+ dnl #
+ dnl # ZFS 0.7.2 adds new method dmu_tx_mark_netfree
+ dnl #
+ LB_CHECK_COMPILE([if ZFS has 'dmu_tx_mark_netfree'],
+ dmu_tx_mark_netfree, [
+ #include <sys/dmu.h>
+ ],[
+ dmu_tx_t *tx = NULL;
+ dmu_tx_mark_netfree(tx);
+ ],[
+ AC_DEFINE(HAVE_DMU_TX_MARK_NETFREE, 1,
+ [Have dmu_tx_mark_netfree])
+ ])
+ dnl #
+ dnl # ZFS 0.7.10 changes timestruc_t to inode_timespec_t
+ dnl #
+ LB_CHECK_COMPILE([if SPL has 'inode_timespec_t'],
+ zfs_have_inode_timespec, [
+ #include <sys/fs/zfs.h>
+ ],[
+ inode_timespec_t now;
+ gethrestime(&now);
+ ],[
+ AC_DEFINE(HAVE_ZFS_INODE_TIMESPEC, 1,
+ [Have inode_timespec_t])
+ ])
+ dnl # ZFS 0.7.12/0.8.x uses zfs_refcount_add() instead of
+ dnl # refcount_add().
+ dnl #
+ LB_CHECK_COMPILE([if ZFS has 'zfs_refcount_add'],
+ zfs_refcount_add, [
+ #include <sys/refcount.h>
+ ],[
+ zfs_refcount_add((zfs_refcount_t *) NULL, NULL);
+ ],[
+ AC_DEFINE(HAVE_ZFS_REFCOUNT_ADD, 1,
+ [Have zfs_refcount_add])
+ ])
+ dnl #
+ dnl # ZFS 0.8.x changes dmu_objset_own for encryption
+ dnl #
+ LB_CHECK_COMPILE([if ZFS has 'dmu_objset_own' with 6 args],
+ dmu_objset_own, [
+ #include <sys/dmu_objset.h>
+ ],[
+ objset_t *os = NULL;
+ dmu_objset_type_t type = DMU_OST_ANY;
+ dmu_objset_own(NULL, type, B_FALSE, B_TRUE, FTAG, &os);
+ ],[
+ AC_DEFINE(HAVE_DMU_OBJSET_OWN_6ARG, 1,
+ [Have dmu_objset_own() with 6 args])
+ ])
+ dnl #
+ dnl # ZFS 0.8.x changes dmu_objset_disown for encryption
+ dnl #
+ LB_CHECK_COMPILE([if ZFS has 'dmu_objset_disown' with 3 args],
+ dmu_objset_disown, [
+ #include <sys/dmu_objset.h>
+ ],[
+ objset_t *os = NULL;
+ dmu_objset_disown(os, B_TRUE, FTAG);
+ ],[
+ AC_DEFINE(HAVE_DMU_OBJSET_DISOWN_3ARG, 1,
+ [Have dmu_objset_disown() with 3 args])
+ ])