[SCSI] mptfusion: block device when target is being removed by FW
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@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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e0f553ab58
Коммит
64e155adc2
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@ -1075,6 +1075,19 @@ mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
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return 0;
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}
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static void
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mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
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{
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scsi_device_set_state(sdev, SDEV_BLOCK);
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}
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static void
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mptsas_block_io_starget(struct scsi_target *starget)
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{
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if (starget)
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starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
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}
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/**
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* mptsas_target_reset_queue
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*
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@ -1098,10 +1111,11 @@ mptsas_target_reset_queue(MPT_ADAPTER *ioc,
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id = sas_event_data->TargetID;
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channel = sas_event_data->Bus;
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if (!(vtarget = mptsas_find_vtarget(ioc, channel, id)))
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return;
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vtarget->deleted = 1; /* block IO */
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vtarget = mptsas_find_vtarget(ioc, channel, id);
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if (vtarget) {
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mptsas_block_io_starget(vtarget->starget);
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vtarget->deleted = 1; /* block IO */
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}
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target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
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GFP_ATOMIC);
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@ -1868,7 +1882,8 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
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if (ioc->sas_discovery_quiesce_io)
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return SCSI_MLQUEUE_HOST_BUSY;
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// scsi_print_command(SCpnt);
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if (ioc->debug_level & MPT_DEBUG_SCSI)
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scsi_print_command(SCpnt);
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return mptscsih_qcmd(SCpnt,done);
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}
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