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

[Dave Chinner]

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 at cmurf.com>
> Signed-off-by: Eric Sandeen <sandeen at redhat.com>
> ---
> 
> 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.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com