Add support to set the sdev state to SDEV_BLOCK during device removal
to stop IOs comming to the deleting driver immediately.
Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxx>
---
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 1b7f550..c20bbe4 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1075,6 +1075,19 @@ mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
return 0;
}
+static void
+mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
+{
+ scsi_device_set_state(sdev, SDEV_BLOCK);
+}
+
+static void
+mptsas_block_io_starget(struct scsi_target *starget)
+{
+ if (starget)
+ starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
+}
+
/**
* mptsas_target_reset_queue
*
@@ -1098,10 +1111,11 @@ mptsas_target_reset_queue(MPT_ADAPTER *ioc,
id = sas_event_data->TargetID;
channel = sas_event_data->Bus;
- if (!(vtarget = mptsas_find_vtarget(ioc, channel, id)))
- return;
-
- vtarget->deleted = 1; /* block IO */
+ vtarget = mptsas_find_vtarget(ioc, channel, id);
+ if (vtarget) {
+ mptsas_block_io_starget(vtarget->starget);
+ vtarget->deleted = 1; /* block IO */
+ }
target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
GFP_ATOMIC);
@@ -1868,7 +1882,8 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
if (ioc->sas_discovery_quiesce_io)
return SCSI_MLQUEUE_HOST_BUSY;
-// scsi_print_command(SCpnt);
+ if (ioc->debug_level & MPT_DEBUG_SCSI)
+ scsi_print_command(SCpnt);
return mptscsih_qcmd(SCpnt,done);
}
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