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 <h...@suse.de>
---
drivers/scsi/scsi_error.c | 4 ++++
include/linux/blkdev.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d708067..e76e895 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -163,6 +163,10 @@ enum blk_eh_timer_return scsi_times_out(struct request
*req)
else if (host->hostt->eh_timed_out)
rtn = host->hostt->eh_timed_out(scmd);
+ /* Check for asynchronous command aborts */
+ if (rtn == BLK_EH_SCHEDULED)
+ return BLK_EH_NOT_HANDLED;
+
scmd->result |= DID_TIME_OUT << 16;
if (unlikely(rtn == BLK_EH_NOT_HANDLED &&
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
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