# LB_PATH_DMU
#
AC_DEFUN([LB_PATH_DMU],
-[AC_MSG_CHECKING([whether to enable DMU])
-if test x$enable_uoss = xyes -a x$enable_posix_osd != xyes; then
- DMU_SRC="$PWD/lustre/zfs-lustre"
+[AC_ARG_ENABLE([dmu],
+ AC_HELP_STRING([--enable-dmu],
+ [enable the DMU backend]),
+ [],[with_dmu='default'])
+AC_MSG_CHECKING([whether to enable DMU])
+case x$with_dmu in
+ xyes)
+ dmu_osd='yes'
+ ;;
+ xno)
+ dmu_osd='no'
+ ;;
+ xdefault)
+ if test x$enable_uoss = xyes -a x$posix_osd != xyes; then
+ # Enable the DMU if we're configuring a userspace server
+ dmu_osd='yes'
+ else
+ # Enable the DMU by default on the b_hd_kdmu branch
+ if test -d $PWD/zfs -a x$linux25$enable_server = xyesyes; then
+ dmu_osd='yes'
+ else
+ dmu_osd='no'
+ fi
+ fi
+ ;;
+ *)
+ dmu_osd='yes'
+ ;;
+esac
+AC_MSG_RESULT([$dmu_osd])
+if test x$dmu_osd = xyes; then
AC_DEFINE(DMU_OSD, 1, Enable DMU OSD)
- AC_MSG_RESULT([yes])
- LB_CHECK_FILE([$DMU_SRC/src/.patched],[],[
- AC_MSG_ERROR([A complete (patched) DMU tree was not found.])
- ])
- AC_CONFIG_SUBDIRS(lustre/zfs-lustre)
- dmu_osd='yes'
-else
- AC_MSG_RESULT([no])
+ if test x$enable_uoss = xyes; then
+ # Userspace DMU
+ DMU_SRC="$PWD/lustre/zfs-lustre"
+ AC_SUBST(DMU_SRC)
+ LB_CHECK_FILE([$DMU_SRC/src/.patched],[],[
+ AC_MSG_ERROR([A complete (patched) DMU tree was not found.])
+ ])
+ AC_CONFIG_SUBDIRS(lustre/zfs-lustre)
+ else
+ # Kernel DMU
+ SPL_DIR="$PWD/spl"
+ ZFS_DIR="$PWD/zfs"
+ AC_SUBST(SPL_DIR)
+ AC_SUBST(ZFS_DIR)
+
+ AC_SUBST(spl_src)
+
+ LB_CHECK_FILE([$SPL_DIR/modules/spl/spl-generic.c],[],[
+ AC_MSG_ERROR([A complete SPL tree was not found in $SPL_DIR.])
+ ])
+
+ LB_CHECK_FILE([$ZFS_DIR/zfs/lib/libzpool/dmu.c],[],[
+ AC_MSG_ERROR([A complete kernel DMU tree was not found in $ZFS_DIR.])
+ ])
+
+ AC_CONFIG_SUBDIRS(spl)
+ ac_configure_args="$ac_configure_args --with-spl=$SPL_DIR"
+ AC_CONFIG_SUBDIRS(zfs)
+ fi
fi
-AC_SUBST(DMU_SRC)
AM_CONDITIONAL(DMU_OSD_ENABLED, test x$dmu_osd = xyes)
+AM_CONDITIONAL(KDMU, test x$dmu_osd$enable_uoss = xyesno)
])
#
LB_UOSS
LB_POSIX_OSD
-LB_PATH_DMU
LB_CONFIG_DOCS
LB_CONFIG_UTILS
LB_CONFIG_MODULES
+LB_PATH_DMU
LB_PATH_LIBSYSIO
LB_PATH_SNMP
LB_PATH_LDISKFS