active: fix compilation without devmapper

Better support for compilation without device-mapper.

lib/activate/activate.c

@@ -185,8 +185,8 @@ void set_activation(int act, int silent)
 	if (warned || !act)
 		return;
 
-	log_error("Compiled without libdevmapper support. "
+	log_warn("WARNING: Compiled without libdevmapper support. "
-		  "Can't enable activation.");
+		 "Can't enable activation.");
 
 	warned = 1;
 }
@@ -221,23 +221,13 @@ int lv_info(struct cmd_context *cmd, const struct logical_volume *lv, int use_la
 {
 	return 0;
 }
-int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer,
+int lv_info_with_seg_status(struct cmd_context *cmd,
-		    struct lvinfo *info, int with_open_count, int with_read_ahead)
+			    const struct lv_segment *lv_seg,
-{
-	return 0;
-}
-int lv_info_with_seg_status(struct cmd_context *cmd, const struct logical_volume *lv,
-			    const struct lv_segment *lv_seg, int use_layer,
 			    struct lv_with_info_and_seg_status *status,
 			    int with_open_count, int with_read_ahead)
 {
 	return 0;
 }
-int lv_status(struct cmd_context *cmd, const struct lv_segment *lv_seg,
-	      int use_layer, struct lv_seg_status *lv_seg_status)
-{
-	return 0;
-}
 int lv_cache_status(const struct logical_volume *cache_lv,
 		    struct lv_status_cache **status)
 {
@@ -284,6 +274,10 @@ int lv_raid_message(const struct logical_volume *lv, const char *msg)
 {
 	return 0;
 }
+int lv_writecache_message(const struct logical_volume *lv, const char *msg)
+{
+	return 0;
+}
 int lv_thin_pool_status(const struct logical_volume *lv, int flush,
 			struct lv_status_thin_pool **thin_pool_status)
 {
@@ -298,6 +292,15 @@ int lv_thin_device_id(const struct logical_volume *lv, uint32_t *device_id)
 {
 	return 0;
 }
+int lv_vdo_pool_status(const struct logical_volume *lv, int flush,
+		       struct lv_status_vdo **vdo_status)
+{
+	return 0;
+}
+int lv_vdo_pool_percent(const struct logical_volume *lv, dm_percent_t *percent)
+{
+	return 0;
+}
 int lvs_in_vg_activated(const struct volume_group *vg)
 {
 	return 0;

lib/metadata/lv_manip.c

@@ -8010,10 +8010,10 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg,
 			return NULL;
 		}
 		/* Does LV need to be zeroed? */
-		if (lp->zero && !seg_is_thin(lp)) {
+		if (lp->zero) {
-			log_error("Can't wipe start of new LV without using "
+			log_warn("WARNING: Skipping zeroing and wipping, compiled without activation support.");
-				  "device-mapper kernel driver.");
+			lp->zero = 0;
-			return NULL;
+			lp->wipe_signatures = 0;
 		}
 	}
 

lib/metadata/thin_manip.c

@@ -545,8 +545,8 @@ int update_pool_lv(struct logical_volume *lv, int activate)
 			}
 			if (!lv_is_active(lv)) {
 				(void) init_dmeventd_monitor(monitored);
-				log_error("Cannot activate thin pool %s, perhaps skipped in lvm.conf volume_list?",
+				log_error("Cannot activate thin pool %s%s", display_lvname(lv),
-					  display_lvname(lv));
+					  activation() ? ", perhaps skipped in lvm.conf volume_list?" : ".");
 				return 0;
 			}
 		} else

lib/raid/raid.c

@@ -25,10 +25,6 @@
 #include "lib/metadata/metadata.h"
 #include "lib/metadata/lv_alloc.h"
 
-static int _raid_target_present(struct cmd_context *cmd,
-				const struct lv_segment *seg __attribute__((unused)),
-				unsigned *attributes);
-
 static void _raid_display(const struct lv_segment *seg)
 {
 	unsigned s;
@@ -240,6 +236,22 @@ static int _raid_text_export(const struct lv_segment *seg, struct formatter *f)
 	return _raid_text_export_raid(seg, f);
 }
 
+static int _raid_target_status_compatible(const char *type)
+{
+	return (strstr(type, "raid") != NULL);
+}
+
+static void _raid_destroy(struct segment_type *segtype)
+{
+	free((void *) segtype->dso);
+	free(segtype);
+}
+
+#ifdef DEVMAPPER_SUPPORT
+static int _raid_target_present(struct cmd_context *cmd,
+				const struct lv_segment *seg __attribute__((unused)),
+				unsigned *attributes);
+
 static int _raid_add_target_line(struct dev_manager *dm __attribute__((unused)),
 				 struct dm_pool *mem __attribute__((unused)),
 				 struct cmd_context *cmd __attribute__((unused)),
@@ -357,18 +369,6 @@ static int _raid_add_target_line(struct dev_manager *dm __attribute__((unused)),
 	return add_areas_line(dm, seg, node, 0u, seg->area_count);
 }
 
-static int _raid_target_status_compatible(const char *type)
-{
-	return (strstr(type, "raid") != NULL);
-}
-
-static void _raid_destroy(struct segment_type *segtype)
-{
-	free((void *) segtype->dso);
-	free(segtype);
-}
-
-#ifdef DEVMAPPER_SUPPORT
 static int _raid_target_percent(void **target_state,
 				dm_percent_t *percent,
 				struct dm_pool *mem,
@@ -569,9 +569,9 @@ static struct segtype_handler _raid_ops = {
 	.text_import_area_count = _raid_text_import_area_count,
 	.text_import = _raid_text_import,
 	.text_export = _raid_text_export,
-	.add_target_line = _raid_add_target_line,
 	.target_status_compatible = _raid_target_status_compatible,
 #ifdef DEVMAPPER_SUPPORT
+	.add_target_line = _raid_add_target_line,
 	.target_percent = _raid_target_percent,
 	.target_present = _raid_target_present,
 	.check_transient_status = _raid_transient_status,