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[SCSI] libfc: add local port hook for provider session lookup

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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>
This commit is contained in:
Joe Eykholt 2011-01-28 16:04:13 -08:00 committed by James Bottomley
parent 1a5c2d7e5c
commit baf9fdf076
1 changed files with 2 additions and 0 deletions
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include/scsi/libfc.h
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@ -805,6 +805,7 @@ struct fc_disc {
* @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 fc_lport {
struct mutex lp_mutex;
struct list_head list;
struct delayed_work retry_work;
void *prov[FC_FC4_PROV_SIZE];
};
/**