alistair23-linux/include/target
Nicholas Bellinger 5277797dc4 target: Add percpu refcounting for se_lun access
This patch adds percpu refcounting for se_lun access that allows the
association of an se_lun + se_cmd in transport_lookup_cmd_lun() to
occur without an extra list_head for tracking outstanding I/O during
se_lun shutdown.

This effectively changes se_lun shutdown logic to wait for outstanding
I/O percpu references to complete in transport_lun_remove_cmd() using
se_lun->lun_ref_comp, instead of explicitly draining the per se_lun
command list and waiting for individual se_cmd descriptor processing
to complete.

Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-11-07 14:24:52 -08:00
..
iscsi iscsi/iser-target: Convert to command priv_size usage 2013-09-09 14:29:21 -07:00
configfs_macros.h doc: fix broken references 2011-09-27 18:08:04 +02:00
target_core_backend.h target: Make helpers non static for EXTENDED_COPY command setup 2013-09-10 16:48:39 -07:00
target_core_base.h target: Add percpu refcounting for se_lun access 2013-11-07 14:24:52 -08:00
target_core_configfs.h target: Remove TF_CIT_TMPL macro 2013-10-16 13:35:02 -07:00
target_core_fabric.h target: Export symbol core_tpg_check_initiator_node_acl 2013-10-23 21:30:07 -07:00
target_core_fabric_configfs.h target: Add se_portal_group->tpg_auth_group 2013-07-03 19:44:31 -07:00