Nicholas Bellinger 9b31a328e3 target: Re-instate sess_wait_list for target_wait_for_sess_cmds ... Switch back to pre commit 1c7b13fe65 list splicing logic for active I/O shutdown with tcm_qla2xxx + ib_srpt fabrics. The original commit was done under the incorrect assumption that it's safe to walk se_sess->sess_cmd_list unprotected in target_wait_for_sess_cmds() after sess->sess_tearing_down = 1 has been set by target_sess_cmd_list_set_waiting() during session shutdown. So instead of adding sess->sess_cmd_lock protection around sess->sess_cmd_list during target_wait_for_sess_cmds(), switch back to sess->sess_wait_list to allow wait_for_completion() + TFO->release_cmd() to occur without having to walk ->sess_cmd_list after the list_splice. Also add a check to exit if target_sess_cmd_list_set_waiting() has already been called, and add a WARN_ON to check for any fabric bug where new se_cmds are added to sess->sess_cmd_list after sess->sess_tearing_down = 1 has already been set. Cc: Joern Engel <joern@logfs.org> Cc: Roland Dreier <roland@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>		2013-05-29 21:30:33 -07:00
..
iscsi	iscsi-target: Add iscsit_transport API template	2013-04-25 01:05:26 -07:00
configfs_macros.h	doc: fix broken references	2011-09-27 18:08:04 +02:00
target_core_backend.h	target: Add sbc_execute_unmap() helper	2013-04-25 01:05:24 -07:00
target_core_base.h	target: Re-instate sess_wait_list for target_wait_for_sess_cmds	2013-05-29 21:30:33 -07:00
target_core_configfs.h	[SCSI] target: add initial statistics	2011-03-23 11:36:50 -05:00
target_core_fabric_configfs.h
target_core_fabric.h	target: Remove unused wait_for_tasks bit in target_wait_for_sess_cmds	2013-05-20 21:44:10 -07:00