diff --git a/tsk/fs/ext2fs.c b/tsk/fs/ext2fs.c
index 93b4d06a311dc85cdd5c4db1c23193190f2ae10b..d40a64be90e95f0c4e21f18f12efdcde809b759d 100644
--- a/tsk/fs/ext2fs.c
+++ b/tsk/fs/ext2fs.c
@@ -85,23 +85,27 @@ test_root(uint32_t a, uint32_t b)
 }
 
 /** \internal
-  ext2fs_bg_has_super - wrapper around test_root
-    Adapted from E2fsprogs sparse.c
-    @return 1 if block group has superblock, otherwise 0
+ * Test if block group has a super block in it.
+ *
+ * @return 1 if block group has superblock, otherwise 0
 */
 static uint32_t
-ext2fs_bg_has_super(uint32_t feature_ro_compat, uint32_t group_block)
+ext2fs_is_super_bg(uint32_t feature_ro_compat, uint32_t group_block)
 {
+    // if no sparse feature, then it has super block
     if (!(feature_ro_compat & EXT2FS_FEATURE_RO_COMPAT_SPARSE_SUPER))
         return 1;
 
+    // group 0 always has super block
     if (group_block == 0) 
         return 1;
 
-    // Super blocks are only in block groups that are powers of 3,5, and 7
-    if (test_root(group_block, 3) || (test_root(group_block, 5)) ||
-        test_root(group_block, 7))
+    // Sparse FS put super blocks in groups that are powers of 3, 5, 7
+    if (test_root(group_block, 3) || 
+            (test_root(group_block, 5)) ||
+            (test_root(group_block, 7))) {
         return 1;
+    }
 
     return 0;
 }
@@ -1769,8 +1773,6 @@ ext4_fsstat_datablock_helper(TSK_FS_INFO * fs, FILE * hFile,
         ", gpfbg: %d, ibpg: %d \n", cg_base, gpfbg, ibpg);
 #endif
     /*If this is the 1st bg in a flex bg then it contains the bitmaps and inode tables */
-    //if(ext2fs_bg_has_super(tsk_getu32(fs->endian,sb->s_feature_ro_compat),i))
-    //{
     if (i % gpfbg == 0) {
         if (curr_flex_bg == (num_flex_bg - 1)) {
             unsigned int num_groups = 0;
@@ -1812,7 +1814,7 @@ ext4_fsstat_datablock_helper(TSK_FS_INFO * fs, FILE * hFile,
         }
         tsk_fprintf(hFile, "    Data Blocks: ");
         db_offset = 0;
-        if (ext2fs_bg_has_super(tsk_getu32(fs->endian,
+        if (ext2fs_is_super_bg(tsk_getu32(fs->endian,
                     sb->s_feature_ro_compat), i)) {
             db_offset = cg_base + (gpfbg * 2)   //To account for the bitmaps
                 + (ibpg * gpfbg)        //Combined inode tables
@@ -1829,7 +1831,7 @@ ext4_fsstat_datablock_helper(TSK_FS_INFO * fs, FILE * hFile,
     else {
         tsk_fprintf(hFile, "    Data Blocks: ");
         db_offset = 0;
-        if (ext2fs_bg_has_super(tsk_getu32(fs->endian,
+        if (ext2fs_is_super_bg(tsk_getu32(fs->endian,
                     sb->s_feature_ro_compat), i)) {
             db_offset = cg_base + tsk_getu16(fs->endian, ext2fs->fs->pad_or_gdt.s_reserved_gdt_blocks) + gd_blocks      //group descriptors
                 + 1;            //superblock
@@ -2252,7 +2254,7 @@ ext2fs_fsstat(TSK_FS_INFO * fs, FILE * hFile)
         */
 #ifdef Ext4_DBG
         printf("DEBUG: ext2fs_super: %d\n",
-            ext2fs_bg_has_super(tsk_getu32(fs->endian,
+            ext2fs_is_super_bg(tsk_getu32(fs->endian,
             sb->s_feature_ro_compat), i));
 #endif
         /*        if (((tsk_getu32(fs->endian, ext2fs->fs->s_feature_ro_compat) &
@@ -2263,7 +2265,7 @@ ext2fs_fsstat(TSK_FS_INFO * fs, FILE * hFile)
         ext2fs->fs->s_feature_ro_compat) &
         EXT2FS_FEATURE_RO_COMPAT_SPARSE_SUPER) == 0)) {
         */
-        if (ext2fs_bg_has_super(tsk_getu32(fs->endian,
+        if (ext2fs_is_super_bg(tsk_getu32(fs->endian,
             sb->s_feature_ro_compat), i)) {
                 TSK_OFF_T boff;
 
@@ -2364,7 +2366,7 @@ ext2fs_fsstat(TSK_FS_INFO * fs, FILE * hFile)
             tsk_fprintf(hFile, "    Data Blocks: ");
             // BC: Commented out from Ext4 commit because it produced
             // bad data on Ext2 test image.
-            //if (ext2fs_bg_has_super(tsk_getu32(fs->endian,
+            //if (ext2fs_is_super_bg(tsk_getu32(fs->endian,
             //            sb->s_feature_ro_compat), i)) {
             if ((tsk_getu32(fs->endian, ext2fs->fs->s_feature_ro_compat) &
                 EXT2FS_FEATURE_RO_COMPAT_SPARSE_SUPER) &&