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9d49f5e284
In ungraceful teardowns isert close flows seem racy such that isert_wait_conn hangs as RDMA_CM_EVENT_DISCONNECTED never gets invoked (no one called rdma_disconnect). Both graceful and ungraceful teardowns will have rx flush errors (isert posts a batch once connection is established). Once all flush errors are consumed we invoke isert_wait_conn and it will be responsible for calling rdma_disconnect. This way it can be sure that rdma_disconnect was called and it won't wait forever. This patch also removes the logout_posted indicator. either the logout completion was consumed and no problem decrementing the post_send_buf_count, or it was consumed as a flush error. no point of keeping it for isert_wait_conn as there is no danger that isert_conn will be accidentally removed while it is running. (Drop unnecessary sleep_on_conn_wait_comp check in isert_cq_rx_comp_err - nab) Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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