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authorNicholas Bellinger <nab@linux-iscsi.org>2014-02-03 12:54:39 -0800
committerNicholas Bellinger <nab@linux-iscsi.org>2014-03-04 17:54:09 -0800
commitdefd884845297fd5690594bfe89656b01f16d87e (patch)
treeb8ae8a15462e2ccc2e0a6c1c1f7ace6507a47aa5 /include
parent5159d763f60af693a3fcec45dce2021f66e528a4 (diff)
downloadlinux-linaro-stable-defd884845297fd5690594bfe89656b01f16d87e.tar.gz
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>
Diffstat (limited to 'include')
-rw-r--r--include/target/iscsi/iscsi_transport.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index ae5a17111968..4483fadfa68d 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -12,6 +12,7 @@ struct iscsit_transport {
int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *);
int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
void (*iscsit_free_np)(struct iscsi_np *);
+ void (*iscsit_wait_conn)(struct iscsi_conn *);
void (*iscsit_free_conn)(struct iscsi_conn *);
int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);