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dnl #
dnl # Check if posix_acl_release can be used from a CDDL module,
dnl # The is_owner_or_cap macro was replaced by
dnl # inode_owner_or_capable
dnl #
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_RELEASE], [
AC_MSG_CHECKING([whether posix_acl_release() is available])
ZFS_LINUX_TRY_COMPILE([
#include <linux/cred.h>
#include <linux/fs.h>
#include <linux/posix_acl.h>
],[
struct posix_acl* tmp = posix_acl_alloc(1, 0);
posix_acl_release(tmp);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_RELEASE, 1,
[posix_acl_release() is available])
],[
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([whether posix_acl_release() is GPL-only])
ZFS_LINUX_TRY_COMPILE([
#include <linux/cred.h>
#include <linux/fs.h>
#include <linux/posix_acl.h>
MODULE_LICENSE("CDDL");
],[
struct posix_acl* tmp = posix_acl_alloc(1, 0);
posix_acl_release(tmp);
],[
AC_MSG_RESULT(no)
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_RELEASE_GPL_ONLY, 1,
[posix_acl_release() is GPL-only])
])
])
dnl #
dnl # 3.1 API change,
dnl # posix_acl_chmod_masq() is not exported anymore and posix_acl_chmod()
dnl # was introduced to replace it.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CHMOD], [
AC_MSG_CHECKING([whether posix_acl_chmod exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/posix_acl.h>
],[
posix_acl_chmod(NULL, 0, 0)
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_CHMOD, 1, [posix_acl_chmod() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.30 API change,
dnl # caching of ACL into the inode was added in this version.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CACHING], [
AC_MSG_CHECKING([whether inode has i_acl and i_default_acl])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode ino;
ino.i_acl = NULL;
ino.i_default_acl = NULL;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_CACHING, 1,
[inode contains i_acl and i_default_acl])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 3.1 API change,
dnl # posix_acl_equiv_mode now wants an umode_t* instead of a mode_t*
dnl #
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T], [
AC_MSG_CHECKING([whether posix_acl_equiv_mode() wants umode_t])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/posix_acl.h>
],[
umode_t tmp;
posix_acl_equiv_mode(NULL,&tmp);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T, 1,
[ posix_acl_equiv_mode wants umode_t*])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.27 API change,
dnl # Check if inode_operations contains the function permission
dnl # and expects the nameidata structure to have been removed.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION], [
AC_MSG_CHECKING([whether iops->permission() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
int permission_fn(struct inode *inode, int mask) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.permission = permission_fn,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PERMISSION, 1, [iops->permission() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.26 API change,
dnl # Check if inode_operations contains the function permission
dnl # and expects the nameidata structure to be passed.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA], [
AC_MSG_CHECKING([whether iops->permission() wants nameidata])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
int permission_fn(struct inode *inode, int mask,
struct nameidata *nd) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.permission = permission_fn,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PERMISSION, 1, [iops->permission() exists])
AC_DEFINE(HAVE_PERMISSION_WITH_NAMEIDATA, 1,
[iops->permission() with nameidata exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.32 API change,
dnl # Check if inode_operations contains the function check_acl
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL], [
AC_MSG_CHECKING([whether iops->check_acl() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
int check_acl_fn(struct inode *inode, int mask) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.check_acl = check_acl_fn,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CHECK_ACL, 1, [iops->check_acl() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.38 API change,
dnl # The function check_acl gained a new parameter: flags
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS], [
AC_MSG_CHECKING([whether iops->check_acl() wants flags])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
int check_acl_fn(struct inode *inode, int mask,
unsigned int flags) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.check_acl = check_acl_fn,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CHECK_ACL, 1, [iops->check_acl() exists])
AC_DEFINE(HAVE_CHECK_ACL_WITH_FLAGS, 1,
[iops->check_acl() wants flags])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 3.1 API change,
dnl # Check if inode_operations contains the function get_acl
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL], [
AC_MSG_CHECKING([whether iops->get_acl() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
struct posix_acl *get_acl_fn(struct inode *inode, int type)
{ return NULL; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.get_acl = get_acl_fn,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GET_ACL, 1, [iops->get_acl() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.30 API change,
dnl # current_umask exists only since this version.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_CURRENT_UMASK], [
AC_MSG_CHECKING([whether current_umask exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
current_umask();
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CURRENT_UMASK, 1, [current_umask() exists])
],[
AC_MSG_RESULT(no)
])
])
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