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 <[email protected]>
Cc: Mark Rustad <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Vu Pham <[email protected]>
Cc: Chris Boot <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Cc: Giridhar Malavali <[email protected]>
Cc: Saurav Kashyap <[email protected]>
Cc: Quinn Tran <[email protected]>
Cc: Sagi Grimberg <[email protected]>
Cc: Or Gerlitz <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>

0 files changed, 0 insertions, 0 deletions