X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=config%2Flustre-build-zfs.m4;h=acacf34e1f9b9573b0b07459b8dfb4061d2daa46;hb=622e4c6e04baa4f9d19cc33f4636679014fc1d2f;hp=f632df1ab07ca65e355fe13b8dcc6d65f28945e0;hpb=87cc32adc11b3db914dd63e3766614a02e2f988f;p=fs%2Flustre-release.git

diff --git a/config/lustre-build-zfs.m4 b/config/lustre-build-zfs.m4
index f632df1..acacf34 100644
--- a/config/lustre-build-zfs.m4
+++ b/config/lustre-build-zfs.m4
@@ -169,14 +169,17 @@ AC_DEFUN([LB_SPL], [
 		AC_MSG_RESULT([$splsym])
 	])
 
-	SPL=${splsrc}
-	SPL_OBJ=${splobj}
-	SPL_VERSION=${splver}
-
-	AC_SUBST(SPL)
-	AC_SUBST(SPL_OBJ)
-	AC_SUBST(SPL_VERSION)
-	AC_SUBST(EXTRA_SYMBOLS)
+	AS_IF([test x$enable_zfs = xyes], [
+		SPL=${splsrc}
+		SPL_OBJ=${splobj}
+		SPL_VERSION=${splver}
+
+		AC_SUBST(SPL)
+		AC_SUBST(SPL_OBJ)
+		AC_SUBST(SPL_VERSION)
+		AC_SUBST(EXTRA_SYMBOLS)
+	])
+
 ])
 
 AC_DEFUN([LB_ZFS], [
@@ -287,14 +290,17 @@ AC_DEFUN([LB_ZFS], [
 		AC_MSG_RESULT([$zfssym])
 	])
 
-	ZFS=${zfssrc}
-	ZFS_OBJ=${zfsobj}
-	ZFS_VERSION=${zfsver}
+	AS_IF([test x$enable_zfs = xyes], [
+		ZFS=${zfssrc}
+		ZFS_OBJ=${zfsobj}
+		ZFS_VERSION=${zfsver}
+
+		AC_SUBST(ZFS)
+		AC_SUBST(ZFS_OBJ)
+		AC_SUBST(ZFS_VERSION)
+		AC_SUBST(EXTRA_SYMBOLS)
+	])
 
-	AC_SUBST(ZFS)
-	AC_SUBST(ZFS_OBJ)
-	AC_SUBST(ZFS_VERSION)
-	AC_SUBST(EXTRA_SYMBOLS)
 ])
 
 AC_DEFUN([LB_ZFS_DEVEL], [
@@ -400,7 +406,8 @@ AC_DEFUN([LB_CONFIG_ZFS], [
 		dnl #
 		dnl # SPL is only needed if ZFS is prior to 0.8.0
 		dnl #
-		AS_IF([test x$enable_modules = xyes && test $ZFS_MAJOR -eq 0 && test $ZFS_MINOR -lt 8], [
+		AS_IF([test x$enable_modules = xyes && test -n "$ZFS_MAJOR" &&
+			    test $ZFS_MAJOR -eq 0 && test $ZFS_MINOR -lt 8], [
 			LB_SPL
 		],[
 			enable_spl=no
@@ -691,11 +698,14 @@ your distribution.
 				[Have inode_timespec_t])
 		])
 		dnl # ZFS 0.7.12/0.8.x uses zfs_refcount_add() instead of
-		dnl # refcount_add().
+		dnl # refcount_add().  ZFS 2.0 renamed sys/refcount.h to
+		dnl # sys/zfs_refcount.h, rather the add another check to
+		dnl # determine the correct header name include it
+		dnl # indirectly through sys/dnode.h.
 		dnl #
 		LB_CHECK_COMPILE([if ZFS has 'zfs_refcount_add'],
 		zfs_refcount_add, [
-			#include <sys/refcount.h>
+			#include <sys/dnode.h>
 		],[
 			zfs_refcount_add((zfs_refcount_t *) NULL, NULL);
 		],[
@@ -729,6 +739,34 @@ your distribution.
 			AC_DEFINE(HAVE_DMU_OBJSET_DISOWN_3ARG, 1,
 				[Have dmu_objset_disown() with 3 args])
 		])
+		dnl #
+		dnl # ZFS exports dmu_offet_next
+		dnl #
+		AC_CACHE_CHECK([if ZFS exports 'dmu_offset_next'],
+		[lb_cv_dmu_offset_next], [
+		lb_cv_dmu_offset_next="no"
+		AS_IF([grep -q -E "EXPORT_SYMBOL.*\(dmu_offset_next\)" "$zfssrc/module/zfs/dmu.c" 2>/dev/null],
+			[lb_cv_dmu_offset_next="yes"])
+		])
+		AS_IF([test "x$lb_cv_dmu_offset_next" = "xyes"], [
+			AC_DEFINE(HAVE_DMU_OFFSET_NEXT, 1,
+				[Have dmu_offset_next() exported])
+		])
+		dnl #
+		dnl # ZFS 2.0 replaced .db_last_dirty / .dr_next with a list_t
+		dnl # and list_node_t named .db_dirty_records / .dr_dbuf_node.
+		dnl #
+		LB_CHECK_COMPILE([if ZFS has 'db_dirty_records' list_t],
+		db_dirty_records, [
+			#include <sys/dbuf.h>
+		],[
+			dmu_buf_impl_t db;
+			dbuf_dirty_record_t *dr;
+			dr = list_head(&db.db_dirty_records);
+		],[
+			AC_DEFINE(HAVE_DB_DIRTY_RECORDS_LIST, 1,
+				[Have db_dirty_records list_t])
+		])
 	])
 
 	AS_IF([test "x$enable_zfs" = xyes], [