[SCSI] libfc: add local port hook for provider session lookup
The target provider needs a per-instance lookup table
or other way to lookup sessions quickly without going through
a linear list or serializing too much.
Add a simple void * array indexed by FC-4 type to the fc_lport.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Committed-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 3b8f5d8..a9aff25 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -805,6 +805,7 @@
* @lp_mutex: Mutex to protect the local port
* @list: Handle for list of local ports
* @retry_work: Handle to local port for delayed retry context
+ * @prov: Pointers available for use by passive FC-4 providers
*/
struct fc_lport {
/* Associations */
@@ -860,6 +861,7 @@
struct mutex lp_mutex;
struct list_head list;
struct delayed_work retry_work;
+ void *prov[FC_FC4_PROV_SIZE];
};
/**