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Date: Fri, 18 Sep 2009 15:41:32 +1000
From: Neil Brown <neilb@...e.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Dan Williams <dan.j.williams@...el.com>,
linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: PULL REQUEST - md updates for 2.6.32, mostly raid6 offload
Hi Linus,
please pull md and related updates as below.
Most of this is support for offloading the RAID6 calculation onto
dedicated hardware, hence the crypto/async_tx and drives/dma
changes. This makes RAID6 more consistent with RAID5 which already
supports XOR offload.
The only bit that is really from me is a couple of fixes for sparse
warnings, one of which was really an error. (It is a pity spares in
so noisy....)
Thanks,
NeilBrown
The following changes since commit 0cc6d77e55eca9557bbe41bf2db94b31aa8fcb2a:
Linus Torvalds (1):
Merge branch 'x86-setup-for-linus' of git://git.kernel.org/.../tip/linux-2.6-tip
are available in the git repository at:
git://neil.brown.name/md/ for-linus
Atsushi Nemoto (1):
dmaengine: Move all map_sg/unmap_sg for slave channel to its client
Dan Williams (81):
Merge branch 'dmaengine' into async-tx-raid6
async_tx: rename zero_sum to val
async_tx: kill ASYNC_TX_DEP_ACK flag
async_tx: structify submission arguments, add scribble
async_xor: permit callers to pass in a 'dma/page scribble' region
md/raid6: release spare page at ->stop()
ioat: move to drivers/dma/ioat/
md/raid6: move the spare page to a percpu allocation
md/raid5,6: add percpu scribble region for buffer lists
async_tx: add sum check flags
async_tx: kill needless module_{init|exit}
async_tx: remove walk of tx->parent chain in dma_wait_for_async_tx
async_tx: add support for asynchronous GF multiplication
async_tx: add support for asynchronous RAID6 recovery operations
dmatest: add pq support
async_tx: raid6 recovery self test
iop-adma: cleanup iop_adma_run_tx_complete_actions
iop-adma: fix lockdep false positive
iop-adma: P+Q support for iop13xx adma engines
iop-adma: P+Q self test
md/raid5: factor out mark_uptodate from ops_complete_compute5
md/raid6: asynchronous raid6 operations
md/raid6: asynchronous handle_parity_check6
md/raid456: distribute raid processing over multiple cores
Merge commit 'v2.6.31-rc1' into dmaengine
ioat: move definitions to dma.h
ioat: convert ioat_probe to pcim/devm
ioat: cleanup some long deref chains and 80 column collisions
ioat: kill function prototype ifdef guards
ioat: split ioat_dma_probe into core/version-specific routines
ioat: fix type mismatch for ->dmacount
ioat: define descriptor control bit-field
ioat1: move descriptor allocation from submit to prep
ioat: fix self test interrupts
ioat: prepare the code for ioat[12]_dma_chan split
ioat2,3: convert to a true ring buffer
ioat1: kill unused unmap parameters
ioat: add some dev_dbg() calls
ioat: cleanup completion status reads
ioat: ignore reserved bits for chancnt and xfercap
ioat: preserve chanctrl bits when re-arming interrupts
ioat: ___devinit annotate the initialization paths
ioat1: trim ioat_dma_desc_sw
ioat: switch watchdog and reset handler from workqueue to timer
ioat2,3: dynamically resize descriptor ring
net_dma: poll for a descriptor after allocation failure
Merge branch 'md-raid6-accel' into ioat3.2
dmaengine: add fence support
dmaengine, async_tx: add a "no channel switch" allocator
dmaengine: cleanup unused transaction types
dmaengine, async_tx: support alignment checks
ioat2+: add fence support
ioat3: hardware version 3.2 register / descriptor definitions
ioat3: split ioat3 support to its own file, add memset
ioat: add 'ioat' sysfs attributes
ioat3: enable dca for completion writes
ioat3: xor support
ioat3: xor self test
ioat3: pq support
ioat3: support xor via pq descriptors
ioat3: interrupt descriptor support
ioat3: segregate raid engines
Merge branch 'ioat' into dmaengine
dw_dmac: implement a private tx_list
fsldma: implement a private tx_list
iop-adma: implement a private tx_list
ioat: implement a private tx_list
mv_xor: implement a private tx_list
at_hdmac: implement a private tx_list
txx9dmac: implement a private tx_list
dmaengine: kill tx_list
ioat2,3: cacheline align software descriptor allocations
Merge branch 'iop-raid6' into async-tx-next
Merge branch 'dmaengine' into async-tx-next
Merge commit 'md/for-linus' into async-tx-next
async_tx: remove HIGHMEM64G restriction
ioat: driver version 4.0
md/raid6: eliminate BUG_ON with side effect
md/raid6: cleanup ops_run_compute6_2
ioat2: clarify ring size limits
raid6test: fix stack overflow
Ira Snyder (2):
fsldma: split apart external pause and request count features
fsldma: Add DMA_SLAVE support
Maciej Sosnowski (1):
dca: registering requesters in multiple dca domains
NeilBrown (3):
md: remove sparse waring "symbol xxx shadows an earlier one"
md: remove sparse warnings about lock context.
