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author <jejb@titanic.il.steeleye.com>2005-04-12 17:49:09 -0500
committerJames Bottomley <jejb@titanic>2005-04-16 20:16:08 -0500
commit686579d95d48c713bdb7008cc76af8398219e687 (patch)
tree200694afba54d5b9cec984e52689943766eea119 /include
parent91bbfbda8d41f834c70c47d6f8c95245c90019e5 (diff)
scsi: add DID_REQUEUE to the error handling
We have a DID_IMM_RETRY to require a retry at once, but we could do with a DID_REQUEUE to instruct the mid-layer to treat this command in the same manner as QUEUE_FULL or BUSY (i.e. halt the submission until another command returns ... or the queue pressure builds if there are no outstanding commands). Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include')
-rw-r--r--include/scsi/scsi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 3507b3d7c0e..659ecf48fb4 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -295,6 +295,8 @@ struct scsi_lun {
#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
#define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */
+#define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also
+ * without decrementing the retry count */
#define DRIVER_OK 0x00 /* Driver status */
/*