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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem update from Bryan Wu.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (24 commits)
leds: add output driver configuration for pca9633 led driver
leds: lm3642: Use regmap_update_bits() in lm3642_chip_init()
leds: Add new LED driver for lm3642 chips
leds-lp5523: Fix riskiness of the page fault
leds-lp5523: turn off the LED engines on unloading the driver
leds-lm3530: Fix smatch warnings
leds-lm3530: Use devm_regulator_get function
leds: leds-gpio: adopt pinctrl support
leds: Add new LED driver for lm355x chips
leds-lp5523: use the i2c device id rather than fixed name
leds-lp5523: add new device id for LP55231
leds-lp5523: support new LP55231 device
leds: triggers: send uevent when changing triggers
leds-lp5523: minor code style fixes
leds-lp5523: change the return type of lp5523_set_mode()
leds-lp5523: set the brightness to 0 forcely on removing the driver
leds-lp5523: add channel name in the platform data
leds: leds-gpio: Use of_get_child_count() helper
leds: leds-gpio: Use platform_{get,set}_drvdata
leds: leds-gpio: use of_match_ptr()
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull scsi target updates from Nicholas Bellinger:
"Things have been calm for the most part with no new fabric drivers in
flight for v3.7 (we're up to eight now !), so this update is primarily
focused on addressing a few long-standing items within target-core and
iscsi-target fabric code.
The highlights include:
- target: Simplify fabric sense data length handling (roland)
- qla2xxx: Fix endianness of task management response code (roland)
- target: fix truncation of mode data, support zero allocation length
(paolo)
- target: Properly support zero-length commands in normal processing
path (paolo)
- iscsi-target: Correctly set 0xffffffff field within ISCSI_OP_REJECT
PDU (ronnie + nab)
- iscsi-target: Add explicit set of cache_dynamic_acls=1 for TPG
demo-mode (ronnie + nab)
- target/file: Re-enable optional fd_buffered_io=1 operation (nab +
hch)
- iscsi-target: Add MaxXmitDataSegmenthLength forr target ->
initiator MDRSL declaration (nab)
- target: Add target_submit_cmd_map_sgls for SGL fabric memory
passthrough (nab + hch)
- tcm_loop: Convert I/O path to use target_submit_cmd_map_sgls (hch +
nab)
- tcm_vhost: Convert I/O path to use target_submit_cmd_map_sgls (nab
+ hch)
The last series for adding a new target_submit_cmd_map_sgls() fabric
caller (as requested by hch) that accepts pre-allocated SGL memory
(using existing logic), along with converting tcm_loop + tcm_vhost has
only been in -next for the last days, but has gotten enough review
+testing and is clear enough a mechanical change that I think it's
reasonable to merge for -rc1 code.
Thanks again to everyone who contributed this round! Extra special
thanks to Roland (PureStorage) for tracking down the qla2xxx target
TMR response code endian issue, and to Paolo (Redhat) for resolving
the long standing zero-length CDB issues within target-core between
virtual and pSCSI backends."
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (44 commits)
iscsi-target: Bump defaults for nopin_timeout + nopin_response_timeout values
iscsit: proper endianess conversions
iscsit: use the itt_t abstract type
iscsit: add missing endianess conversion in iscsit_check_inaddr_any
iscsit: remove incorrect unlock in iscsit_build_sendtargets_resp
iscsit: mark various functions static
target/iscsi: precedence bug in iscsit_set_dataout_sequence_values()
target/usb-gadget: strlen() doesn't count the terminator
target/usb-gadget: remove duplicate initialization
tcm_vhost: Convert I/O path to use target_submit_cmd_map_sgls
target: Add control CDB READ payload zero work-around
tcm_loop: Convert I/O path to use target_submit_cmd_map_sgls
target: Add target_submit_cmd_map_sgls for SGL fabric memory passthrough
iscsi-target: Add explicit set of cache_dynamic_acls=1 for TPG demo-mode
iscsi-target: Change iscsi_target_seq_pdu_list.c to honor MaxXmitDataSegmentLength
iscsi-target: Add MaxXmitDataSegmentLength connection recovery check
iscsi-target: Convert incoming PDU payload checks to MaxXmitDataSegmentLength
iscsi-target: Enable MaxXmitDataSegmentLength operation in login path
iscsi-target: Add base MaxXmitDataSegmentLength code
target/file: Re-enable optional fd_buffered_io=1 operation
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull second s390 update from Martin Schwidefsky:
"The big thing in this pull request is the UAPI patch from David, and
worth mentioning is the page table dumper. The rest are small
improvements and bug fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/entry: fix svc number for TIF_SYSCALL system call restart
s390/mm,vmem: fix vmem_add_mem()/vmem_remove_range()
s390/vmalloc: have separate modules area
s390/zcrypt: remove duplicated include from zcrypt_pcixcc.c
s390/css_chars: remove superfluous ifdef
s390/chsc: make headers usable
s390/mm: let kernel text section always begin at 1MB
s390/mm: fix mapping of read-only kernel text section
s390/mm: add page table dumper
s390: add support to start the kernel in 64 bit mode.
