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Date: Wed, 10 Jul 2013 17:07:09 -0700
From: "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: target-devel <target-devel@...r.kernel.org>,
linux-scsi <linux-scsi@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
"Michael S. Tsirkin" <mst@...hat.com>
Subject: [GIT PULL] target updates for v3.11-rc1
Hello Linus!
Here are the target pending patches for the v3.11-rc1 merge window.
Please go ahead and pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
Lots of activity this round on performance improvements in target-core
while benchmarking the prototype scsi-mq initiator code with vhost-scsi
fabric ports, along with a number of iscsi/iser-target improvements and
hardening fixes for exception path cases post v3.10 merge.
The highlights include:
- Make persistent reservations APTPL buffer allocated on-demand, and drop
per t10_reservation buffer. (grover)
- Make virtual LUN=0 a NULLIO device, and skip allocation of NULLIO
device pages (grover)
- Add transport_cmd_check_stop write_pending bit to avoid extra access
of ->t_state_lock is WRITE I/O submission fast-path. (nab)
- Drop unnecessary CMD_T_DEV_ACTIVE check from transport_lun_remove_cmd
to avoid extra access of ->t_state_lock in release fast-path. (nab)
- Avoid extra t_state_lock access in __target_execute_cmd fast-path (nab)
- Drop unnecessary vhost-scsi wait_for_tasks=true usage + ->t_state_lock
access in release fast-path. (nab)
- Convert vhost-scsi to use modern se_cmd->cmd_kref TARGET_SCF_ACK_KREF
usage (nab)
- Add tracepoints for SCSI commands being processed (roland)
- Refactoring of iscsi-target handling of ISCSI_OP_NOOP + ISCSI_OP_TEXT
to be transport independent (nab)
- Add iscsi-target SendTargets=$IQN support for in-band discovery (nab)
- Add iser-target support for in-band discovery (nab + Or)
- Add iscsi-target demo-mode TPG authentication context support (nab)
- Fix isert_put_reject payload buffer post (nab)
- Fix iscsit_add_reject* usage for iser (nab)
- Fix iscsit_sequence_cmd reject handling for iser (nab)
- Fix ISCSI_OP_SCSI_TMFUNC handling for iser (nab)
- Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED (nab)
The last five iscsi/iser-target items are CC'ed to stable, as they do
address issues present in v3.10 code. They are certainly larger than
I'd like for stable patch set, but are important to ensure proper REJECT
exception handling in iser-target for 3.10.y.
Also just a heads up to expect a minor conflict in drivers/vhost/scsi.c
when pulling vhost-next (MST CC'ed) that has come up recently in
linux-next testing here:
http://marc.info/?l=linux-next&m=137331470429528&w=2
Thank you,
--nab
Andy Grover (13):
target: Add register_type and preempt_type enums to clarify code
target: Alter core_pr_dump_initiator_port for ease of use
target: Fix two debugprints that appear to be wrong
target: Simplify metadata handling when clearing aptpl metadata
target: Unify __core_scsi3_update_aptpl_buf and
core_scsi3_update_aptpl_buf
target: Remove t10_reservation.pr_aptpl_buf_len
target: Remove unneeded param pr_aptpl_buf_len to
write_aptpl_to_file()
target: Delete incorrect comment
target: Allocate aptpl_buf inside update_and_write_aptpl()
target: Use if/else for sa_res_key conditional in
emulate_pro_register()
target: Further refactoring of core_scsi3_emulate_pro_register()
target: Make virtual_lun0 a nullio device
target: Don't allocate pages for NULLIO devices
Dan Carpenter (1):
iscsi-target: missing kfree() on error path
Joern Engel (2):
target: remove unused codes from enum tcm_tmrsp_table
target: make queue_tm_rsp() return void
Jörn Engel (3):
qla_target: remove qlt_check_fcport_exist
iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow
iscsi-target: kstrtou* configfs attribute parameter cleanups
Nicholas Bellinger (29):
