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Date:   Thu, 13 Apr 2023 07:35:30 -0700
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@...radead.org>,
        Ojaswin Mujoo <ojaswin@...ux.ibm.com>,
        Disha Goel <disgoel@...ux.ibm.com>
Subject: Re: [RFCv3 09/10] iomap: Minor refactor of iomap_dio_rw

On Thu, Apr 13, 2023 at 02:10:31PM +0530, Ritesh Harjani (IBM) wrote:
> The next patch brings in the tracepoint patch for iomap DIO functions.
> This is a small refactor change for having a single out path.
> 
> Tested-by: Disha Goel <disgoel@...ux.ibm.com>
> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>

IMHO this could've been part of the next patch instead of separate, but
eh, whatever, looks good to me.
Reviewed-by: Darrick J. Wong <djwong@...nel.org>

--D

> ---
>  fs/iomap/direct-io.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
> index 36ab1152dbea..5871956ee880 100644
> --- a/fs/iomap/direct-io.c
> +++ b/fs/iomap/direct-io.c
> @@ -679,11 +679,16 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
>  		unsigned int dio_flags, void *private, size_t done_before)
>  {
>  	struct iomap_dio *dio;
> +	ssize_t ret = 0;
>  
>  	dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, private,
>  			     done_before);
> -	if (IS_ERR_OR_NULL(dio))
> -		return PTR_ERR_OR_ZERO(dio);
> -	return iomap_dio_complete(dio);
> +	if (IS_ERR_OR_NULL(dio)) {
> +		ret = PTR_ERR_OR_ZERO(dio);
> +		goto out;
> +	}
> +	ret = iomap_dio_complete(dio);
> +out:
> +	return ret;
>  }
>  EXPORT_SYMBOL_GPL(iomap_dio_rw);
> -- 
> 2.39.2
> 

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