On Thu, 6 June 2013 11:43:53 +0200, Hannes Reinecke wrote:
>
> Add a 'BLK_EH_SCHEDULED' return code for blk-timeout to indicate
> that a delayed error recovery has been initiated.
>
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Since the patch I tested diverged from your patches 2-4, this is only
Acked-by: Joern Enge <joern@xxxxxxxxx>
> ---
> drivers/scsi/scsi_error.c | 3 +++
> include/linux/blkdev.h | 1 +
> 2 files changed, 4 insertions(+)
>
> diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
> index f43de1e..96b4bb6 100644
> --- a/drivers/scsi/scsi_error.c
> +++ b/drivers/scsi/scsi_error.c
> @@ -146,6 +146,9 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
> rtn = host->hostt->eh_timed_out(scmd);
>
> scmd->result |= DID_TIME_OUT << 16;
> + /* Check for delayed EH scheduling */
> + if (rtn == BLK_EH_SCHEDULED)
> + return BLK_EH_NOT_HANDLED;
>
> if (unlikely(rtn == BLK_EH_NOT_HANDLED &&
> !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)))
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 2fdb4a4..d846e2b 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -238,6 +238,7 @@ enum blk_eh_timer_return {
> BLK_EH_NOT_HANDLED,
> BLK_EH_HANDLED,
> BLK_EH_RESET_TIMER,
> + BLK_EH_SCHEDULED,
> };
>
> typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *);
> --
> 1.7.12.4
>
Jörn
--
Geld macht nicht glücklich.
Glück macht nicht satt.
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