Re: [PATCH 11/12] xfs: remove struct xfs_dabuf and infrastructure

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>  	ASSERT(bp != NULL);
> -	leaf = bp->data;
> +	leaf = bp->b_addr;
>  	if (unlikely(leaf->hdr.info.magic != cpu_to_be16(XFS_ATTR_LEAF_MAGIC))) {
>  		XFS_CORRUPTION_ERROR("xfs_attr_leaf_list", XFS_ERRLEVEL_LOW,
>  				     context->dp->i_mount, leaf);
> -		xfs_da_brelse(NULL, bp);
> +		xfs_trans_brelse(NULL, bp);

Wouldn't a direct call to xfs_buf_relse be the more logical replacement
for a call to xfs_da_brelse with a constant NULL transaction argument?

>  int
> -xfs_attr_shortform_allfit(xfs_dabuf_t *bp, xfs_inode_t *dp)
> +xfs_attr_shortform_allfit(
> +	struct xfs_buf	*bp,
> +	struct xfs_inode *dp)

If you'd use one more tab all arguments would be full aligned.  This
also happens in a few more places.

> -xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff)
> +xfs_attr_leaf_to_shortform(
> +	struct xfs_buf	*bp,
> +	xfs_da_args_t	*args,

Also if you touch the argument list anyway please replace xfs_da_args_t
with struct xfs_da_args.

>  void
>  xfs_da_state_free(xfs_da_state_t *state)
>  {
> -	int	i;
> -
>  	xfs_da_state_kill_altpath(state);
> -	for (i = 0; i < state->path.active; i++) {
> -		if (state->path.blk[i].bp)
> -			xfs_da_buf_done(state->path.blk[i].bp);
> -	}
> -	if (state->extravalid && state->extrablk.bp)
> -		xfs_da_buf_done(state->extrablk.bp);
>  #ifdef DEBUG
>  	memset((char *)state, 0, sizeof(*state));
>  #endif /* DEBUG */
>  	kmem_zone_free(xfs_da_state_zone, state);

We really should kill that memset, which only defeats slab poisoning.
Not in this patch, though.

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