Introduce ceph_osd_request_target, containing all mapping-related
fields of ceph_osd_request and calc_target() for calculating mappings
and populating it.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Add and decode pi->min_size and pi->last_force_request_resend. These
are going to be used by calc_target().
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
calc_target() code is going to need to know how to compare PGs. Take
lhs and rhs pgid by const * while at it.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Rename ceph_calc_pg_primary() to ceph_pg_to_acting_primary() to
emphasise that it returns acting primary.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Knowning just acting set isn't enough, we need to be able to record up
set as well to detect interval changes. This means returning (up[],
up_len, up_primary, acting[], acting_len, acting_primary) and passing
it around. Introduce and switch to ceph_osds to help with that.
Rename ceph_calc_pg_acting() to ceph_pg_to_up_acting_osds() and return
both up and acting sets from it.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Rename ceph_oloc_oid_to_pg() to ceph_object_locator_to_pg(). Emphasise
that returned is raw PG and return -ENOENT instead of -EIO if the pool
doesn't exist.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
eversion_t is version+epoch in userspace and is encoded in that order.
ceph_eversion is defined as epoch+version in rados.h, yet we memcpy it
in __send_request(). Reoder ceph_eversion fields.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Given
struct foo {
u64 id;
struct rb_node bar_node;
};
generate insert_bar(), erase_bar() and lookup_bar() functions with
DEFINE_RB_FUNCS(bar, struct foo, id, bar_node)
The key is assumed to be an integer (u64, int, etc), compared with
< and >. nodefld has to be initialized with RB_CLEAR_NODE().
Start using it for MDS, MON and OSD requests and OSD sessions.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Switch to ceph_object_id and use ceph_oid_aprintf() instead of a bare
const char *. This reduces noise in rbd_dev_header_name().
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Currently ceph_object_id can hold object names of up to 100
(CEPH_MAX_OID_NAME_LEN) characters. This is enough for all use cases,
expect one - long rbd image names:
- a format 1 header is named "<imgname>.rbd"
- an object that points to a format 2 header is named "rbd_id.<imgname>"
We operate on these potentially long-named objects during rbd map, and,
for format 1 images, during header refresh. (A format 2 header name is
a small system-generated string.)
Lift this 100 character limit by making ceph_object_id be able to point
to an externally-allocated string. Apart from being able to work with
almost arbitrarily-long named objects, this allows us to reduce the
size of ceph_object_id from >100 bytes to 64 bytes.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
For a message pool message, preallocate a page, just like we do for
osd_op. For a normal message, take ceph_object_id into account and
don't bother subtracting CEPH_OSD_SLAB_OPS ceph_osd_ops.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
The size of ->r_request and ->r_reply messages depends on the size of
the object name (ceph_object_id), while the size of ceph_osd_request is
fixed. Move message allocation into a separate function that would
have to be called after ceph_object_id and ceph_object_locator (which
is also going to become variable in size with RADOS namespaces) have
been filled in:
req = ceph_osdc_alloc_request(...);
<fill in req->r_base_oid>
<fill in req->r_base_oloc>
ceph_osdc_alloc_messages(req);
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
ceph_osdc_build_request() is going away. Grab snapc and initialize
->r_snapid in ceph_osdc_alloc_request().
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
By the time we get to checking for_each_obj_request_safe(img_request)
terminating condition, all obj_requests may be complete and img_request
ref, that rbd_img_request_submit() takes away from its caller, may be
put. Moving the next_obj_request cursor is then a use-after-free on
img_request.
It's totally benign, as the value that's read is never used, but
I think it's still worth fixing.
Cc: Alex Elder <elder@linaro.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
- Stable-candidate cpuidle fix to make it check the right variable
when deciding whether or not to enable interrupts on the local CPU
so as to avoid enabling iterrupts too early in some cases if the
system has both coupled and per-core idle states (Daniel Lezcano).
- Stable-candidate PM core fix to make it handle failures at the
"late suspend" stage of device suspend consistently for all
devices regardless of whether or not async suspend/resume is
enabled for them (Rafael Wysocki).
- Cleanups in the cpufreq core, the schedutil governor and the
intel_pstate driver (Rafael Wysocki, Pankaj Gupta, Viresh Kumar).
