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Message-ID: <1342909627.25472.203.camel@haakon2.linux-iscsi.org>
Date: Sat, 21 Jul 2012 15:27:07 -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>,
Christoph Hellwig <hch@....de>,
Roland Dreier <roland@...nel.org>,
Andy Grover <agrover@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Stefan Hajnoczi <stefanha@...il.com>,
Anthony Liguori <anthony@...emonkey.ws>,
Greg KH <gregkh@...uxfoundation.org>
Subject: [GIT PULL] target updates for v3.6-rc1 (round 1)
Hello Linus,
The following is the first round of target core + fabric driver updates
for the freshly opened v3.6 merge window. Please go ahead and pull
from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
This series is based on target-pending/master commit 1765fe5edcb83f53f
So I ended up needing to rebase for-next last week to pick up fixes
in master that for-next ended up conflicting with, but the bulk of the
series has been in linux-next a number of weeks and has getting a good
amount of testing.
There have been lots of work in a number of areas this past round. The
highlights include:
*) Break out target_core_cdb.c emulation into SPC/SBC ops (hch)
*) Add a parse_cdb method to target backend drivers (hch)
*) Move sync_cache + write_same + unmap into spc_ops (hch)
*) Use target_execute_cmd for WRITEs in iscsi_target + srpt (hch)
*) Offload WRITE I/O backend submission in tcm_qla2xxx + tcm_fc (hch + nab)
*) Refactor core_update_device_list_for_node() into enable/disable funcs (agrover)
*) Replace the TCM processing thread with a TMR work queue (hch)
*) Fix regression in transport_add_device_to_core_hba from TMR conversion (DanC)
*) Remove racy, now-redundant check of sess_tearing_down with qla2xxx (roland)
*) Add range checking, fix reading of data len + possible underflow in UNMAP (roland)
*) Allow for target_submit_cmd() returning errors + convert fabrics (roland + nab)
*) Drop bogus struct file usage for iSCSI/SCTP (viro)
Thanks again to everyone who has contributed!
On the new target fabric module front for-3.6, tcm_vhost is currently in
RFC-v4 on the lists + queued up + waiting for ACKs from MST & Co here:
http://marc.info/?l=kvm&m=134285417314176&w=2
At this point I think the vhost folks are pretty agreeable for an
initial merge of this kernel code, but the vhost-scsi bits in upstream
QEMU userspace code will still need to be shorted out. So because of
this fact, MST has requested to mark this driver as STAGING o indicate
the userspace ABI is not (yet) set in stone.
Currently the last item being discussed for initial merge is if this
code can just be marked as STAGING + live in drivers/vhost/, or if it
should actually reside under drivers/staging/ and go upstream via the
staging tree. The last -v4 series of the code keeps the initial merge
in drivers/vhost/, which is easier than getting staging to depending on
vhost + target-pending..
So the current plan is to send a [GIT PULL] next weekend, in order to
give MST a chance to review + ACK as he returns from holiday. Otherwise
if folks object, I'll move this code to drivers/staginig/tcm_vhost/ and
let Greg-KH decide if he's OK to take it via staging for this round.
Thank you!