s390/mm,pageattr: remove superfluous EXPORT_SYMBOLs
s390/mm,pageattr: add more page table walk sanity checks
s390/mm: fix pmd_huge() usage for kernel mapping
s390/dcssblk: cleanup device attribute usage
s390/mm: use pfmf instruction to initialize storage keys
s390/facilities: cleanup PFMF and HPAGE machine facility detection
UAPI: (Scripted) Disintegrate arch/s390/include/asm
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Pull nouveau drm fixes from Dave Airlie:
"Just a bunch of nouveau fixes, Ben wants to get some alternate
versions into stable."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/timer: bump ptimer's alarm delay from u32 to u64
drm/nouveau/fan: fix a typo in PWM's input clock calculation
drm/nv50/clk: wire up pll_calc hook
drm/nouveau: remove unused _nouveau_parent_ctor
drm/nouveau/bios: fix shadowing of ACPI ROMs larger than 64KiB
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull generic execve() changes from Al Viro:
"This introduces the generic kernel_thread() and kernel_execve()
functions, and switches x86, arm, alpha, um and s390 over to them."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (26 commits)
s390: convert to generic kernel_execve()
s390: switch to generic kernel_thread()
s390: fold kernel_thread_helper() into ret_from_fork()
s390: fold execve_tail() into start_thread(), convert to generic sys_execve()
um: switch to generic kernel_thread()
x86, um/x86: switch to generic sys_execve and kernel_execve
x86: split ret_from_fork
alpha: introduce ret_from_kernel_execve(), switch to generic kernel_execve()
alpha: switch to generic kernel_thread()
alpha: switch to generic sys_execve()
arm: get rid of execve wrapper, switch to generic execve() implementation
arm: optimized current_pt_regs()
arm: introduce ret_from_kernel_execve(), switch to generic kernel_execve()
arm: split ret_from_fork, simplify kernel_thread() [based on patch by rmk]
generic sys_execve()
generic kernel_execve()
new helper: current_pt_regs()
preparation for generic kernel_thread()
um: kill thread->forking
um: let signal_delivered() do SIGTRAP on singlestepping into handler
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML changes from Richard Weinberger:
"UML receives this time only cleanups.
The most outstanding change is the 'include "foo.h"' do 'include
<foo.h>' conversion done by Al Viro.
It touches many files, that's why the diffstat is rather big."
* 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
typo in UserModeLinux-HOWTO
hppfs: fix the return value of get_inode()
hostfs: drop vmtruncate
um: get rid of pointless include "..." where include <...> will do
um: move sysrq.h out of include/shared
um/x86: merge 32 and 64 bit variants of ptrace.h
um/x86: merge 32 and 64bit variants of checksum.h
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Pull networking updates from David Miller:
1) UAPI changes for networking from David Howells
2) A netlink dump is an operation we can sleep within, and therefore we
need to make sure the dump provider module doesn't disappear on us
meanwhile. Fix from Gao Feng.
3) Now that tunnels support GRO, we have to be more careful in
skb_gro_reset_offset() otherwise we OOPS, from Eric Dumazet.
4) We can end up processing packets for VLANs we aren't actually
configured to be on, fix from Florian Zumbiehl.
5) Fix routing cache removal regression in redirects and IPVS. The
core issue on the IPVS side is that it wants to rewrite who the
nexthop is and we have to explicitly accomodate that case. From
Julian Anastasov.
