diff options
author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-02-03 20:54:39 (GMT) |
---|---|---|
committer | Jiri Slaby <jslaby@suse.cz> | 2014-03-22 21:01:58 (GMT) |
commit | 2f82fa987df6b060241fc760eadf5dd02c51a979 (patch) | |
tree | a1ff3afb8f0baaf97fd9eb22582913dbf8824da5 /drivers/target/iscsi | |
parent | e150903c747b642896a2807a4567faa7f002f3a7 (diff) | |
download | linux-fsl-qoriq-2f82fa987df6b060241fc760eadf5dd02c51a979.tar.xz |
iscsi/iser-target: Fix isert_conn->state hung shutdown issues
commit defd884845297fd5690594bfe89656b01f16d87e upstream.
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>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/target/iscsi')
-rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index e12845a..b5e5746 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4194,6 +4194,10 @@ int iscsit_close_connection( iscsit_stop_timers_for_cmds(conn); iscsit_stop_nopin_response_timer(conn); iscsit_stop_nopin_timer(conn); + + if (conn->conn_transport->iscsit_wait_conn) + conn->conn_transport->iscsit_wait_conn(conn); + iscsit_free_queue_reqs_for_conn(conn); /* |