 if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
  99   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
 100 fi
 101 CPPFLAGS="$save_CPPFLAGS"])
 102
 103 AC_DEFUN([LINUX_AOP_WRITEBACK_CONTROL],[
 104 save_CPPFLAGS="$CPPFLAGS"
 105 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -I${LINUX_KERNEL_PATH}/include/asm/mach-${SUBARCH} -D__KERNEL__ $CPPFLAGS"
 106 AC_MSG_CHECKING(whether address_space_operations.writepage takes a writeback_control)
 107 AC_CACHE_VAL(ac_cv_linux_func_a_writepage_takes_writeback_control,
 108 [
 109 AC_TRY_COMPILE(
 110 [#include <linux/fs.h>
 111 #include <linux/mm.h>
 112 #include <linux/writeback.h>],
 113 [struct address_space_operations _aops;
 114 struct page _page;
 115 struct writeback_control _writeback_control;
 116 (void)_aops.writepage(&_page, &_writeback_control);],
 117 ac_cv_linux_func_a_writepage_takes_writeback_control=yes,
 118 ac_cv_linux_func_a_writepage_takes_writeback_control=no)])
 119 AC_MSG_RESULT($ac_cv_linux_func_a_writepage_takes_writeback_control)
 120 if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
 121 AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
 122 fi
 123 CPPFLAGS="$save_CPPFLAGS"])