--nab
Al Viro (1):
iscsi-target: Drop bogus struct file usage for iSCSI/SCTP
Andy Grover (7):
target: Do not special-case loop and iscsi fabric module loads
target/iblock: Add parameter to specify read-only devices
target: Remove unneeded double parentheses
target: Remove hba param from core_dev_add_lun
target: Misc retval cleanups
target: Eliminate else using boolean logic
target: refactor core_update_device_list_for_node()
Christoph Hellwig (26):
target: move unrelated code out of transport_generic_cmd_sequencer
target: remove control CDB flags
target: split overflow and underflow checks into a helper
target: split parsing of SPC commands into a separate helper
target: add a parse_cdb method to the backend drivers
target: move code for CDB emulation
target: move transport_generic_prepare_cdb into pscsi
target: remove the execute list
target: move ref_cmd from the generic se_tmr_req into iscsi code
target: remove dead SCF_ flags
target: add struct spc_ops + initial ->execute_rw pointer usage
target: move sync_cache to struct spc_ops
target: move write_same to struct spc_ops
target: move unmap to struct spc_ops
target: split transport_cmd_check_stop
target: remove transport_generic_process_write
target: call transport_check_aborted_status from target_execute_cmd
target: merge transport_generic_write_pending into
transport_generic_new_cmd
iscsit: use target_execute_cmd for WRITEs
srpt: use target_execute_cmd for WRITEs in srpt_handle_rdma_comp
tcm_qla2xxx: Offload WRITE I/O backend submission to tcm_qla2xxx wq
tcm_fc: Offload WRITE I/O backend submission to tpg workqueue
target: remove transport_generic_handle_data
target: simply fabric driver queue full processing
target: remove transport_generic_handle_cdb_map
target: replace the processing thread with a TMR work queue
Dan Carpenter (1):
target: NULL dereference on error path
Nicholas Bellinger (4):
target: Move MAINTENANCE_[IN,OUT] from pscsi_parse_cdb ->
spc_parse_cdb
target/pscsi: Only emulate REPORT_LUNS for passthrough
Revert "target: Do not special-case loop and iscsi fabric module
loads"
target: Make core_disable_device_list_for_node use pre-refactoring
lock ordering
Roland Dreier (14):
target/iscsi: Remove dead code in lio_get_tpg_from_tpg_item()
qla2xxx: Get rid of redundant qla_tgt_sess.tearing_down
target: Un-export target_get_sess_cmd()
sbp-target: Consolidate duplicated error path code in
sbp_handle_command()
target: Check sess_tearing_down in target_get_sess_cmd()
qla2xxx: Remove racy, now-redundant check of sess_tearing_down
target: Remove se_session.sess_wait_list
target: Make unnecessarily global se_dev_align_max_sectors() static
target: Add generation of LOGICAL BLOCK ADDRESS OUT OF RANGE
target: Add range checking to UNMAP emulation
target: Fix reading of data length fields for UNMAP commands
target: Fix possible integer underflow in UNMAP emulation
target: Check number of unmap descriptors against our limit
target: Allow for target_submit_cmd() returning errors
Sachin Kamat (1):
tcm_qla2xxx: Remove duplicate header file inclusion
drivers/infiniband/ulp/srpt/ib_srpt.c | 15 +-
drivers/scsi/qla2xxx/qla_target.c | 16 +-
drivers/scsi/qla2xxx/qla_target.h | 3 +-
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 55 +-
drivers/target/Makefile | 3 +-
drivers/target/iscsi/iscsi_target.c | 30 +-
drivers/target/iscsi/iscsi_target_configfs.c | 22 -
drivers/target/iscsi/iscsi_target_core.h | 3 +-
drivers/target/iscsi/iscsi_target_erl1.c | 4 +-
drivers/target/iscsi/iscsi_target_login.c | 66 +-
drivers/target/iscsi/iscsi_target_parameters.c | 2 +-
drivers/target/iscsi/iscsi_target_tmr.c | 46 +-
drivers/target/iscsi/iscsi_target_tpg.c | 27 +-
drivers/target/loopback/tcm_loop.c | 11 +-
drivers/target/sbp/sbp_target.c | 39 +-
drivers/target/target_core_device.c | 170 +-
drivers/target/target_core_fabric_configfs.c | 3 +-
drivers/target/target_core_file.c | 25 +-
drivers/target/target_core_iblock.c | 142 ++-
drivers/target/target_core_iblock.h | 1 +
drivers/target/target_core_internal.h | 22 +-
drivers/target/target_core_pr.c | 6 +-
drivers/target/target_core_pscsi.c | 84 +-
drivers/target/target_core_rd.c | 17 +-
drivers/target/target_core_sbc.c | 581 ++++++
.../{target_core_cdb.c => target_core_spc.c} | 434 ++---
drivers/target/target_core_tmr.c | 57 +-
drivers/target/target_core_tpg.c | 14 +-
drivers/target/target_core_transport.c | 2088 ++++----------------
drivers/target/tcm_fc/tfc_cmd.c | 10 +-
drivers/target/tcm_fc/tfc_io.c | 13 +-
drivers/usb/gadget/tcm_usb_gadget.c | 54 +-
include/target/target_core_backend.h | 17 +-
include/target/target_core_base.h | 56 +-
include/target/target_core_fabric.h | 15 +-
35 files changed, 1718 insertions(+), 2433 deletions(-)
create mode 100644 drivers/target/target_core_sbc.c
rename drivers/target/{target_core_cdb.c => target_core_spc.c} (76%)
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