Re: [PATCH] xfs: remove xfs_bmap_sanity_check()

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On Wed, Feb 25, 2015 at 05:41:10PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> This code is redundant now that we have verifiers that sanity check
> the buffers as they are read from disk.
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> ---

Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>

>  fs/xfs/libxfs/xfs_bmap.c | 32 --------------------------------
>  1 file changed, 32 deletions(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 8ae3775..b872e9c 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -244,30 +244,6 @@ xfs_bmap_forkoff_reset(
>  	}
>  }
>  
> -/*
> - * Debug/sanity checking code
> - */
> -
> -STATIC int
> -xfs_bmap_sanity_check(
> -	struct xfs_mount	*mp,
> -	struct xfs_buf		*bp,
> -	int			level)
> -{
> -	struct xfs_btree_block  *block = XFS_BUF_TO_BLOCK(bp);
> -
> -	if (block->bb_magic != cpu_to_be32(XFS_BMAP_CRC_MAGIC) &&
> -	    block->bb_magic != cpu_to_be32(XFS_BMAP_MAGIC))
> -		return 0;
> -
> -	if (be16_to_cpu(block->bb_level) != level ||
> -	    be16_to_cpu(block->bb_numrecs) == 0 ||
> -	    be16_to_cpu(block->bb_numrecs) > mp->m_bmap_dmxr[level != 0])
> -		return 0;
> -
> -	return 1;
> -}
> -
>  #ifdef DEBUG
>  STATIC struct xfs_buf *
>  xfs_bmap_get_bp(
> @@ -410,9 +386,6 @@ xfs_bmap_check_leaf_extents(
>  				goto error_norelse;
>  		}
>  		block = XFS_BUF_TO_BLOCK(bp);
> -		XFS_WANT_CORRUPTED_GOTO(mp,
> -			xfs_bmap_sanity_check(mp, bp, level),
> -			error0);
>  		if (level == 0)
>  			break;
>  
> @@ -1312,8 +1285,6 @@ xfs_bmap_read_extents(
>  		if (error)
>  			return error;
>  		block = XFS_BUF_TO_BLOCK(bp);
> -		XFS_WANT_CORRUPTED_GOTO(mp,
> -			xfs_bmap_sanity_check(mp, bp, level), error0);
>  		if (level == 0)
>  			break;
>  		pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]);
> @@ -1346,9 +1317,6 @@ xfs_bmap_read_extents(
>  				XFS_ERRLEVEL_LOW, ip->i_mount, block);
>  			goto error0;
>  		}
> -		XFS_WANT_CORRUPTED_GOTO(mp,
> -			xfs_bmap_sanity_check(mp, bp, 0),
> -			error0);
>  		/*
>  		 * Read-ahead the next leaf block, if any.
>  		 */
> -- 
> 2.0.0
> 
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> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs

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