resize2fs test
Creating filesystem with 786432 1k blocks and 98304 inodes
Superblock backups stored on blocks: 
	8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409, 663553

Allocating group tables:      done                            
Writing inode tables:      done                            
Creating journal (16384 blocks): done
Creating 727 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information:      done

Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

Exit status is 0
resize2fs test.img
Resizing the filesystem on test.img to 3145728 (1k) blocks.
The filesystem on test.img is now 3145728 (1k) blocks long.

Exit status is 0
Change in FS metadata:
@@ -1,15 +1,15 @@
 
 group:block:super:gdt:bbitmap:ibitmap:itable
-0:1:1:2-4:5:6:7
-1:8193:8193:8194-8196:8197:8198:8199
+0:1:1:2-13:263:264:265
+1:8193:8193:8194-8205:8455:8456:8457
 2:16385:-1:-1:16385:16386:16387
-3:24577:24577:24578-24580:24581:24582:24583
+3:24577:24577:24578-24589:24839:24840:24841
 4:32769:-1:-1:32769:32770:32771
-5:40961:40961:40962-40964:40965:40966:40967
+5:40961:40961:40962-40973:41223:41224:41225
 6:49153:-1:-1:49153:49154:49155
-7:57345:57345:57346-57348:57349:57350:57351
+7:57345:57345:57346-57357:57607:57608:57609
 8:65537:-1:-1:65537:65538:65539
-9:73729:73729:73730-73732:73733:73734:73735
+9:73729:73729:73730-73741:73991:73992:73993
 10:81921:-1:-1:81921:81922:81923
 11:90113:-1:-1:90113:90114:90115
 12:98305:-1:-1:98305:98306:98307
@@ -25,9 +25,9 @@
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 24:196609:-1:-1:196609:196610:196611
-25:204801:204801:204802-204804:204805:204806:204807
+25:204801:204801:204802-204813:205063:205064:205065
 26:212993:-1:-1:212993:212994:212995
-27:221185:221185:221186-221188:221189:221190:221191
+27:221185:221185:221186-221197:221447:221448:221449
 28:229377:-1:-1:229377:229378:229379
 29:237569:-1:-1:237569:237570:237571
 30:245761:-1:-1:245761:245762:245763
@@ -49,7 +49,7 @@
 46:376833:-1:-1:376833:376834:376835
 47:385025:-1:-1:385025:385026:385027
 48:393217:-1:-1:393217:393218:393219
-49:401409:401409:401410-401412:401413:401414:401415
+49:401409:401409:401410-401421:401671:401672:401673
 50:409601:-1:-1:409601:409602:409603
 51:417793:-1:-1:417793:417794:417795
 52:425985:-1:-1:425985:425986:425987
@@ -81,7 +81,7 @@
 78:638977:-1:-1:638977:638978:638979
 79:647169:-1:-1:647169:647170:647171
 80:655361:-1:-1:655361:655362:655363
-81:663553:663553:663554-663556:663557:663558:663559
+81:663553:663553:663554-663565:663815:663816:663817
 82:671745:-1:-1:671745:671746:671747
 83:679937:-1:-1:679937:679938:679939
 84:688129:-1:-1:688129:688130:688131
@@ -96,3 +96,291 @@
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+377:3088385:-1:-1:3088385:3088386:3088387
+378:3096577:-1:-1:3096577:3096578:3096579
+379:3104769:-1:-1:3104769:3104770:3104771
+380:3112961:-1:-1:3112961:3112962:3112963
+381:3121153:-1:-1:3121153:3121154:3121155
+382:3129345:-1:-1:3129345:3129346:3129347
+383:3137537:-1:-1:3137537:3137538:3137539
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

Exit status is 0