From 01a111f4472728e524430486c594bf58bb10d98d Mon Sep 17 00:00:00 2001 From: Edward Tomasz Napierala Date: Tue, 1 Apr 2014 21:54:20 +0000 Subject: Use atomic ops instead of mutexes where appropriate. Submitted by: mav@ Sponsored by: The FreeBSD Foundation --- sys/cam/ctl/ctl_frontend_iscsi.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'sys/cam') diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index b5744f292d6e..63a1c951284c 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -967,9 +967,7 @@ cfiscsi_callout(void *context) callout_schedule(&cs->cs_callout, 1 * hz); - CFISCSI_SESSION_LOCK(cs); - cs->cs_timeout++; - CFISCSI_SESSION_UNLOCK(cs); + atomic_add_int(&cs->cs_timeout, 1); #ifdef ICL_KERNEL_PROXY if (cs->cs_waiting_for_ctld || cs->cs_login_phase) { @@ -2522,10 +2520,8 @@ cfiscsi_datamove_out(union ctl_io *io) */ PDU_TOTAL_TRANSFER_LEN(request) = io->scsiio.kern_total_len; - CFISCSI_SESSION_LOCK(cs); - target_transfer_tag = cs->cs_target_transfer_tag; - cs->cs_target_transfer_tag++; - CFISCSI_SESSION_UNLOCK(cs); + target_transfer_tag = + atomic_fetchadd_32(&cs->cs_target_transfer_tag, 1); #if 0 CFISCSI_SESSION_DEBUG(cs, "expecting Data-Out with initiator " -- cgit v1.2.3