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Merge tag 'pm-4.7-rc1-more' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are two stable-candidate fixes (PM core, cpuidle) and a bunch of
cpufreq cleanups.
Specifics:
- Stable-candidate cpuidle fix to make it check the right variable
when deciding whether or not to enable interrupts on the local CPU
so as to avoid enabling iterrupts too early in some cases if the
system has both coupled and per-core idle states (Daniel Lezcano).
- Stable-candidate PM core fix to make it handle failures at the
"late suspend" stage of device suspend consistently for all devices
regardless of whether or not async suspend/resume is enabled for
them (Rafael Wysocki).
- Cleanups in the cpufreq core, the schedutil governor and the
intel_pstate driver (Rafael Wysocki, Pankaj Gupta, Viresh Kumar)"
* tag 'pm-4.7-rc1-more' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / sleep: Handle failures in device_suspend_late() consistently
cpufreq: schedutil: Improve prints messages with pr_fmt
cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
cpufreq: simplified goto out in cpufreq_register_driver()
cpufreq: governor: CPUFREQ_GOV_STOP never fails
cpufreq: governor: CPUFREQ_GOV_POLICY_EXIT never fails
intel_pstate: Simplify conditional in intel_pstate_set_policy()
the only case when we should skip the iterate_and_advance() guts
is when nothing's left in the iterator, _not_ just when requested
amount is 0. Said guts will do nothing in the latter case anyway;
the problem we tried to deal with in the aforementioned commit is
that when there's nothing left *and* the amount requested is 0,
we might end up deferencing one iovec too many; the value we fetch
from there is discarded in that case, but theoretically it might
oops if the iovec array ends exactly at the end of page with the
next page not mapped.
Bailing out on zero size requested had an unexpected side effect -
zero-length segment in the beginning of iovec array ended up
throwing do_loop_readv_writev() into infinite spin; we do not
advance past the empty segment at all. Reproducer is trivial:
echo '#include <sys/uio.h>' >a.c
echo 'main() {char c; struct iovec v[] = {{&c,0},{&c,1}}; readv(0,v,2);}' >>a.c
cc a.c && ./a.out </proc/uptime
which should end up with the process not hanging. Probably ought to
go into LTP or xfstests...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Commit 98e9cb57 improved the xattr name checks in xattr_resolve_name but
didn't update the NULL attribute name check appropriately, so NULL
attribute names lead to NULL pointer dereferences. Turn that into
-EINVAL results instead.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
fs/xattr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This set of changes introduces an atomic API to the PWM subsystem. This
is influenced by the DRM atomic API that was introduced a while back,
though it is obviously a lot simpler. The fundamental idea remains the
same, though: drivers provide a single callback to implement the atomic
configuration of a PWM channel.
As a side-effect the PWM subsystem gains the ability for initial state
retrieval, so that the logical state mirrors that of the hardware. Many
use-cases don't care about this, but for others it is essential.
These new features require changes in all users, which these patches
take care of. The core is transitioned to use the atomic callback if
available and provides a fallback mechanism for other drivers.
Changes to transition users and drivers to the atomic API are postponed
to v4.8.
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Merge tag 'pwm/for-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set of changes introduces an atomic API to the PWM subsystem.
This is influenced by the DRM atomic API that was introduced a while
back, though it is obviously a lot simpler. The fundamental idea
remains the same, though: drivers provide a single callback to
implement the atomic configuration of a PWM channel.
As a side-effect the PWM subsystem gains the ability for initial state
retrieval, so that the logical state mirrors that of the hardware.
Many use-cases don't care about this, but for others it is essential.
These new features require changes in all users, which these patches
take care of. The core is transitioned to use the atomic callback if
available and provides a fallback mechanism for other drivers.
