OpenCloudOS-Kernel/drivers/scsi/cxgbi/cxgb4i
Mike Christie 891e2639de 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>
2021-06-02 01:28:19 -04:00
..
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig scsi: cxgb4i: Fix TLS dependency 2020-12-09 12:14:41 -05:00
cxgb4i.c scsi: iscsi: Stop queueing during ep_disconnect 2021-06-02 01:28:19 -04:00
cxgb4i.h cxgb4, cxgb4i: move struct cpl_rx_data_ddp definition 2016-03-22 00:25:04 -07:00