6) Error code return fixes all over the networking drivers from Peter
Senna Tschudin.
7) Fix routing cache removal regressions in IPSEC, from Steffen
Klassert.
8) Fix deadlock in RDS during pings, from Jeff Liu.
9) Neighbour packet queue can trigger skb_under_panic() because we do
not reset the network header of the SKB in the right spot. From
Ramesh Nagappa.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits)
RDS: fix rds-ping spinlock recursion
netdev/phy: Prototype of_mdio_find_bus()
farsync: fix support for over 30 cards
be2net: Remove code that stops further access to BE NIC based on UE bits
pch_gbe: Fix build error by selecting all the possible dependencies.
e1000e: add device IDs for i218
ixgbe/ixgbevf: Limit maximum jumbo frame size to 9.5K to avoid Tx hangs
ixgbevf: Set the netdev number of Tx queues
UAPI: (Scripted) Disintegrate include/linux/tc_ematch
UAPI: (Scripted) Disintegrate include/linux/tc_act
UAPI: (Scripted) Disintegrate include/linux/netfilter_ipv6
UAPI: (Scripted) Disintegrate include/linux/netfilter_ipv4
UAPI: (Scripted) Disintegrate include/linux/netfilter_bridge
UAPI: (Scripted) Disintegrate include/linux/netfilter_arp
UAPI: (Scripted) Disintegrate include/linux/netfilter/ipset
UAPI: (Scripted) Disintegrate include/linux/netfilter
UAPI: (Scripted) Disintegrate include/linux/isdn
UAPI: (Scripted) Disintegrate include/linux/caif
net: fix typo in freescale/ucc_geth.c
vxlan: fix more sparse warnings
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Pull sparc update from David Miller:
"This is just the UAPI commits for sparc via David Howells."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
UAPI: (Scripted) Disintegrate arch/sparc/include/asm
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Pull slave-dmaengine updates from Vinod Koul:
"This time we have Andy updates on dw_dmac which is attempting to make
this IP block available as PCI and platform device though not fully
complete this time.
We also have TI EDMA moving the dma driver to use dmaengine APIs, also
have a new driver for mmp-tdma, along with bunch of small updates.
Now for your excitement the merge is little unusual here, while
merging the auto merge on linux-next picks wrong choice for pl330
(drivers/dma/pl330.c) and this causes build failure. The correct
resolution is in linux-next. (DMA: PL330: Fix build error) I didn't
back merge your tree this time as you are better than me so no point
in doing that for me :)"
Fixed the pl330 conflict as in linux-next, along with trivial header
file conflicts due to changed includes.
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
dma: tegra: fix interrupt name issue with apb dma.
dw_dmac: fix a regression in dwc_prep_dma_memcpy
dw_dmac: introduce software emulation of LLP transfers
dw_dmac: autoconfigure data_width or get it via platform data
dw_dmac: autoconfigure block_size or use platform data
dw_dmac: get number of channels from hardware if possible
dw_dmac: fill optional encoded parameters in register structure
dw_dmac: mark dwc_dump_chan_regs as inline
DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources
DMA: PL330: Remove redundant runtime_suspend/resume functions
DMA: PL330: Remove controller clock enable/disable
dmaengine: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
DMA: PL330: Set the capability of pdm0 and pdm1 as DMA_PRIVATE
ARM: EXYNOS: Set the capability of pdm0 and pdm1 as DMA_PRIVATE
dma: tegra: use list_move_tail instead of list_del/list_add_tail
mxs/dma: Enlarge the CCW descriptor area to 4 pages
dw_dmac: utilize slave_id to pass request line
dmaengine: mmp_tdma: add dt support
dmaengine: mmp-pdma support
spi: davici - make davinci select edma
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"Core:
- Add DT properties for card detection (broken-cd, cd-gpios,
non-removable)
- Don't poll non-removable devices
- Fixup/rework eMMC sleep mode/"power off notify" feature
- Support eMMC background operations (BKOPS). To set the one-time
programmable fuse that enables bkops on an eMMC that doesn't
already have it set, you can use the "mmc bkops enable" command in:
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
Drivers:
- atmel-mci, dw_mmc, pxa-mci, dove, s3c, spear: Add device tree
support
- bfin_sdh: Add support for the controller in bf60x
- dw_mmc: Support Samsung Exynos SoCs
- eSDHC: Add ADMA support
- sdhci: Support testing a cd-gpio (from slot-gpio) instead of
presence bit
- sdhci-pltfm: Support broken-cd DT property
- tegra: Convert to only supporting DT (mach-tegra has gone DT-only)"
* tag 'mmc-merge-for-3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (67 commits)
