Re: [PATCH] mkfs.xfs: clarify ftype defaults in manpage

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On 9/18/16 9:16 PM, Dave Chinner wrote:
> On Fri, Sep 16, 2016 at 03:48:14PM -0500, Eric Sandeen wrote:
>> When CRCs were made default, a few leftovers related to its
>> prior non-default status remained in the manpage, in the ftype
>> section.  Clean those up.
>>
>> Reported-by: Chris Murphy <chris@xxxxxxxxx>
>> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
>> ---
>>
>> diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8
>> index 9578c4d..033bc36 100644
>> --- a/man/man8/mkfs.xfs.8
>> +++ b/man/man8/mkfs.xfs.8
>> @@ -636,13 +636,13 @@ do not need to look up the inode to determine the inode type.
>>  
>>  The
>>  .I value
>> -is either 0 or 1, with 1 signifiying that filetype information
>> -will be stored in the directory structure. The default value is 0.
>> +is either 0 or 1, with 1 signifying that filetype information
>> +will be stored in the directory structure.
>>  
>> -When CRCs are enabled via
>> -.B \-m crc=1,
>> -the ftype functionality is always enabled. This feature can not be turned
>> -off for such filesystem configurations.
>> +When CRCs are enabled (the default), the ftype functionality is always
>> +enabled, and cannot be turned off. If CRCs are disabled with
>> +.B \-m crc=0,
>> +the ftype functionality is disabled by default.
> 
> I think that's wrong:
> 
> $ sudo mkfs.xfs -f -m crc=0 /dev/vda
> ....
> naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
>                                                          ^^^^^^^
> 
> i.e. ftype is enabled by default for all configurations these days.

Oh hell, you're right.  I'll resend.  In retrospect that was probably
a mistake, but it is what it is :)

-Eric
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