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scsi: target: split out helper for cxn timeout error stashing 

Replace existing nested code blocks with helper function calls.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
David Disseldorp 2018-10-14 01:13:54 +02:00 committed by Martin K. Petersen
parent c62ae3005b
commit dce6190ca7
3 changed files with 22 additions and 30 deletions
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15
drivers/target/iscsi/iscsi_target_erl0.c
View File

@ -770,21 +770,8 @@ void iscsit_handle_time2retain_timeout(struct timer_list *t)
pr_err("Time2Retain timer expired for SID: %u, cleaning up"
" iSCSI session.\n", sess->sid);
{
struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
if (tiqn) {
spin_lock(&tiqn->sess_err_stats.lock);
strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
(void *)sess->sess_ops->InitiatorName);
tiqn->sess_err_stats.last_sess_failure_type =
ISCSI_SESS_ERR_CXN_TIMEOUT;
tiqn->sess_err_stats.cxn_timeout_errors++;
atomic_long_inc(&sess->conn_timeout_errors);
spin_unlock(&tiqn->sess_err_stats.lock);
}
}
iscsit_fill_cxn_timeout_err_stats(sess);
spin_unlock_bh(&se_tpg->session_lock);
iscsit_close_session(sess);
}

36
drivers/target/iscsi/iscsi_target_util.c
View File

@ -933,22 +933,7 @@ void iscsit_handle_nopin_response_timeout(struct timer_list *t)
conn->nopin_response_timer_flags &= ~ISCSI_TF_RUNNING;
spin_unlock_bh(&conn->nopin_timer_lock);
{
struct iscsi_portal_group *tpg = conn->sess->tpg;
struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
if (tiqn) {
spin_lock_bh(&tiqn->sess_err_stats.lock);
strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
conn->sess->sess_ops->InitiatorName);
tiqn->sess_err_stats.last_sess_failure_type =
ISCSI_SESS_ERR_CXN_TIMEOUT;
tiqn->sess_err_stats.cxn_timeout_errors++;
atomic_long_inc(&conn->sess->conn_timeout_errors);
spin_unlock_bh(&tiqn->sess_err_stats.lock);
}
}
iscsit_fill_cxn_timeout_err_stats(sess);
iscsit_cause_connection_reinstatement(conn, 0);
iscsit_dec_conn_usage_count(conn);
}
@ -1407,3 +1392,22 @@ struct iscsi_tiqn *iscsit_snmp_get_tiqn(struct iscsi_conn *conn)
return tpg->tpg_tiqn;
}
void iscsit_fill_cxn_timeout_err_stats(struct iscsi_session *sess)
{
struct iscsi_portal_group *tpg = sess->tpg;
struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
if (!tiqn)
return;
spin_lock_bh(&tiqn->sess_err_stats.lock);
strlcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
sess->sess_ops->InitiatorName,
sizeof(tiqn->sess_err_stats.last_sess_fail_rem_name));
tiqn->sess_err_stats.last_sess_failure_type =
ISCSI_SESS_ERR_CXN_TIMEOUT;
tiqn->sess_err_stats.cxn_timeout_errors++;
atomic_long_inc(&sess->conn_timeout_errors);
spin_unlock_bh(&tiqn->sess_err_stats.lock);
}

1
drivers/target/iscsi/iscsi_target_util.h
View File

@ -67,5 +67,6 @@ extern int rx_data(struct iscsi_conn *, struct kvec *, int, int);
extern int tx_data(struct iscsi_conn *, struct kvec *, int, int);
extern void iscsit_collect_login_stats(struct iscsi_conn *, u8, u8);
extern struct iscsi_tiqn *iscsit_snmp_get_tiqn(struct iscsi_conn *);
extern void iscsit_fill_cxn_timeout_err_stats(struct iscsi_session *);
#endif /*** ISCSI_TARGET_UTIL_H ***/