Merge branch 'next' of git://git.kernel.org/.../djbw/async_tx into for-linus
Nobuhiro Iwamatsu (1):
dmaengine: sh: Add Support SuperH DMA Engine driver
Roland Dreier (2):
Add MODULE_DEVICE_TABLE() so ioatdma module is autoloaded
I/OAT: Convert to PCI_VDEVICE()
Stephen Hemminger (1):
dca: module load should not be an error message
Tom Picard (1):
ioat3: ioat3.2 pci ids for Jasper Forest
Yuri Tikhonov (5):
md/raid5,6: common schedule_reconstruction for raid5/6
md/raid6: asynchronous handle_stripe_fill6
md/raid6: asynchronous handle_stripe_dirtying6
md/raid6: asynchronous handle_stripe6
md/raid6: remove synchronous infrastructure
Documentation/crypto/async-tx-api.txt | 75 +-
arch/arm/include/asm/hardware/iop3xx-adma.h | 81 +-
arch/arm/include/asm/hardware/iop_adma.h | 3 +
arch/arm/mach-iop13xx/include/mach/adma.h | 119 ++-
arch/arm/mach-iop13xx/setup.c | 17 +-
arch/arm/plat-iop/adma.c | 4 +-
arch/powerpc/include/asm/fsldma.h | 136 ++
arch/sh/drivers/dma/Kconfig | 12 +-
arch/sh/drivers/dma/Makefile | 3 +-
arch/sh/include/asm/dma-sh.h | 13 +
crypto/async_tx/Kconfig | 9 +
crypto/async_tx/Makefile | 3 +
crypto/async_tx/async_memcpy.c | 44 +-
crypto/async_tx/async_memset.c | 43 +-
crypto/async_tx/async_pq.c | 395 +++++
crypto/async_tx/async_raid6_recov.c | 455 +++++
crypto/async_tx/async_tx.c | 87 +-
crypto/async_tx/async_xor.c | 207 ++--
crypto/async_tx/raid6test.c | 240 +++
drivers/dca/dca-core.c | 124 ++-
drivers/dma/Kconfig | 14 +-
drivers/dma/Makefile | 4 +-
drivers/dma/at_hdmac.c | 60 +-
drivers/dma/at_hdmac_regs.h | 1 +
drivers/dma/dmaengine.c | 94 +-
drivers/dma/dmatest.c | 40 +
drivers/dma/dw_dmac.c | 50 +-
drivers/dma/dw_dmac_regs.h | 1 +
drivers/dma/fsldma.c | 288 +++-
drivers/dma/fsldma.h | 4 +-
drivers/dma/ioat.c | 202 ---
drivers/dma/ioat/Makefile | 2 +
drivers/dma/{ioat_dca.c => ioat/dca.c} | 13 +-
drivers/dma/ioat/dma.c | 1238 ++++++++++++++
drivers/dma/ioat/dma.h | 337 ++++
drivers/dma/ioat/dma_v2.c | 870 ++++++++++
drivers/dma/ioat/dma_v2.h | 190 +++
drivers/dma/ioat/dma_v3.c | 1220 ++++++++++++++
drivers/dma/ioat/hw.h | 215 +++
drivers/dma/ioat/pci.c | 210 +++
.../dma/{ioatdma_registers.h => ioat/registers.h} | 54 +-
drivers/dma/ioat_dma.c | 1741 --------------------
drivers/dma/ioatdma.h | 165 --
drivers/dma/ioatdma_hw.h | 70 -
drivers/dma/iop-adma.c | 491 +++++-
drivers/dma/iovlock.c | 10 +
drivers/dma/mv_xor.c | 7 +-
drivers/dma/mv_xor.h | 4 +-
drivers/dma/shdma.c | 786 +++++++++
drivers/dma/shdma.h | 64 +
drivers/dma/txx9dmac.c | 24 +-
drivers/dma/txx9dmac.h | 1 +
drivers/idle/i7300_idle.c | 20 +-
drivers/md/Kconfig | 26 +
drivers/md/bitmap.c | 5 +-
drivers/md/md.c | 10 +-
drivers/md/raid0.c | 5 +-
drivers/md/raid10.c | 2 +-
drivers/md/raid5.c | 1484 +++++++++++-------
drivers/md/raid5.h | 28 +-
drivers/mmc/host/atmel-mci.c | 9 +-
include/linux/async_tx.h | 129 ++-
include/linux/dca.h | 11 +-
include/linux/dmaengine.h | 179 ++-
include/linux/pci_ids.h | 10 +
65 files changed, 9137 insertions(+), 3321 deletions(-)
create mode 100644 arch/powerpc/include/asm/fsldma.h
create mode 100644 crypto/async_tx/async_pq.c
create mode 100644 crypto/async_tx/async_raid6_recov.c
create mode 100644 crypto/async_tx/raid6test.c
delete mode 100644 drivers/dma/ioat.c
create mode 100644 drivers/dma/ioat/Makefile
rename drivers/dma/{ioat_dca.c => ioat/dca.c} (98%)
create mode 100644 drivers/dma/ioat/dma.c
create mode 100644 drivers/dma/ioat/dma.h
create mode 100644 drivers/dma/ioat/dma_v2.c
create mode 100644 drivers/dma/ioat/dma_v2.h
create mode 100644 drivers/dma/ioat/dma_v3.c
create mode 100644 drivers/dma/ioat/hw.h
create mode 100644 drivers/dma/ioat/pci.c
rename drivers/dma/{ioatdma_registers.h => ioat/registers.h} (84%)
delete mode 100644 drivers/dma/ioat_dma.c
delete mode 100644 drivers/dma/ioatdma.h
delete mode 100644 drivers/dma/ioatdma_hw.h
create mode 100644 drivers/dma/shdma.c
create mode 100644 drivers/dma/shdma.h
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