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dnl #
dnl # 4.2 API change
dnl # This kernel retired the nameidata structure which forced the
dnl # restructuring of the put_link() prototype and how it is called.
dnl # We check for the new interface rather than detecting the old one.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_PUT_LINK], [
AC_MSG_CHECKING([whether iops->put_link() passes nameidata])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
void put_link(struct inode *ip, void *cookie) { return; }
static struct inode_operations iops __attribute__ ((unused)) = {
.put_link = put_link,
};
],[
],[
AC_MSG_RESULT(no)
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PUT_LINK_NAMEIDATA, 1,
[iops->put_link() nameidata])
])
])
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