2006-03-18 13:17:50

by Takashi Sato

[permalink] [raw]
Subject: Re: [Ext2-devel] [PATCH 2/2] ext2/3: Support 2^32-1blocks(e2fsprogs)

Hi,

> On Mar 18, 2006 14:57 +0900, Takashi Sato wrote:
>> >elm3b29:~/e2fsprogs-1.38/misc # ./mke2fs /dev/md0
>> >mke2fs 1.38 (30-Jun-2005)
>> >mke2fs: Filesystem too large. No more than 2**31-1 blocks
>> > (8TB using a blocksize of 4k) are currently supported.
>> >
>> >When I try to create "ext3":
>>
>> As I said in my previous mail, You should specify -F option to
>> create ext2/3 which has more than 2**31-1 blocks.
>> It is because of the compatibility.
>
> Oh, using -F for this is highly dangerous. That would allow mke2fs to
> run on e.g. a mounted filesystem or something. Instead use an option
> like "-E 16tb" or something.

I would like to integrate the function into new option "-O large_block"
in my mail "[PATCH 1/4] ext2/3: Extends the max file size(ext2 in kernel)".