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

["Takashi Sato" <sho@bsd.tnes.nec.co.jp>]

Hi,

> Hi,
>
> Few comments on the patches:
>
> 1) Both kernel patch and e2fsprogs doesn't seem to apply cleanly for
> the versions you mentioned. I had to fix few rejects.

Sorry. My patches were corrupted because my poor mailer had
removed spaces in the patch.
I will take care of it when I update this patch.

> 2) I am still not able to make filesystem bigger than 8TB with your
> patch. I get following message.
>
> # fdisk -l /dev/md0
>
> Disk /dev/md0: 10479.7 GB, 10479753756672 bytes
> 2 heads, 4 sectors/track, -1736433664 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
>
>
> 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.

> elm3b29:~/e2fsprogs-1.38/misc # ./mke2fs -t ext3 /dev/md0
> mke2fs 1.38 (30-Jun-2005)
> mke2fs: invalid blocks count - /dev/md0
>
> Were you able to test these changes ?

You should specify -j option to create ext3 as below.

# ./mke2fs -j /dev/md0
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