Changes to transition users and drivers to the atomic API are
postponed to v4.8"
* tag 'pwm/for-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (30 commits)
pwm: Add information about polarity, duty cycle and period to debugfs
pwm: Switch to the atomic API
pwm: Update documentation
pwm: Add core infrastructure to allow atomic updates
pwm: Add hardware readout infrastructure
pwm: Move the enabled/disabled info into pwm_state
pwm: Introduce the pwm_state concept
pwm: Keep PWM state in sync with hardware state
ARM: Explicitly apply PWM config extracted from pwm_args
drm: i915: Explicitly apply PWM config extracted from pwm_args
input: misc: pwm-beeper: Explicitly apply PWM config extracted from pwm_args
input: misc: max8997: Explicitly apply PWM config extracted from pwm_args
backlight: lm3630a: explicitly apply PWM config extracted from pwm_args
backlight: lp855x: Explicitly apply PWM config extracted from pwm_args
backlight: lp8788: Explicitly apply PWM config extracted from pwm_args
backlight: pwm_bl: Use pwm_get_args() where appropriate
fbdev: ssd1307fb: Use pwm_get_args() where appropriate
regulator: pwm: Use pwm_get_args() where appropriate
leds: pwm: Use pwm_get_args() where appropriate
input: misc: max77693: Use pwm_get_args() where appropriate
...
The mds can inform the client not to use the IOMODE_RW layout
segment for doing READs. I.e., it is basically a
IOMODE_WRITE layout segment.
It would do this to not interfere with the WRITEs.
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Pull watchdog updates from Wim Van Sebroeck:
- add support for Fintek F81865 Super-IO chip
- add support for watchdogs (RWDT and SWDT) found on RCar Gen3 based
SoCs from Renesas
- octeon: Handle the FROZEN hot plug notifier actions
- f71808e_wdt fixes and cleanups
- some small improvements in code and documentation
* git://www.linux-watchdog.org/linux-watchdog:
MAINTAINERS: Add file patterns for watchdog device tree bindings
Documentation: Add ebc-c384_wdt watchdog-parameters.txt entry
watchdog: shwdt: Use setup_timer()
watchdog: cpwd: Use setup_timer()
arm64: defconfig: enable Renesas Watchdog Timer
watchdog: renesas-wdt: add driver
watchdog: remove error message when unable to allocate watchdog device
watchdog: f71808e_wdt: Fix WDTMOUT_STS register read
watchdog: f71808e_wdt: Fix typo
watchdog: f71808e_wdt: Add F81865 support
watchdog: sp5100_tco: properly check for new register layouts
watchdog: core: Fix circular locking dependency
watchdog: core: fix trivial typo in a comment
watchdog: hpwdt: Adjust documentation to match latest kernel module parameters.
watchdog: imx2_wdt: add external reset support via dt prop
watchdog: octeon: Handle the FROZEN hot plug notifier actions.
watchdog: qcom: Report reboot reason
- Hide INTx on certain known broken devices (Alex Williamson)
- Additional backdoor reset detection (Alex Williamson)
- Remove unused iommudata reference (Alexey Kardashevskiy)
- Use cfg_size to avoid probing extended config space (Alexey Kardashevskiy)
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Merge tag 'vfio-v4.7-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Hide INTx on certain known broken devices (Alex Williamson)
- Additional backdoor reset detection (Alex Williamson)
- Remove unused iommudata reference (Alexey Kardashevskiy)
- Use cfg_size to avoid probing extended config space (Alexey
Kardashevskiy)
* tag 'vfio-v4.7-rc1' of git://github.com/awilliam/linux-vfio:
vfio_pci: Test for extended capabilities if config space > 256 bytes
vfio_iommu_spapr_tce: Remove unneeded iommu_group_get_iommudata
vfio/pci: Add test for BAR restore
vfio/pci: Hide broken INTx support from user
Pull header warning fix from Dave Airlie:
"Here is the C++ guards warning fix from Arnd"
[ Background: there are 'extern "C" { }' guards in include/uapi for the
GPU headers.
They should arguably be wrapped somehow, but as it is they caused
checkpatch to warn because it would trigger on the 'extern' and think
it's exporting a function or variable from the kernel to user space.
