linux-ext4 - Re: [PATCH] e2fsprogs: add minimal resize size option

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Date:	Thu, 03 Jan 2008 14:21:20 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Theodore Tso <tytso@....edu>
CC:	Josef Bacik <jbacik@...hat.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] e2fsprogs: add minimal resize size option

Theodore Tso wrote:
> On Wed, Jan 02, 2008 at 03:16:59PM -0500, Josef Bacik wrote:
>> Hello,
>>
>> People wishing to make live usb disks and such are looking for a way
>> to get the minimum resize size for an ext fs in blocks so that they
>> can just resize their image to that size and do with it what they
>> will.  This patch adds that functionality, just pass -m option and
>> it calculates the minimum number of blocks the fs can be resized to.
> 
> Three comments.  Instead of using a new option, why not simply let
> resize2fs check to see if the optional parameter is something like
> "min" or "0"?

How about spitting out minimum size message whenever a too-small size is
specified; 0 would then of course always take no action, but simply
print the minimum.  For a size that's actually specified, but too small,
it'd still be useful I think, to say "XXXXX blocks is too small, minimum
size is YYYYY" ?

0 could be special-cased to not print the "0 blocks is too small" part
(or whatever...)

-Eric
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