[PATCH RFC v3 35/41] libsas: add SCSI target pointer to struct domain_device

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Add a pointer to the SCSI target which corresponds to the
domain device.

Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
 drivers/scsi/libsas/sas_scsi_host.c | 2 ++
 include/scsi/libsas.h               | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9e0975e55c27..c5a430e3fa2d 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -830,6 +830,7 @@ int sas_target_alloc(struct scsi_target *starget)
 
 	kref_get(&found_dev->kref);
 	starget->hostdata = found_dev;
+	found_dev->starget = starget;
 	return 0;
 }
 
@@ -919,6 +920,7 @@ void sas_target_destroy(struct scsi_target *starget)
 		return;
 
 	starget->hostdata = NULL;
+	found_dev->starget = NULL;
 	sas_put_device(found_dev);
 }
 
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 4e2d61e8fb1e..2d9bc4882930 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -175,6 +175,7 @@ struct domain_device {
 
 	struct domain_device *parent;
 	struct list_head siblings; /* devices on the same level */
+	struct scsi_target *starget; /* Corresponding SCSI target device */
 	struct asd_sas_port *port;        /* shortcut to root of the tree */
 	struct sas_phy *phy;
 
-- 
2.16.4




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