[PATCH] xfs_io: update bmap help text

[Christoph Hellwig]

On Thu, Dec 10, 2009 at 04:01:51PM -0600, Eric Sandeen wrote:
> Trivial addition of missing argument help text.
> 
> Signed-off-by: Eric Sandeen <sandeen at sandeen.net>
> ---
> 
> iff --git a/io/bmap.c b/io/bmap.c
> index f79cf8c..5c4cf48 100644
> --- a/io/bmap.c
> +++ b/io/bmap.c
> @@ -43,6 +43,9 @@ bmap_help(void)
>  " -a -- prints the attribute fork map instead of the data fork.\n"
>  " -d -- suppresses a DMAPI read event, offline portions shown as holes.\n"
>  " -l -- also displays the length of each extent in 512-byte blocks.\n"
> +" -n -- query n extents.\n"
> +" -p -- obtain all unwritten extents as well (w/ -v show which are unwritten.\n"
> +" -v -- Verbose information, specify ag info.  Show flags legend on 2nd -v\n"

Looks good modulo the missing brace as noted by Dave.