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authorAlex Leung <amleung21@yahoo.com>2014-03-21 22:20:41 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2014-04-07 01:48:50 -0700
commit68259b5aac13a57cba797b9605ed9812158f0e72 (patch)
tree914de31ac9381cb8a1f591af859ab91adaeee4db /include/target
parentf46d6a8a01d6bbd83a97140f30a72a89b038807b (diff)
downloadlinux-68259b5aac13a57cba797b9605ed9812158f0e72.tar.bz2
target: Fix Task Aborted Status (TAS) handling
This patch addresses three of long standing issues wrt to Task Aborted Status (TAS) handling. The first is the incorrect assumption in core_tmr_handle_tas_abort() that TASK_ABORTED status is sent for the task referenced by TMR ABORT_TASK, and sending TASK_ABORTED status for TMR LUN_RESET on the same nexus the LUN_RESET was received. The second is to ensure the lun reference count is dropped within transport_cmd_finish_abort() by calling transport_lun_remove_cmd() before invoking transport_cmd_check_stop_to_fabric(). The last is to fix the delayed TAS handling to allow outstanding WRITEs to complete before sending the TASK_ABORTED status. This includes changing transport_check_aborted_status() to avoid processing when SCF_SEND_DELAYED_TAS has not be set, and updating transport_send_task_abort() to drop the SCF_SENT_DELAYED_TAS check. Signed-off-by: Alex Leung <amleung21@yahoo.com> Cc: Alex Leung <amleung21@yahoo.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_base.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index f13fd09d91dc..ec3e3a3ff4f6 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -162,7 +162,7 @@ enum se_cmd_flags_table {
SCF_SENT_CHECK_CONDITION = 0x00000800,
SCF_OVERFLOW_BIT = 0x00001000,
SCF_UNDERFLOW_BIT = 0x00002000,
- SCF_SENT_DELAYED_TAS = 0x00004000,
+ SCF_SEND_DELAYED_TAS = 0x00004000,
SCF_ALUA_NON_OPTIMIZED = 0x00008000,
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000,
SCF_ACK_KREF = 0x00040000,