This just fixes checkpatch. Whether we wrap the C++ guards some way
in the future will be an independent issue. ]
* tag 'drm-4.7-rc1-headers-fix' of git://people.freedesktop.org/~airlied/linux:
headers_check: don't warn about c++ guards
Pull parisc updates from Helge Deller:
- Add native high-resolution timing code for sched_clock() and other
timing functions based on the processor internal cr16 cycle counters
- Add syscall tracepoint support
- Add regset support
- Speed up get_user() and put_user() functions
- Updated futex.h to match generic implementation (John David Anglin)
- A few smaller ftrace build fixes
- Fixed thuge-gen kernel self test to utilize architectured MAP_HUGETLB
value
- Added parisc architecture to seccomp_bpf kernel self test
- Various typo fixes (Andrea Gelmini)
* 'parisc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Whitespace cleanups in unistd.h
parisc: Use long jump to reach ftrace_return_to_handler()
parisc: Fix typo in fpudispatch.c
parisc: Fix typos in eisa_eeprom.h
parisc: Fix typo in ldcw.h
parisc: Fix typo in pdc.h
parisc: Update futex.h to match generic implementation
parisc: Merge ftrace C-helper and assembler functions into .text.hot section
selftests/thuge-gen: Use platform specific MAP_HUGETLB value
parisc: Add native high-resolution sched_clock() implementation
parisc: Add ARCH_TRACEHOOK and regset support
parisc: Add 64bit get_user() and put_user() for 32bit kernel
parisc: Simplify and speed up get_user() and put_user()
parisc: Add syscall tracepoint support
Commit:
b5179ac70d ("sched/fair: Prepare to fix fairness problems on migration")
... introduced a bug: Mike Galbraith found that it introduced a
performance regression, while Paul E. McKenney reported lost
wakeups and bisected it to this commit.
The reason is that I mis-read ttwu_queue() such that I assumed any
wakeup that got a remote queue must have had the task migrated.
Since this is not so; we need to transfer this information between
queueing the wakeup and actually doing the wakeup. Use a new
task_struct::sched_flag for this, we already write to
sched_contributes_to_load in the wakeup path so this is a hot and
modified cacheline.
Reported-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reported-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Tested-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Hunter <ahh@google.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ben Segall <bsegall@google.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Morten Rasmussen <morten.rasmussen@arm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Turner <pjt@google.com>
Cc: Pavan Kondeti <pkondeti@codeaurora.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: byungchul.park@lge.com
Fixes: b5179ac70d ("sched/fair: Prepare to fix fairness problems on migration")
Link: http://lkml.kernel.org/r/20160523091907.GD15728@worktop.ger.corp.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This is a first set of bug fixes on top of what was merged for 4.7.
Two patches for lpc32xx address a harmless build warning that was
just introduced, one patch for the mediatek soc driver fixes a warning
for arm64, and the pxa changes are minor cleanups that should have
been part of the original pull requests but that I forgot to apply
to the cleanup-fixes branch earlier.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a first set of bug fixes on top of what was merged for 4.7.
Two patches for lpc32xx address a harmless build warning that was just
introduced, one patch for the mediatek soc driver fixes a warning for
arm64, and the pxa changes are minor cleanups that should have been
part of the original pull requests but that I forgot to apply to the
cleanup-fixes branch earlier"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: lpc32xx: fix NR_IRQS confict
ARM: lpc32xx: remove legacy irq controller driver
soc: mtk-pmic-wrap: avoid integer overflow warning
ARM: pxa: Remove CLK_IS_ROOT
ARM: pxa: activate pinctrl for device-tree machines
This is a collection of a few late fixes and other misc. stuff that
had dependencies on things being merged from other trees.
The Renesas R-Car power domain handling, and the Nvidia Tegra USB
support both hand notable changes that required changing the DT binding
in a way that only provides compatibility with old DT blobs on new
kernels but not vice versa. As a consequence, the DT changes
are based on top of the driver changes and are now in this branch.
For NXP i.MX and Samsung Exynos, the changes in here depend on
other changes that got merged through the clk maintainer tree.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late DT updates from Arnd Bergmann:
"This is a collection of a few late fixes and other misc stuff that had
dependencies on things being merged from other trees.
The Renesas R-Car power domain handling, and the Nvidia Tegra USB
support both hand notable changes that required changing the DT
binding in a way that only provides compatibility with old DT blobs on
new kernels but not vice versa. As a consequence, the DT changes are
based on top of the driver changes and are now in this branch.
