AC_DEFINE(HAVE_SPA_MAXBLOCKSIZE, 1,
[Have spa_maxblocksize in ZFS])
])
+
dnl #
dnl # ZFS 0.7.x adds support for large dnodes. This
dnl # allows Lustre to optionally specify the size of a
AC_DEFINE(HAVE_DMU_OBJECT_ALLOC_DNSIZE, 1,
[Have dmu_object_alloc_dnsize in ZFS])
])
+
+ dnl #
+ dnl # ZFS 0.7.x extended dmu_prefetch() to take an additional
+ dnl # 'level' and 'priority' argument. Use a level of 0 and a
+ dnl # priority of ZIO_PRIORITY_SYNC_READ to replicate the
+ dnl # behavior of the four argument version.
+ dnl #
+ LB_CHECK_COMPILE([if ZFS has 'dmu_prefetch' with 6 args],
+ dmu_prefetch, [
+ #include <sys/dmu.h>
+ ],[
+ objset_t *os = NULL;
+ uint64_t object = 0;
+ int64_t level = 0;
+ uint64_t offset = 0;
+ uint64_t len = 0;
+ enum zio_priority pri = ZIO_PRIORITY_SYNC_READ;
+
+ dmu_prefetch(os, object, level, offset, len, pri);
+ ],[
+ AC_DEFINE(HAVE_DMU_PREFETCH_6ARG, 1,
+ [Have 6 argument dmu_pretch in ZFS])
+ ])
])
AM_CONDITIONAL(ZFS_ENABLED, [test "x$enable_zfs" = xyes])