Nicholas Bellinger b2cb96494d iser-target: Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED ... This patch addresses a bug where RDMA_CM_EVENT_DISCONNECTED may occur before the connection shutdown has been completed by rx/tx threads, that causes isert_free_conn() to wait indefinately on ->conn_wait. This patch allows isert_disconnect_work code to invoke rdma_disconnect when isert_disconnect_work() process context is started by client session reset before isert_free_conn() code has been reached. It also adds isert_conn->conn_mutex protection for ->state within isert_disconnect_work(), isert_cq_comp_err() and isert_free_conn() code, along with isert_check_state() for wait_event usage. (v2: Add explicit iscsit_cause_connection_reinstatement call during isert_disconnect_work() to force conn reset) Cc: stable@vger.kernel.org # 3.10+ Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>		2013-07-07 18:35:56 -07:00
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iscsi_transport.h	iser-target: Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED	2013-07-07 18:35:56 -07:00