Re: CONFIG_EXT4_USE_FOR_EXT23: rootfs shows as ext2 instead of ext4

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 11-04-12 08:49 PM, Ted Ts'o wrote:
> On Tue, Apr 12, 2011 at 01:25:08PM -0400, Mark Lord wrote:
>> Ted et al.
>>
>> I've only just noticed this, so I have no idea how long it has been this way.
>>
>> When I build a kernel with CONFIG_EXT4_USE_FOR_EXT23=y and boot from it,
>> the ext4 root filesystem shows up as "ext2" mode, rather than "ext4".
>>
>> This looks very wrong to me, and quite dangerous.
> 
> It's a cosemtic bug, I agree, but I'm not sure why you consider it
> dangerous.

It is dangerous if it really has mounted an ext4 as ext2;
the on-disk formats are not 100% compatible.

I don't know what it is doing, so it looks quite dangerous.
Perhaps it really did mount as ext4 though, in which case not.

Thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux