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Commit 3e22760d authored by Vasu Dev's avatar Vasu Dev Committed by James Bottomley
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[SCSI] libfc: use offload EM instance again instead jumping to next EM 



Since use of offloads is more efficient than switching
to non-offload EM. However kept logic same to call em_match
if it is provided in the list of EMs.

Converted fc_exch_alloc to inline being now tiny a function
and already not an exported libfc API any more.

Signed-off-by: default avatarVasu Dev <vasu.dev@intel.com>
Signed-off-by: default avatarRobert Love <robert.w.love@intel.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent a104c844

drivers/scsi/libfc/fc_exch.c

+5 −10
Original line number Diff line number Diff line
@@ -734,19 +734,14 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport, 
 * EM is selected when a NULL match function pointer is encountered

 * or when a call to a match function returns true.

 */

static struct fc_exch *fc_exch_alloc(struct fc_lport *lport,

static inline struct fc_exch *fc_exch_alloc(struct fc_lport *lport,

					    struct fc_frame *fp)

{

	struct fc_exch_mgr_anchor *ema;

	struct fc_exch *ep;



	list_for_each_entry(ema, &lport->ema_list, ema_list) {

		if (!ema->match || ema->match(fp)) {

			ep = fc_exch_em_alloc(lport, ema->mp);

			if (ep)

				return ep;

		}

	}

	list_for_each_entry(ema, &lport->ema_list, ema_list)

		if (!ema->match || ema->match(fp))

			return fc_exch_em_alloc(lport, ema->mp);

	return NULL;

}