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| author | Alex Leung <amleung21@yahoo.com> | 2014-03-22 06:20:41 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-07 10:48:50 +0200 |
| commit | 68259b5aac13a57cba797b9605ed9812158f0e72 (patch) | |
| tree | 914de31ac9381cb8a1f591af859ab91adaeee4db /include/target | |
| parent | iser-target: Match FRMR descriptors to available session tags (diff) | |
| download | linux-68259b5aac13a57cba797b9605ed9812158f0e72.tar.xz linux-68259b5aac13a57cba797b9605ed9812158f0e72.zip | |
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.h | 2 |
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, |