> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> index a344220..49b0c52 100644
> --- a/drivers/scsi/sd.c
> +++ b/drivers/scsi/sd.c
> @@ -1278,8 +1278,32 @@ static int sd_sync_cache(struct scsi_disk *sdkp)
>
> if (res) {
> sd_print_result(sdkp, res);
> +
> if (driver_byte(res) & DRIVER_SENSE)
> sd_print_sense_hdr(sdkp, &sshdr);
> + /* we need to evaluate the error return */
> + if ((scsi_sense_valid(&sshdr) &&
> + /* 0x3a is medium not present */
> + sshdr.asc == 0x3a))
> + /* this is no error here */
> + return 0;
> +
> + switch (host_byte(res)) {
> + /* ignore errors due to racing a disconnection */
> + case DID_BAD_TARGET:
> + case DID_NO_CONNECT:
> + return 0;
> + /* signal the upper layer it might try again */
> + case DID_BUS_BUSY:
> + case DID_IMM_RETRY:
> + case DID_REQUEUE:
> + case DID_SOFT_ERROR:
> + return -EBUSY;
> + default:
> + return -EIO;
Could we have all the host/scsi-ml to -EXYZ error conversions put in one
place like __scsi_error_from_host_byte()?
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