/usr/src/zfs-0.6.5.6/config/kernel-d-prune-aliases.m4 is in zfs-dkms 0.6.5.6-0ubuntu8.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | dnl #
dnl # 2.6.12 API change
dnl # d_prune_aliases() helper function available.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_D_PRUNE_ALIASES],
[AC_MSG_CHECKING([whether d_prune_aliases() is available])
ZFS_LINUX_TRY_COMPILE_SYMBOL([
#include <linux/dcache.h>
], [
struct inode *ip = NULL;
d_prune_aliases(ip);
], [d_prune_aliases], [fs/dcache.c], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_D_PRUNE_ALIASES, 1,
[d_prune_aliases() is available])
], [
AC_MSG_RESULT(no)
])
])
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