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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: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
hifive-unleashed-5.1
Vasu Dev 2010-03-12 16:08:39 -08:00 committed by James Bottomley
parent a104c84457
commit 3e22760d4d
1 changed files with 5 additions and 10 deletions
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15
drivers/scsi/libfc/fc_exch.c
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@ -734,19 +734,14 @@ err:
* 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,
struct fc_frame *fp)
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;
}