mmc: core: Fixup broken suspend and eMMC4.5 power off notify
mmc: sdhci-spear: Add clk_{un}prepare() support
mmc: sdhci-spear: add device tree bindings
mmc: sdhci-s3c: Add clk_(enable/disable) in runtime suspend/resume
mmc: core: Replace MMC_CAP2_BROKEN_VOLTAGE with test for fixed regulator
mmc: sdhci-pxav3: Use sdhci_get_of_property for parsing DT quirks
mmc: dt: Support "broken-cd" property in sdhci-pltfm
mmc: sdhci-s3c: fix the wrong number of max bus clocks
mmc: sh-mmcif: avoid oops on spurious interrupts
mmc: sh-mmcif: properly handle MMC_WRITE_MULTIPLE_BLOCK completion IRQ
mmc: sdhci-s3c: Fix crash on module insertion for second time
mmc: sdhci-s3c: Enable only required bus clock
mmc: Revert "mmc: dw_mmc: Add check for IDMAC configuration"
mmc: mxcmmc: fix bug that may block a data transfer forever
mmc: omap_hsmmc: Pass on the suspend failure to the PM core
mmc: atmel-mci: AP700x PDC is not connected to MCI
mmc: atmel-mci: DMA can be used with other controllers
mmc: mmci: use clk_prepare_enable and clk_disable_unprepare
mmc: sdhci-s3c: Add device tree support
mmc: dw_mmc: add support for exynos specific implementation of dw-mshc
...
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Pull MTD updates from David Woodhouse:
- Disable broken mtdchar mmap() on MMU systems
- Additional ECC tests for NAND flash, and some test cleanups
- New NAND and SPI chip support
- Fixes/cleanup for SH FLCTL NAND controller driver
- Improved hardware support for GPMI NAND controller
- Conversions to device-tree support for various drivers
- Removal of obsolete drivers (sbc8xxx, bcmring, etc.)
- New LPC32xx drivers for MLC and SLC NAND
- Further cleanup of NAND OOB/ECC handling
- UAPI cleanup merge from David Howells (just moving files, since MTD
headers were sorted out long ago to separate user-visible from kernel
bits)
* tag 'for-linus-20121009' of git://git.infradead.org/mtd-2.6: (168 commits)
mtd: Disable mtdchar mmap on MMU systems
UAPI: (Scripted) Disintegrate include/mtd
mtd: nand: detect Samsung K9GBG08U0A, K9GAG08U0F ID
mtd: nand: decode Hynix MLC, 6-byte ID length
mtd: nand: increase max OOB size to 640
mtd: nand: add generic READ ID length calculation functions
mtd: nand: split simple ID decode into its own function
mtd: nand: split extended ID decoding into its own function
mtd: nand: split BB marker options decoding into its own function
mtd: nand: remove redundant ID read
mtd: nand: remove unnecessary variable
mtd: docg4: add missing HAS_IOMEM dependency
mtd: gpmi: initialize the timing registers only one time
mtd: gpmi: add EDO feature for imx6q
mtd: gpmi: do not set the default values for the extra clocks
mtd: gpmi: simplify the DLL setting code
mtd: gpmi: add a new field for HW_GPMI_CTRL1
mtd: gpmi: do not get the clock frequency in gpmi_begin()
mtd: gpmi: add a new field for HW_GPMI_TIMING1
mtd: add helpers to get the supportted ONFI timing mode
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs update from Chris Mason:
"This is a large pull, with the bulk of the updates coming from:
- Hole punching
- send/receive fixes
- fsync performance
- Disk format extension allowing more hardlinks inside a single
directory (btrfs-progs patch required to enable the compat bit for
this one)
I'm cooking more unrelated RAID code, but I wanted to make sure this
original batch makes it in. The largest updates here are relatively
old and have been in testing for some time."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (121 commits)
btrfs: init ref_index to zero in add_inode_ref
Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer
Btrfs: fix page leakage
Btrfs: do not warn_on when we cannot alloc a page for an extent buffer
Btrfs: don't bug on enomem in readpage
Btrfs: cleanup pages properly when ENOMEM in compression
Btrfs: make filesystem read-only when submitting barrier fails
Btrfs: detect corrupted filesystem after write I/O errors
Btrfs: make compress and nodatacow mount options mutually exclusive
btrfs: fix message printing
Btrfs: don't bother committing delayed inode updates when fsyncing
btrfs: move inline function code to header file
Btrfs: remove unnecessary IS_ERR in bio_readpage_error()
btrfs: remove unused function btrfs_insert_some_items()
Btrfs: don't commit instead of overcommitting
Btrfs: confirmation of value is added before trace_btrfs_get_extent() is called
Btrfs: be smarter about dropping things from the tree log
Btrfs: don't lookup csums for prealloc extents
Btrfs: cache extent state when writing out dirty metadata pages
Btrfs: do not hold the file extent leaf locked when adding extent item
...
