History

scsi: RDMA/isert: Fix a recently introduced regression related to logout

iscsit_close_connection() calls isert_wait_conn(). Due to commit e9d3009cb936 both functions call target_wait_for_sess_cmds() although that last function should be called only once. Fix this by removing the target_wait_for_sess_cmds() call from isert_wait_conn() and by only calling isert_wait_conn() after target_wait_for_sess_cmds().

Bart Van Assche committed 6 years ago

Commit 04060db1 parent 0e220962 files · +3 −15Browse files

Unified · Split

2 files
  1. drivers/infiniband/ulp/isert/ib_isert.c +0 −12
  2. drivers/target/iscsi/iscsi_target.c +3 −3
drivers/infiniband/ulp/isert/ib_isert.c+0−12
@@ -2575,17 +2575,6 @@ isert_wait4logout(struct isert_conn *isert_conn) · 2574 unmodified lines
25752575 }
25762576 }
25772577
2578−static void
2579−isert_wait4cmds(struct iscsi_conn *conn)
2580−{
2581− isert_info("iscsi_conn %p\n", conn);
2582−
2583− if (conn->sess) {
2584− target_sess_cmd_list_set_waiting(conn->sess->se_sess);
2585− target_wait_for_sess_cmds(conn->sess->se_sess);
2586− }
2587−}
2588−
25892578 /**
25902579 * isert_put_unsol_pending_cmds() - Drop commands waiting for
25912580 * unsolicitate dataout
@@ -2633,7 +2622,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) · 41 unmodified lines
26332622
26342623 ib_drain_qp(isert_conn->qp);
26352624 isert_put_unsol_pending_cmds(conn);
2636− isert_wait4cmds(conn);
26372625 isert_wait4logout(isert_conn);
26382626
26392627 queue_work(isert_release_wq, &isert_conn->release_work);
drivers/target/iscsi/iscsi_target.c+3−3
@@ -4149,9 +4149,6 @@ int iscsit_close_connection( · 4148 unmodified lines
41494149 iscsit_stop_nopin_response_timer(conn);
41504150 iscsit_stop_nopin_timer(conn);
41514151
4152− if (conn->conn_transport->iscsit_wait_conn)
4153− conn->conn_transport->iscsit_wait_conn(conn);
4154−
41554152 /*
41564153 * During Connection recovery drop unacknowledged out of order
41574154 * commands for this connection, and prepare the other commands
@@ -4237,6 +4234,9 @@ int iscsit_close_connection( · 79 unmodified lines
42374234 target_sess_cmd_list_set_waiting(sess->se_sess);
42384235 target_wait_for_sess_cmds(sess->se_sess);
42394236
4237+ if (conn->conn_transport->iscsit_wait_conn)
4238+ conn->conn_transport->iscsit_wait_conn(conn);
4239+
42404240 ahash_request_free(conn->conn_tx_hash);
42414241 if (conn->conn_rx_hash) {
42424242 struct crypto_ahash *tfm;

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