On Thu, Mar 14, 2013 at 04:18:17PM -0500, Ben Myers wrote:
> On Tue, Mar 12, 2013 at 11:30:35PM +1100, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@xxxxxxxxxx>
> >
> > Currently xfs_corruption_error() dumps the first 16 bytes of the
> > buffer that is passed to it when a corruption occurs. This is not
> > large enough to see the entire state of the header of the block that
> > was determined to be corrupt. increase the output to 64 bytes to
> > capture the majority of all headers in all types of metadata blocks.
> >
> > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> > ---
> > fs/xfs/xfs_error.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
> > index 07bf3b9..35d3f5b 100644
> > --- a/fs/xfs/xfs_error.c
> > +++ b/fs/xfs/xfs_error.c
> > @@ -178,7 +178,7 @@ xfs_corruption_error(
> > inst_t *ra)
> > {
> > if (level <= xfs_error_level)
> > - xfs_hex_dump(p, 16);
> > + xfs_hex_dump(p, 64);
>
> Are you sure we don't have any structures which are shorter than that? I guess
> we'll have to take a look.
We only ever pass it buffers or struct xfs_dinode, both of which are
always guaranteed to be larger than 64 bytes.
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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