[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>
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@ -805,6 +805,7 @@ struct fc_disc {
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* @lp_mutex: Mutex to protect the local port
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* @list: Handle for list of local ports
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* @retry_work: Handle to local port for delayed retry context
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* @prov: Pointers available for use by passive FC-4 providers
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*/
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struct fc_lport {
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/* Associations */
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@ -860,6 +861,7 @@ struct fc_lport {
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struct mutex lp_mutex;
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struct list_head list;
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struct delayed_work retry_work;
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void *prov[FC_FC4_PROV_SIZE];
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};
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/**
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