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Pull CIFS fixes from Steve French.
* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
cifs: reinstate the forcegid option
Convert properly UTF-8 to UTF-16
[CIFS] WARN_ON_ONCE if kernel_sendmsg() returns -ENOSPC
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[it seems that I sent it to the wrong maintainer at first... sorry for that]
copy_from_user was meant instead of copy_to_user.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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In case of error, the function get_inode() returns ERR_PTR().
But the users hppfs_lookup() and hppfs_fill_super() use NULL
test for check the return value, not IS_ERR(), so we'd better
change the return value of get_inode() to NULL instead of
ERR_PTR().
dpatch engine is used to generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Removed vmtruncate.
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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never used by userland-side objects
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This is the revised patch for fixing rds-ping spinlock recursion
according to Venkat's suggestions.
RDS ping/pong over TCP feature has been broken for years(2.6.39 to
3.6.0) since we have to set TCP cork and call kernel_sendmsg() between
ping/pong which both need to lock "struct sock *sk". However, this
lock has already been hold before rds_tcp_data_ready() callback is
triggerred. As a result, we always facing spinlock resursion which
would resulting in system panic.
Given that RDS ping is only used to test the connectivity and not for
serious performance measurements, we can queue the pong transmit to
rds_wq as a delayed response.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
CC: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
CC: David S. Miller <davem@davemloft.net>
CC: James Morris <james.l.morris@oracle.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ensure that of_mdio_find_bus() matches the prototype in the header (and
stop sparse complaining) by including the header with the prototype.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We're trying to fill a 64 bit bitmap but only the lower 30 shifts work
because the shift wraps around.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On certain platforms, BE hardware could falsely indicate UE.
For BE family of NICs, do not set hw_error based on the UE bits.
If there was a real fatal error, the corresponding h/w block will
automatically go offline and stop traffic.
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fengguang reported a kernel build failure as following:
drivers/built-in.o: In function `pch_gbe_ioctl':
pch_gbe_main.c:(.text+0x510370): undefined reference to `pch_ch_control_write'
pch_gbe_main.c:(.text+0x510393): undefined reference to `pch_ch_control_write'
pch_gbe_main.c:(.text+0x5103b3): undefined reference to `pch_ch_control_write'
...
It's a regression by commit da1586461. The root cause is that
the CONFIG_PPS is not set there, consequently CONFIG_PTP_1588_CLOCK
can not be set anyway, which finally causes ptp_pch and pch_gbe_main
build failures.
As David prefers to use *select* to fix such module co-dependency issues,
this patch explicitly selects all the possible dependencies of PCH_PTP.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Haicheng Li <haicheng.lee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pulled mainline in order to get the UAPI infrastructure already
merged before I pull in David Howells's UAPI trees for networking.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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This code was broken because it assumed that all MTD devices were map-based.
Disable it for now, until it can be fixed properly for the next merge window.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Conflicts:
MAINTAINERS
arch/arm/configs/bcmring_defconfig
arch/arm/mach-imx/clk-imx51-imx53.c
drivers/mtd/nand/Kconfig
drivers/mtd/nand/bcm_umi_nand.c
drivers/mtd/nand/nand_bcm_umi.h
drivers/mtd/nand/orion_nand.c
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In csum_dirty_buffer, we first get eb from page->private.
