Re: Cant find sunit and swidth on luks encrypted raid6 device

["Barry Naujok" <bnaujok@xxxxxxx>]

On Thu, 20 Sep 2007 05:42:54 +1000, Eric Sandeen <sandeen@xxxxxxxxxxx>  
wrote:

> Jochen K. wrote:
>
> > [output with encryption]
> >
> > mkfs.xfs -f /dev/mapper/raid6
> >
> > meta-data=/dev/mapper/raid6      isize=256    agcount=32,  
> > agsize=53412581
> > blks
> >          =                       sectsz=512   attr=0
> > data     =                       bsize=4096   blocks=1709202592,  
> > imaxpct=25
> >          =                       sunit=0      swidth=0 blks, unwritten=1
> > naming   =version 2              bsize=4096
> > log      =internal log           bsize=4096   blocks=32768, version=1
> >          =                       sectsz=512   sunit=0 blks, lazy-count=0
> > realtime =none                   extsz=4096   blocks=0, rtextents=0
> > b7f57ad0: Badness in key lookup (length)
> > bp=(bno 13673620728, len 131072 bytes) key=(bno 13673620728, len 4096  
> > bytes)
>
> What generates the last two lines in the above message, and do you know
> what it indicates?

The following patch should fix this problem:

--- a/xfsprogs/mkfs/xfs_mkfs.c  2007-09-20 12:31:33.000000000 +1000
+++ b/xfsprogs/mkfs/xfs_mkfs.c  2007-09-20 12:28:46.698533734 +1000
@@ -2115,6 +2115,7 @@
                                    BTOBB(WHACK_SIZE));
                bzero(XFS_BUF_PTR(buf), WHACK_SIZE);
                libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+               libxfs_purgebuf(buf);
        }

        /*