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dnl #
dnl # 2.6.35 API change,
dnl # The 'struct xattr_handler' was constified in the generic
dnl # super_block structure.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER],
[AC_MSG_CHECKING([whether super_block uses const struct xattr_hander])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/xattr.h>
const struct xattr_handler xattr_test_handler = {
.prefix = "test",
.get = NULL,
.set = NULL,
};
const struct xattr_handler *xattr_handlers[] = {
&xattr_test_handler,
};
],[
struct super_block sb;
sb.s_xattr = xattr_handlers;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_CONST_XATTR_HANDLER, 1,
[super_block uses const struct xattr_hander])
],[
AC_MSG_RESULT([no])
])
])
dnl #
dnl # 2.6.33 API change,
dnl # The xattr_hander->get() callback was changed to take a dentry
dnl # instead of an inode, and a handler_flags argument was added.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
AC_MSG_CHECKING([whether xattr_handler->get() wants dentry])
ZFS_LINUX_TRY_COMPILE([
#include <linux/xattr.h>
],[
int (*get)(struct dentry *dentry, const char *name,
void *buffer, size_t size, int handler_flags) = NULL;
struct xattr_handler xops;
xops.get = get;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DENTRY_XATTR_GET, 1,
[xattr_handler->get() wants dentry])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.33 API change,
dnl # The xattr_hander->set() callback was changed to take a dentry
dnl # instead of an inode, and a handler_flags argument was added.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
AC_MSG_CHECKING([whether xattr_handler->set() wants dentry])
ZFS_LINUX_TRY_COMPILE([
#include <linux/xattr.h>
],[
int (*set)(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags,
int handler_flags) = NULL;
struct xattr_handler xops;
xops.set = set;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DENTRY_XATTR_SET, 1,
[xattr_handler->set() wants dentry])
],[
AC_MSG_RESULT(no)
])
])
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