88 lines
2 KiB
Text
88 lines
2 KiB
Text
dnl #
|
|
dnl # 3.6 API change
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [
|
|
AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/dcache.h>
|
|
#include <linux/sched.h>
|
|
|
|
int revalidate (struct dentry *dentry,
|
|
struct nameidata *nidata) { return 0; }
|
|
|
|
static const struct dentry_operations
|
|
dops __attribute__ ((unused)) = {
|
|
.d_revalidate = revalidate,
|
|
};
|
|
],[
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1,
|
|
[dops->d_revalidate() operation takes nameidata])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.30 API change
|
|
dnl # The 'struct dentry_operations' was constified in the dentry structure.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS], [
|
|
AC_MSG_CHECKING([whether dentry uses const struct dentry_operations])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/dcache.h>
|
|
|
|
const struct dentry_operations test_d_op = {
|
|
.d_revalidate = NULL,
|
|
};
|
|
],[
|
|
struct dentry d __attribute__ ((unused));
|
|
|
|
d.d_op = &test_d_op;
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_CONST_DENTRY_OPERATIONS, 1,
|
|
[dentry uses const struct dentry_operations])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.38 API change
|
|
dnl # Added d_set_d_op() helper function.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP],
|
|
[AC_MSG_CHECKING([whether d_set_d_op() is available])
|
|
ZFS_LINUX_TRY_COMPILE_SYMBOL([
|
|
#include <linux/dcache.h>
|
|
], [
|
|
d_set_d_op(NULL, NULL);
|
|
], [d_set_d_op], [fs/dcache.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_SET_D_OP, 1,
|
|
[d_set_d_op() is available])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.38 API chage
|
|
dnl # Added sb->s_d_op default dentry_operations member
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_S_D_OP],
|
|
[AC_MSG_CHECKING([whether super_block has s_d_op])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/fs.h>
|
|
],[
|
|
struct super_block sb __attribute__ ((unused));
|
|
sb.s_d_op = NULL;
|
|
], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|