From 04f3b31bff720f01d684100c868c88f67ced8dc8 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Wed, 13 Nov 2013 18:54:45 -0800 Subject: iscsi-target: Convert iscsi_session statistics to atomic_long_t This patch converts a handful of iscsi_session statistics to type atomic_long_t, instead of using iscsi_session->session_stats_lock when incrementing these values. More importantly, go ahead and drop the spinlock usage within iscsit_setup_scsi_cmd(), iscsit_check_dataout_hdr(), iscsit_send_datain(), and iscsit_build_rsp_pdu() fast-path code. (Squash in Roland's target: Remove write-only stats fields and lock from struct se_node_acl) Signed-off-by: Nicholas Bellinger --- drivers/target/iscsi/iscsi_target_erl0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/target/iscsi/iscsi_target_erl0.c') diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index cbea7f16d625..0d1e6ee3e992 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -785,7 +785,7 @@ static void iscsit_handle_time2retain_timeout(unsigned long data) tiqn->sess_err_stats.last_sess_failure_type = ISCSI_SESS_ERR_CXN_TIMEOUT; tiqn->sess_err_stats.cxn_timeout_errors++; - sess->conn_timeout_errors++; + atomic_long_inc(&sess->conn_timeout_errors); spin_unlock(&tiqn->sess_err_stats.lock); } } -- cgit v1.2.3-59-g8ed1b