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authorMike Christie <michael.christie@oracle.com>2021-05-25 13:17:55 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2021-06-02 01:28:19 -0400
commit891e2639deae721dc43764a44fa255890dc34313 (patch)
tree330dde25d78117fd56298b4e8eed8e74fabffd2f /drivers/scsi/bnx2i
parent1486a4f5c2f35da5743b56037b8bbfb4eb38fa61 (diff)
scsi: iscsi: Stop queueing during ep_disconnect
During ep_disconnect we have been doing iscsi_suspend_tx/queue to block new I/O but every driver except cxgbi and iscsi_tcp can still get I/O from __iscsi_conn_send_pdu() if we haven't called iscsi_conn_failure() before ep_disconnect. This could happen if we were terminating the session, and the logout timed out before it was even sent to libiscsi. Fix the issue by adding a helper which reverses the bind_conn call that allows new I/O to be queued. Drivers implementing ep_disconnect can use this to make sure new I/O is not queued to them when handling the disconnect. Link: https://lore.kernel.org/r/20210525181821.7617-3-michael.christie@oracle.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/bnx2i')
-rw-r--r--drivers/scsi/bnx2i/bnx2i_iscsi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 1e6d8f62ea3c..b6c1da46d582 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -2276,6 +2276,7 @@ struct iscsi_transport bnx2i_iscsi_transport = {
.destroy_session = bnx2i_session_destroy,
.create_conn = bnx2i_conn_create,
.bind_conn = bnx2i_conn_bind,
+ .unbind_conn = iscsi_conn_unbind,
.destroy_conn = bnx2i_conn_destroy,
.attr_is_visible = bnx2i_attr_is_visible,
.set_param = iscsi_set_param,