fixed an erase count log bug

src/spiffs_gc.c

@@ -20,7 +20,7 @@ static s32_t spiffs_gc_erase_block(
   fs->free_blocks++;
 
   // register erase count for this block
-  res = _spiffs_wr(fs, SPIFFS_OP_C_UPDT | SPIFFS_OP_T_OBJ_LU2, 0,
+  res = _spiffs_wr(fs, SPIFFS_OP_C_WRTHRU | SPIFFS_OP_T_OBJ_LU2, 0,
       SPIFFS_ERASE_COUNT_PADDR(fs, bix),
       sizeof(spiffs_obj_id), (u8_t *)&fs->max_erase_count);
   SPIFFS_CHECK_RES(res);

src/spiffs_hydrogen.c

@@ -693,13 +693,29 @@ s32_t SPIFFS_vis(spiffs *fs) {
       } // per entry
       obj_lookup_page++;
     } // per object lookup page
-    if ((cur_entry & 0x1f) != 0) {
-      spiffs_printf("\n");
+
+    spiffs_obj_id erase_count;
+    res = _spiffs_rd(fs, SPIFFS_OP_C_READ | SPIFFS_OP_T_OBJ_LU2, 0,
+        SPIFFS_ERASE_COUNT_PADDR(fs, bix),
+        sizeof(spiffs_obj_id), (u8_t *)&erase_count);
+    SPIFFS_CHECK_RES(res);
+
+    if (erase_count != (spiffs_obj_id)-1) {
+      spiffs_printf("\tera_cnt: %i\n", erase_count);
+    } else {
+      spiffs_printf("\tera_cnt: N/A\n");
     }
 
     bix++;
   } // per block
 
+  spiffs_printf("era_cnt_max: %i\n", fs->max_erase_count);
+  spiffs_printf("last_errno:  %i\n", fs->errno);
+  spiffs_printf("blocks:      %i\n", fs->block_count);
+  spiffs_printf("free_blocks: %i\n", fs->free_blocks);
+  spiffs_printf("page_alloc:  %i\n", fs->stats_p_allocated);
+  spiffs_printf("page_delet:  %i\n", fs->stats_p_deleted);
+
   SPIFFS_UNLOCK(fs);
   return res;
 }

src/spiffs_nucleus.c

@@ -255,8 +255,8 @@ s32_t spiffs_obj_lu_scan(
 
   bix = 0;
   spiffs_obj_id erase_count_final;
-  spiffs_obj_id erase_count_min = 0;
-  spiffs_obj_id erase_count_max = SPIFFS_OBJ_ID_FREE;
+  spiffs_obj_id erase_count_min = SPIFFS_OBJ_ID_FREE;
+  spiffs_obj_id erase_count_max = 0;
   while (bix < fs->block_count) {
     spiffs_obj_id erase_count;
     res = _spiffs_rd(fs,