Re: [PATCH] allow to create a minix3fs with a blocksize != 1K

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On 10.06.2012 21:58, Davidlohr Bueso wrote:

> On Wed, 2012-05-09 at 23:56 +0200, Vladimir 'φ-coder/phcoder' Serbinenko
> wrote:
>> Have used it to test minixfs support with various block sizes.
>>
> 
> Hi Vladimir,
> 
> A few comments:
> 
> +       if (MINIX_BLOCK_SIZE % 512 || MINIX_BLOCK_SIZE < 1024
> +           || MINIX_BLOCK_SIZE >= 65536)
> +               usage();
> 
> This check should be part of the switch statement, perhaps in its own
> function.
> +       if (*tmp && ...)
> 
> 

Ok

> +       if (fs_version != 3 && MINIX_BLOCK_SIZE != MINIX12_BLOCK_SIZE)
> +               usage();
> 
> We should set -1/-2 options to be mutually exclusive with -B.
> 

Ok

> +#define MAX_MINIX_BLOCK_SIZE 65536
> Isn't the max minix block size 4096?
> 

No, Maximum for the on-disk format is 65535. Minix itself supports
everything from 1025 to 65536-512 as long as it's divisible by 512.
Linux driver is limited to 1024, 2048 and 4096

> +#define MINIX12_BLOCK_SIZE   1024
> This is the minimal block size, including v3. MINIX12_ doesn't describe
> it well.
> 

I use this constant specifically in places which only relate to v1 and v2

> 
> Also, please send the patches in the body of the message - just as with
> the lkml.
> 

Ok

> Thanks,
> Davidlohr
> 
> 



-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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