From 131e6abc674edb9f9a59090bb35bf6650569b7e7 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Sat, 22 Mar 2014 14:55:56 -0700 Subject: target: Add TFO->abort_task for aborted task resources release Now that TASK_ABORTED status is not generated for all cases by TMR ABORT_TASK + LUN_RESET, a new TFO->abort_task() caller is necessary in order to give fabric drivers a chance to unmap hardware / software resources before the se_cmd descriptor is released via the normal TFO->release_cmd() codepath. This patch adds TFO->aborted_task() in core_tmr_abort_task() in place of the original transport_send_task_abort(), and also updates all fabric drivers to implement this caller. The fabric drivers that include changes to perform cleanup via ->aborted_task() are: - iscsi-target - iser-target - srpt - tcm_qla2xxx The fabric drivers that currently set ->aborted_task() to NOPs are: - loopback - tcm_fc - usb-gadget - sbp-target - vhost-scsi For the latter five, there appears to be no additional cleanup required before invoking TFO->release_cmd() to release the se_cmd descriptor. v2 changes: - Move ->aborted_task() call into transport_cmd_finish_abort (Alex) Cc: Alex Leung Cc: Mark Rustad Cc: Roland Dreier Cc: Vu Pham Cc: Chris Boot Cc: Sebastian Andrzej Siewior Cc: Michael S. Tsirkin Cc: Giridhar Malavali Cc: Saurav Kashyap Cc: Quinn Tran Cc: Sagi Grimberg Cc: Or Gerlitz Signed-off-by: Nicholas Bellinger --- drivers/target/tcm_fc/tfc_conf.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/target/tcm_fc/tfc_conf.c') diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index e879da81ad93..b8b5a719a784 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -536,6 +536,7 @@ static struct target_core_fabric_ops ft_fabric_ops = { .queue_data_in = ft_queue_data_in, .queue_status = ft_queue_status, .queue_tm_rsp = ft_queue_tm_resp, + .aborted_task = ft_aborted_task, /* * Setup function pointers for generic logic in * target_core_fabric_configfs.c -- cgit v1.2.3