Subject: Re: ext2fs and largefile
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Frank Naumann <fnaumann@boerde.de>
List: tech-kern
Date: 09/09/2005 08:16:29
Hello!

>> I have a question about ext2fs and largefiles on it. Looks like it's not
>> really supported. I installed the e2fsprogs under NetBSD and created a
>> normally ext2 partition with mke2fs. It worked fine so far and was
>> perfectly accessible from NetBSD and WinXP. Under WinXP with the ext2
>> driver I copied a large file (above 4gb) into this partition. As side
>> effect the large_file bit in the features of the superblock is set
>> (EXT2_FEATURE_RO_COMPAT_LARGE_FILE). And now it's no longer accessible
>> from NetBSD (only read only mountable). But on automatic startup
>> fsck_ext2fs always fails and let the system go into single user mode.
>
> Yes, ext2fs large file is not supported yet.

Ok, then another questions: Is there a simple way to clear the large_file 
bit in the filesystem without a disk editor and fiddling out the right 
bit?


Regards,
Frank