summaryrefslogtreecommitdiff
path: root/include/target
diff options
context:
space:
mode:
authorNicholas Bellinger <nab@linux-iscsi.org>2017-06-03 16:41:03 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2017-07-07 08:57:55 +0300
commiteeb64d239ea664592ff8f1bce5546209a6593df5 (patch)
treeadaa7dd7f68e731547b44d74c42c6bc9d4448bd4 /include/target
parent12f66e4a0f7b5624901ba4301210e026c9ddf78d (diff)
downloadlinux-eeb64d239ea664592ff8f1bce5546209a6593df5.tar.xz
target: Add support for TMR percpu reference counting
This patch introduces TMR percpu reference counting using se_lun->lun_ref in transport_lookup_tmr_lun(), following how existing non TMR per se_lun reference counting works within transport_lookup_cmd_lun(). It also adds explicit transport_lun_remove_cmd() calls to drop the reference in the three tmr related locations that invoke transport_cmd_check_stop_to_fabric(); - target_tmr_work() during normal ->queue_tm_rsp() - target_complete_tmr_failure() during error ->queue_tm_rsp() - transport_generic_handle_tmr() during early failure Also, note the exception paths in transport_generic_free_cmd() and transport_cmd_finish_abort() already check SCF_SE_LUN_CMD, and will invoke transport_lun_remove_cmd() when necessary. Reviewed-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Quinn Tran <quinn.tran@cavium.com> Cc: Mike Christie <mchristi@redhat.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target')
0 files changed, 0 insertions, 0 deletions