Re: [PATCH v2 4/7] xfs: do the assert for all the log done items in xfs_trans_cancel

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On Thu, Sep 17, 2020 at 07:38:45PM +0800, xiakaixu1987@xxxxxxxxx wrote:
> From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
> 
> We should do the assert for all the log intent-done items if they appear
> here. This patch detect intent-done items by the fact that their item ops
> don't have iop_unpin and iop_push methods.
> 
> Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>

Seems ok to me,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/xfs_trans.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
> index ca18a040336a..0d5d5a53fa5a 100644
> --- a/fs/xfs/xfs_trans.c
> +++ b/fs/xfs/xfs_trans.c
> @@ -925,6 +925,13 @@ xfs_trans_commit(
>  	return __xfs_trans_commit(tp, false);
>  }
>  
> +/* Is this a log intent-done item? */
> +static inline bool xlog_item_is_intent_done(struct xfs_log_item *lip)
> +{
> +	return lip->li_ops->iop_unpin == NULL &&
> +	       lip->li_ops->iop_push == NULL;
> +}
> +
>  /*
>   * Unlock all of the transaction's items and free the transaction.
>   * The transaction must not have modified any of its items, because
> @@ -959,7 +966,7 @@ xfs_trans_cancel(
>  		struct xfs_log_item *lip;
>  
>  		list_for_each_entry(lip, &tp->t_items, li_trans)
> -			ASSERT(!(lip->li_type == XFS_LI_EFD));
> +			ASSERT(!xlog_item_is_intent_done(lip));
>  	}
>  #endif
>  	xfs_trans_unreserve_and_mod_sb(tp);
> -- 
> 2.20.0
> 



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