mirror_zfs/config/kernel-evict-inode.m4
Brian Behlendorf 2c395def27 Linux 2.6.36 compat, sops->evict_inode()
The new prefered inteface for evicting an inode from the inode cache
is the ->evict_inode() callback.  It replaces both the ->delete_inode()
and ->clear_inode() callbacks which were previously used for this.
2011-02-11 13:47:51 -08:00

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dnl #
dnl # 2.6.36 API change
dnl # The sops->delete_inode() and sops->clear_inode() callbacks have
dnl # replaced by a single sops->evict_inode() callback.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_EVICT_INODE], [
AC_MSG_CHECKING([whether sops->evict_inode() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
void (*evict_inode) (struct inode *) = NULL;
struct super_operations sops;
sops.evict_inode = evict_inode;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_EVICT_INODE, 1, [sops->evict_inode() exists])
],[
AC_MSG_RESULT(no)
])
])