target: Add transport_cmd_check_stop write_pending bit
target: Drop unnecessary CMD_T_DEV_ACTIVE check from
transport_lun_remove_cmd
target: Remove legacy t_fe_count + avoid t_state_lock access in
transport_put_cmd
target: Avoid extra t_state_lock access in __target_execute_cmd
target: Drop unnecessary t_state_lock access for
SCF_SUPPORTED_SAM_OPCODE assignment
iscsi-target: Avoid unnecessary t_state_lock during unsolicited
data-out check
target: Drop legacy se_cmd->check_release bit
vhost/scsi: Drop unnecessary wait_for_tasks=true usage with
transport_generic_free_cmd
vhost/scsi: Convert to se_cmd->cmd_kref TARGET_SCF_ACK_KREF usage
iscsi/isert-target: Refactor ISCSI_OP_NOOP RX handling
iscsi-target: Refactor ISCSI_OP_TEXT RX handling
iscsi-target: Refactor ISCSI_OP_TEXT_RSP TX handling
iscsi-target: Allow ->MaxXmitDataSegmentLength assignment for iser
discovery
iscsi-target: Move sendtargets parsing into iscsit_process_text_cmd
iscsi-target: Add IFC_SENDTARGETS_SINGLE support
target: Add se_portal_group->tpg_auth_group
iscsi-target: Add demo-mode TPG authentication context support
target: Make core_scsi3_update_and_write_aptpl return sense_reason_t
iscsi-target: Drop left-over iscsi_conn->bad_hdr
iser-target: Fix isert_put_reject payload buffer post
iscsi-target: Fix iscsit_add_reject* usage for iser
iscsi-target: Fix iscsit_sequence_cmd reject handling for iser
iscsi-target: Fix ISCSI_OP_SCSI_TMFUNC handling for iser
iser-target: Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED
iser-target: Add vendor_err debug output
iser-target: Rename sense_buf_[dma,len] to pdu_[dma,len]
iser-target: Add support for ISCSI_OP_TEXT opcode + payload handling
iscsi-target: Fix tfc_tpg_auth_cit configfs length overflow
iser-target: Ignore non TEXT + LOGOUT opcodes for discovery
Roland Dreier (3):
target: Add tracepoints for SCSI commands being processed
target: Return correct sense data for IO past the end of a device
target: Add (obsolete) checking for PMI/LBA fields in READ
CAPACITY(10)
drivers/infiniband/ulp/isert/ib_isert.c | 268 +++++++--
drivers/infiniband/ulp/isert/ib_isert.h | 5 +-
drivers/infiniband/ulp/srpt/ib_srpt.c | 27 +-
drivers/scsi/qla2xxx/qla_target.c | 151 +----
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 10 +-
drivers/target/iscsi/iscsi_target.c | 768 ++++++++++++------------
drivers/target/iscsi/iscsi_target.h | 2 +-
drivers/target/iscsi/iscsi_target_configfs.c | 184 +++++-
drivers/target/iscsi/iscsi_target_core.h | 11 +-
drivers/target/iscsi/iscsi_target_erl0.c | 8 +-
drivers/target/iscsi/iscsi_target_erl1.c | 26 +-
drivers/target/iscsi/iscsi_target_nego.c | 13 +-
drivers/target/iscsi/iscsi_target_parameters.c | 3 -
drivers/target/iscsi/iscsi_target_util.c | 28 +-
drivers/target/iscsi/iscsi_target_util.h | 3 +-
drivers/target/loopback/tcm_loop.c | 3 +-
drivers/target/sbp/sbp_target.c | 3 +-
drivers/target/target_core_configfs.c | 13 +-
drivers/target/target_core_device.c | 5 +-
drivers/target/target_core_fabric_configfs.c | 21 +-
drivers/target/target_core_pr.c | 499 ++++++---------
drivers/target/target_core_pr.h | 2 +-
drivers/target/target_core_rd.c | 5 +
drivers/target/target_core_sbc.c | 18 +-
drivers/target/target_core_tmr.c | 12 +-
drivers/target/target_core_transport.c | 87 ++-
drivers/target/tcm_fc/tcm_fc.h | 2 +-
drivers/target/tcm_fc/tfc_cmd.c | 8 +-
drivers/usb/gadget/tcm_usb_gadget.c | 3 +-
drivers/vhost/scsi.c | 37 +-
include/target/iscsi/iscsi_transport.h | 21 +-
include/target/target_core_base.h | 23 +-
include/target/target_core_configfs.h | 1 +
include/target/target_core_fabric.h | 2 +-
include/target/target_core_fabric_configfs.h | 11 +
include/trace/events/target.h | 214 +++++++
36 files changed, 1413 insertions(+), 1084 deletions(-)
create mode 100644 include/trace/events/target.h
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