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defd884845
linux/drivers/target/iscsi
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Nicholas Bellinger defd884845 iscsi/iser-target: Fix isert_conn->state hung shutdown issues 
This patch addresses a couple of different hug shutdown issues
related to wait_event() + isert_conn->state.  First, it changes
isert_conn->conn_wait + isert_conn->conn_wait_comp_err from
waitqueues to completions, and sets ISER_CONN_TERMINATING from
within isert_disconnect_work().

Second, it splits isert_free_conn() into isert_wait_conn() that
is called earlier in iscsit_close_connection() to ensure that
all outstanding commands have completed before continuing.

Finally, it breaks isert_cq_comp_err() into seperate TX / RX
related code, and adds logic in isert_cq_rx_comp_err() to wait
for outstanding commands to complete before setting ISER_CONN_DOWN
and calling complete(&isert_conn->conn_wait_comp_err).

Acked-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-03-04 17:54:09 -08:00
..
iscsi_target_auth.c iscsi-target: chap auth shouldn't match username with trailing garbage 2013-11-20 22:03:57 -08:00
iscsi_target_auth.h
iscsi_target_configfs.c iscsi-target: return -EINVAL on oversized configfs parameter 2013-12-11 10:59:33 -08:00
iscsi_target_configfs.h
iscsi_target_core.h iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_datain_values.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_datain_values.h
iscsi_target_device.c iscsi-target: Fix mutex_trylock usage in iscsit_increment_maxcmdsn 2013-11-12 17:54:56 -08:00
iscsi_target_device.h target/iscsi: Remove unneeded wrapper functions 2012-02-25 14:37:47 -08:00
iscsi_target_erl0.c iscsi-target: Convert iscsi_session statistics to atomic_long_t 2013-11-19 21:38:52 -08:00
iscsi_target_erl0.h
iscsi_target_erl1.c iscsi-target: Fix SNACK Type 1 + BegRun=0 handling 2014-02-12 15:11:17 -08:00
iscsi_target_erl1.h iscsit: use the itt_t abstract type 2012-10-03 14:21:50 -07:00
iscsi_target_erl2.c iscsi/iser-target: Use list_del_init for ->i_conn_node 2014-03-04 17:54:09 -08:00
iscsi_target_erl2.h iscsit: proper endianess conversions 2012-10-03 14:39:22 -07:00
iscsi_target_login.c iscsi-target: Fix incorrect np->np_thread NULL assignment 2013-12-19 00:18:25 -08:00
iscsi_target_login.h iscsi-target: Prepare login code for multi-plexing support 2013-09-09 13:34:09 -07:00
iscsi_target_nego.c iscsi-target: Pre-allocate more tags to avoid ack starvation 2014-01-19 10:59:05 +00:00
iscsi_target_nego.h iscsi-target: Initial traditional TCP conversion to iscsit_transport 2013-04-25 01:05:26 -07:00
iscsi_target_nodeattrib.c iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_nodeattrib.h iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_parameters.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_parameters.h iscsi-target: fix heap buffer overflow on error 2013-05-30 18:07:54 -07:00
iscsi_target_seq_pdu_list.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_seq_pdu_list.h target/iscsi: Fold _decide_list_to_build into _build_pdu_and_seq_lists 2012-04-14 17:40:38 -07:00
iscsi_target_stat.c iscsi-target: Convert iscsi_session statistics to atomic_long_t 2013-11-19 21:38:52 -08:00
iscsi_target_stat.h
iscsi_target_tmr.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tmr.h
iscsi_target_tpg.c iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug 2014-03-04 17:54:09 -08:00
iscsi_target_tpg.h iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_tq.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tq.h iscsi-target: Add thread_set->ts_activate_sem + use common deallocate 2013-09-10 20:23:05 -07:00
iscsi_target_transport.c iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00
iscsi_target_util.c iscsi-target: Convert gfp_t parameter to task state bitmask 2014-01-25 06:58:52 +00:00
iscsi_target_util.h iscsi-target: Convert gfp_t parameter to task state bitmask 2014-01-25 06:58:52 +00:00
iscsi_target.c iscsi/iser-target: Fix isert_conn->state hung shutdown issues 2014-03-04 17:54:09 -08:00
iscsi_target.h iscsi/iser-target: Convert to command priv_size usage 2013-09-09 14:29:21 -07:00
Kconfig target: iscsi_target depends on NET 2011-07-28 20:16:18 +00:00
Makefile iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00