From: Yi Zou <yi.zou@xxxxxxxxx>
This is very helpful to match up the corresponding exchange to the actual I/O
described by the fsp, particularly when you do a side-by-side comparison of
the syslog with your trace.
Signed-off-by: Yi Zou <yi.zou@xxxxxxxxx>
Signed-off-by: Robert Love <robert.w.love@xxxxxxxxx>
---
drivers/scsi/libfc/fc_libfc.h | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h
index 16d2162..eea0c35 100644
--- a/drivers/scsi/libfc/fc_libfc.h
+++ b/drivers/scsi/libfc/fc_libfc.h
@@ -66,9 +66,21 @@ extern unsigned int fc_debug_logging;
#define FC_FCP_DBG(pkt, fmt, args...) \
FC_CHECK_LOGGING(FC_FCP_LOGGING, \
- printk(KERN_INFO "host%u: fcp: %6.6x: " fmt, \
+ { \
+ if ((pkt)->seq_ptr) { \
+ struct fc_exch *_ep = NULL; \
+ _ep = fc_seq_exch((pkt)->seq_ptr); \
+ printk(KERN_INFO "host%u: fcp: %6.6x: " \
+ "xid %04x-%04x: " fmt, \
(pkt)->lp->host->host_no, \
- pkt->rport->port_id, ##args))
+ (pkt)->rport->port_id, \
+ (_ep)->oxid, (_ep)->rxid, ##args); \
+ } else { \
+ printk(KERN_INFO "host%u: fcp: %6.6x: " fmt, \
+ (pkt)->lp->host->host_no, \
+ (pkt)->rport->port_id, ##args); \
+ } \
+ })
#define FC_EXCH_DBG(exch, fmt, args...) \
FC_CHECK_LOGGING(FC_EXCH_LOGGING, \
--
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