Re: [PATCH 6/6] scsi: Check sense buffer size at build time

[Christoph Hellwig]

> +/* Make sure any sense buffer is the correct size. */
> +#define scsi_execute(sdev, cmd, data_direction, buffer, bufflen, sense,	\
> +		     sshdr, timeout, retries, flags, rq_flags, resid)	\
> +({									\
> +	BUILD_BUG_ON((sense) != NULL &&					\
> +		     sizeof(sense) != SCSI_SENSE_BUFFERSIZE);		\
> +	__scsi_execute(sdev, cmd, data_direction, buffer, bufflen,	\
> +		       sense, sshdr, timeout, retries, flags, rq_flags,	\
> +		       resid);						\
> +})

This macro gets evaluated in the scsi_execute_req inline function just
below.  So either we need to include scsi_sense.h/scsi_common.h in
scsi_device.h, or just move scsi_execute_req out of line.  The latter
sounds better to me a it's not really used in a fast path.