Re: [PATCH 110/117] Finalize the switch from 'int' to 'union scsi_status'

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On 4/19/21 7:13 PM, Bart Van Assche wrote:
> A previous patch changed 'int result;' into a union and introduced the
> scsi_status member in that union. Now that the conversion from type
> 'int' into 'union scsi_status' is complete, remove the 'result' member.
> 
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: John Garry <john.garry@xxxxxxxxxx>
> Cc: Lee Duncan <lduncan@xxxxxxxx>
> Cc: Can Guo <cang@xxxxxxxxxxxxxx>
> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
> ---
>  include/linux/bsg-lib.h          | 5 +----
>  include/scsi/scsi_bsg_iscsi.h    | 7 ++-----
>  include/scsi/scsi_cmnd.h         | 5 +----
>  include/scsi/scsi_eh.h           | 5 +----
>  include/scsi/scsi_request.h      | 5 +----
>  include/uapi/scsi/scsi_bsg_fc.h  | 5 +----
>  include/uapi/scsi/scsi_bsg_ufs.h | 7 ++-----
>  7 files changed, 9 insertions(+), 30 deletions(-)
> 
> diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
> index f934afc45760..6143a54454db 100644
> --- a/include/linux/bsg-lib.h
> +++ b/include/linux/bsg-lib.h
> @@ -53,10 +53,7 @@ struct bsg_job {
>  	struct bsg_buffer request_payload;
>  	struct bsg_buffer reply_payload;
>  
> -	union {
> -		int		  result; /* do not use in new code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  	unsigned int reply_payload_rcv_len;
>  
>  	/* BIDI support */
> diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h
> index d18e7e061927..e384df88fab1 100644
> --- a/include/scsi/scsi_bsg_iscsi.h
> +++ b/include/scsi/scsi_bsg_iscsi.h
> @@ -76,17 +76,14 @@ struct iscsi_bsg_request {
>  /* response (request sense data) structure of the sg_io_v4 */
>  struct iscsi_bsg_reply {
>  	/*
> -	 * The completion result. Result exists in two forms:
> +	 * The completion status. Result exists in two forms:
>  	 * if negative, it is an -Exxx system errno value. There will
>  	 * be no further reply information supplied.
>  	 * else, it's the 4-byte scsi error result, with driver, host,
>  	 * msg and status fields. The per-msgcode reply structure
>  	 * will contain valid data.
>  	 */
> -	union {
> -		uint32_t	  result; /* do not use in new code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  
>  	/* If there was reply_payload, how much was recevied ? */
>  	uint32_t reply_payload_rcv_len;
> diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
> index 539be97b0a7d..b616e1d8af9a 100644
> --- a/include/scsi/scsi_cmnd.h
> +++ b/include/scsi/scsi_cmnd.h
> @@ -141,10 +141,7 @@ struct scsi_cmnd {
>  					 * to be at an address < 16Mb). */
>  
>  	/* Status code from lower level driver */
> -	union {
> -		int		  result; /* do not use in new code. */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  	int flags;		/* Command flags */
>  	unsigned long state;	/* Command completion state */
>  
> diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
> index dcd66bb9a1ba..406e22887d96 100644
> --- a/include/scsi/scsi_eh.h
> +++ b/include/scsi/scsi_eh.h
> @@ -33,10 +33,7 @@ extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
>  
>  struct scsi_eh_save {
>  	/* saved state */
> -	union {
> -		int		  result; /* do not use in new code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  	unsigned int resid_len;
>  	int eh_eflags;
>  	enum dma_data_direction data_direction;
> diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
> index 83f5549cc74c..41b8f9f6a349 100644
> --- a/include/scsi/scsi_request.h
> +++ b/include/scsi/scsi_request.h
> @@ -11,10 +11,7 @@ struct scsi_request {
>  	unsigned char	__cmd[BLK_MAX_CDB];
>  	unsigned char	*cmd;
>  	unsigned short	cmd_len;
> -	union {
> -		int		  result; /* do not use in new code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  	unsigned int	sense_len;
>  	unsigned int	resid_len;	/* residual count */
>  	int		retries;
> diff --git a/include/uapi/scsi/scsi_bsg_fc.h b/include/uapi/scsi/scsi_bsg_fc.h
> index 419db719fe8e..6d095aefc265 100644
> --- a/include/uapi/scsi/scsi_bsg_fc.h
> +++ b/include/uapi/scsi/scsi_bsg_fc.h
> @@ -295,10 +295,7 @@ struct fc_bsg_reply {
>  	 *    will contain valid data.
>  	 */
>  #ifdef __KERNEL__
> -	union {
> -		__u32		  result; /* do not use in new kernel code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  #else
>  	__u32 result;
>  #endif
> diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h
> index 3dfe5a5a0842..1c282ab144f6 100644
> --- a/include/uapi/scsi/scsi_bsg_ufs.h
> +++ b/include/uapi/scsi/scsi_bsg_ufs.h
> @@ -92,7 +92,7 @@ struct ufs_bsg_request {
>  /* response (request sense data) structure of the sg_io_v4 */
>  struct ufs_bsg_reply {
>  	/*
> -	 * The completion result. Result exists in two forms:
> +	 * The completion status. Exists in two forms:
>  	 * if negative, it is an -Exxx system errno value. There will
>  	 * be no further reply information supplied.
>  	 * else, it's the 4-byte scsi error result, with driver, host,
> @@ -100,10 +100,7 @@ struct ufs_bsg_reply {
>  	 * will contain valid data.
>  	 */
>  #ifdef __KERNEL__
> -	union {
> -		__u32		  result; /* do not use in new kernel code */
> -		union scsi_status status;
> -	};
> +	union scsi_status status;
>  #else
>  	__u32 result;
>  #endif
> 

Reviewed-by: Lee Duncan <lduncan@xxxxxxxx>




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