Then we check if the page is the first page of eb. Later
we check it again. Remove the repeated check here.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
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Alloc_dummy_extent_buffer will not free the first page in the eb array if we
fail to allocate a page, fix this. Thanks,
Reported-by: David Sterba <dave@jikos.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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It's just annoying and the user will have gotten a nice OOM killer message
so they are already fully aware they are screwed :). Thanks,
Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Get rid of the BUG_ON(ret == -ENOMEM) in __extent_read_full_page. Thanks,
Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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We were freeing non-existent pages which was causing a panic for a user who
was suffering from ENOMEM. This patch fixes the problem. Thanks,
Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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So far the return code of barrier_all_devices() is ignored, which
means that errors are ignored. The result can be a corrupt
filesystem which is not consistent.
This commit adds code to evaluate the return code of
barrier_all_devices(). The normal btrfs_error() mechanism is used to
switch the filesystem into read-only mode when errors are detected.
In order to decide whether barrier_all_devices() should return
error or success, the number of disks that are allowed to fail the
barrier submission is calculated. This calculation accounts for the
worst RAID level of metadata, system and data. If single, dup or
RAID0 is in use, a single disk error is already considered to be
fatal. Otherwise a single disk error is tolerated.
The calculation of the number of disks that are tolerated to fail
the barrier operation is performed when the filesystem gets mounted,
when a balance operation is started and finished, and when devices
are added or removed.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
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In check-integrity, detect when a superblock is written that points
to blocks that have not been written to disk due to I/O write errors.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
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If a filesystem is mounted with compression and then remounted by adding nodatacow,
the compression is disabled but the compress flag is still visible.
Also, if a filesystem is mounted with nodatacow and then remounted with compression,
nodatacow flag is still present but it's not active.
This patch:
- removes compress flags and notifies that the compression has been disabled if the
filesystem is mounted with nodatacow
- removes nodatacow and nodatasum flags if mounted with compress.
Signed-off-by: Andrei Popa <andrei.popa@i-neo.ro>
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Fix various messages to include newline and module prefix.
Signed-off-by: Daniel J Blueman <daniel@quora.org>
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We can just copy the in memory inode into the tree log directly, no sense in
updating the fs tree so we can copy it into the tree log tree. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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When building btrfs from kernel code, it will report:
fs/btrfs/extent_io.h:281: warning: 'extent_buffer_page' declared inline after being called
fs/btrfs/extent_io.h:281: warning: previous declaration of 'extent_buffer_page' was here
fs/btrfs/extent_io.h:280: warning: 'num_extent_pages' declared inline after being called
fs/btrfs/extent_io.h:280: warning: previous declaration of 'num_extent_pages' was here
because of the wrong declaration of inline functions.
Signed-off-by: Robin Dong <sanbai@taobao.com>
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Because the value of extent_map is only a correct value or NULL,
so IS_ERR is unnecessary.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
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The function btrfs_insert_some_items() would not be called by any other functions,
so remove it.
Signed-off-by: Robin Dong <sanbai@taobao.com>
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I don't think we have the same problem that this was supposed to fix
originally since we can allocate chunks in the enospc path now. This code
is causing us to constantly commit the transaction as we get close to using
all of our available space in our currently allocated chunks, instead of
allocating another chunk and carrying on with life, which is not nice for
performance. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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We should confirm the value of extent_map before calling
trace_btrfs_get_extent() because the value of extent_map has the
possibility of NULL.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
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When we truncate existing items in the tree log we've been searching for
each individual item and removing them. This is unnecessary churn and
searching, just keep track of the slot we are on and how many items we need
to delete and delete them all at once. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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The tree logging stuff was looking up csums to copy over for prealloc
extents which is just work we don't need to be doing. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Everytime we write out dirty pages we search for an offset in the tree,
convert the bits in the state, and then when we wait we search for the
offset again and clear the bits. So for every dirty range in the io tree we
are doing 4 rb searches, which is suboptimal. With this patch we are only
doing 2 searches for every cycle (modulo weird things happening). Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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