From bf81623542332bc2cedf3db49cbb2edb724780d2 Mon Sep 17 00:00:00 2001 From: Kei Tokunaga Date: Thu, 1 Apr 2010 20:41:40 +0900 Subject: [SCSI] add scsi trace core functions and put trace points Signed-off-by: Xiao Guangrong Signed-off-by: Tomohiro Kusumi Signed-off-by: Kei Tokunaga Signed-off-by: James Bottomley --- drivers/scsi/scsi.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/scsi/scsi.c') diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 1c08f616465..ad0ed212db4 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -67,6 +67,9 @@ #include "scsi_priv.h" #include "scsi_logging.h" +#define CREATE_TRACE_POINTS +#include + static void scsi_done(struct scsi_cmnd *cmd); /* @@ -747,10 +750,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) cmd->result = (DID_NO_CONNECT << 16); scsi_done(cmd); } else { + trace_scsi_dispatch_cmd_start(cmd); rtn = host->hostt->queuecommand(cmd, scsi_done); } spin_unlock_irqrestore(host->host_lock, flags); if (rtn) { + trace_scsi_dispatch_cmd_error(cmd, rtn); if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && rtn != SCSI_MLQUEUE_TARGET_BUSY) rtn = SCSI_MLQUEUE_HOST_BUSY; @@ -781,6 +786,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) */ static void scsi_done(struct scsi_cmnd *cmd) { + trace_scsi_dispatch_cmd_done(cmd); blk_complete_request(cmd->request); } -- cgit v1.2.3