[SCSI] mptsas: support basic hotplug

Adds hotplug support for SAS end devices. Unfortunately the fusion firmware doesn't generate similar events for expanders addition/removal so we can't support them yet. Eric has an idea about a clever scheme to find out about expander changes so that'll be added later on. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
git-mirror · Jan 14, 2006 · 9a28f49 · 9a28f49
1 parent 9638d89
commit 9a28f49
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diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
@@ -612,6 +612,7 @@ typedef struct _MPT_ADAPTER
 	struct list_head	 list;
 	struct net_device	*netdev;
 	struct list_head	 sas_topology;
+	struct mutex		 sas_topology_mutex;
 	MPT_SAS_MGMT		 sas_mgmt;
 } MPT_ADAPTER;