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dnl #
dnl # 2.6.33 API change
dnl # Added eops->commit_metadata() callback to allow the underlying
dnl # filesystem to determine the most efficient way to commit the inode.
dnl # Prior to this the nfs server would issue an explicit fsync().
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_COMMIT_METADATA], [
ZFS_LINUX_TEST_SRC([export_operations_commit_metadata], [
#include <linux/exportfs.h>
int commit_metadata(struct inode *inode) { return 0; }
static struct export_operations eops __attribute__ ((unused))={
.commit_metadata = commit_metadata,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_COMMIT_METADATA], [
AC_MSG_CHECKING([whether eops->commit_metadata() exists])
ZFS_LINUX_TEST_RESULT([export_operations_commit_metadata], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_COMMIT_METADATA, 1,
[eops->commit_metadata() exists])
],[
AC_MSG_RESULT(no)
])
])
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