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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
2575 }2575 }
2576}2576}
2577 2577
2578static void
2579isert_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
2589/**2578/**
2590 * isert_put_unsol_pending_cmds() - Drop commands waiting for2579 * isert_put_unsol_pending_cmds() - Drop commands waiting for
2591 * unsolicitate dataout2580 * unsolicitate dataout
@@ -2633,7 +2622,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) · 41 unmodified lines
2633 2622
2634 ib_drain_qp(isert_conn->qp);2623 ib_drain_qp(isert_conn->qp);
2635 isert_put_unsol_pending_cmds(conn);2624 isert_put_unsol_pending_cmds(conn);
2636 isert_wait4cmds(conn);
2637 isert_wait4logout(isert_conn);2625 isert_wait4logout(isert_conn);
2638 2626
2639 queue_work(isert_release_wq, &isert_conn->release_work);2627 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
4149 iscsit_stop_nopin_response_timer(conn);4149 iscsit_stop_nopin_response_timer(conn);
4150 iscsit_stop_nopin_timer(conn);4150 iscsit_stop_nopin_timer(conn);
4151 4151
4152 if (conn->conn_transport->iscsit_wait_conn)
4153 conn->conn_transport->iscsit_wait_conn(conn);
4154
4155 /*4152 /*
4156 * During Connection recovery drop unacknowledged out of order4153 * During Connection recovery drop unacknowledged out of order
4157 * commands for this connection, and prepare the other commands4154 * commands for this connection, and prepare the other commands
@@ -4237,6 +4234,9 @@ int iscsit_close_connection( · 79 unmodified lines
4237 target_sess_cmd_list_set_waiting(sess->se_sess);4234 target_sess_cmd_list_set_waiting(sess->se_sess);
4238 target_wait_for_sess_cmds(sess->se_sess);4235 target_wait_for_sess_cmds(sess->se_sess);
4239 4236
4237 if (conn->conn_transport->iscsit_wait_conn)
4238 conn->conn_transport->iscsit_wait_conn(conn);
4239
4240 ahash_request_free(conn->conn_tx_hash);4240 ahash_request_free(conn->conn_tx_hash);
4241 if (conn->conn_rx_hash) {4241 if (conn->conn_rx_hash) {
4242 struct crypto_ahash *tfm;4242 struct crypto_ahash *tfm;

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