For NXP i.MX and Samsung Exynos, the changes in here depend on other
changes that got merged through the clk maintainer tree"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
ARM: dts: exynos: Add support of Bus frequency using VDD_INT for exynos5422-odroidxu3
ARM: dts: exynos: Add bus nodes using VDD_INT for Exynos542x SoC
ARM: dts: exynos: Add NoC Probe dt node for Exynos542x SoC
ARM: dts: exynos: Add support of bus frequency for exynos4412-trats/odroidu3
ARM: dts: exynos: Expand the voltage range of buck1/3 regulator for exynos4412-odroidu3
ARM: dts: exynos: Add support of bus frequency using VDD_INT for exynos3250-rinato
ARM: dts: exynos: Add exynos4412-ppmu-common dtsi to delete duplicate PPMU nodes
ARM: dts: exynos: Add bus nodes using VDD_MIF for Exynos4210
ARM: dts: exynos: Add bus nodes using VDD_INT for Exynos4x12
ARM: dts: exynos: Add bus nodes using VDD_MIF for Exynos4x12
ARM: dts: exynos: Add bus nodes using VDD_INT for Exynos3250
ARM: dts: exynos: Add DMC bus frequency for exynos3250-rinato/monk
ARM: dts: exynos: Add DMC bus node for Exynos3250
ARM: tegra: Enable XUSB on Nyan
ARM: tegra: Enable XUSB on Jetson TK1
ARM: tegra: Enable XUSB on Venice2
ARM: tegra: Add Tegra124 XUSB controller
ARM: tegra: Move Tegra124 to the new XUSB pad controller binding
ARM: dts: r8a7794: Use SYSC "always-on" PM Domain
ARM: dts: r8a7793: Use SYSC "always-on" PM Domain
...
I have only one patch for asm-generic in this release, this one is from
James Hogan and updates the generic system call table for renameat2
so we don't need to provide both renameat and renameat2 in newly
added architectures.
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Merge tag 'asm-generic-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanup from Arnd Bergmann:
"I have only one patch for asm-generic in this release, this one is
from James Hogan and updates the generic system call table for
renameat2 so we don't need to provide both renameat and renameat2 in
newly added architectures"
* tag 'asm-generic-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: Drop renameat syscall from default list
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Merge tag 'nfsd-4.7' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"A very quiet cycle for nfsd, mainly just an RDMA update from Chuck
Lever"
* tag 'nfsd-4.7' of git://linux-nfs.org/~bfields/linux:
sunrpc: fix stripping of padded MIC tokens
svcrpc: autoload rdma module
svcrdma: Generalize svc_rdma_xdr_decode_req()
svcrdma: Eliminate code duplication in svc_rdma_recvfrom()
svcrdma: Drain QP before freeing svcrdma_xprt
svcrdma: Post Receives only for forward channel requests
svcrdma: Remove superfluous line from rdma_read_chunks()
svcrdma: svc_rdma_put_context() is invoked twice in Send error path
svcrdma: Do not add XDR padding to xdr_buf page vector
svcrdma: Support IPv6 with NFS/RDMA
nfsd: handle seqid wraparound in nfsd4_preprocess_layout_stateid
Remove unnecessary allocation
after a crash and a potential BUG_ON crash if a file has the data
journalling flag enabled while it has dirty delayed allocation blocks
that haven't been written yet. Also fix a potential crash in the new
project quota code and a maliciously corrupted file system.
In addition, fix some DAX-specific bugs, including when there is a
transient ENOSPC situation and races between writes via direct I/O and
an mmap'ed segment that could lead to lost I/O.
Finally the usual set of miscellaneous cleanups.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Fix a number of bugs, most notably a potential stale data exposure
after a crash and a potential BUG_ON crash if a file has the data
journalling flag enabled while it has dirty delayed allocation blocks
that haven't been written yet. Also fix a potential crash in the new
project quota code and a maliciously corrupted file system.
In addition, fix some DAX-specific bugs, including when there is a
transient ENOSPC situation and races between writes via direct I/O and
an mmap'ed segment that could lead to lost I/O.
Finally the usual set of miscellaneous cleanups"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (23 commits)
ext4: pre-zero allocated blocks for DAX IO
ext4: refactor direct IO code
ext4: fix race in transient ENOSPC detection
ext4: handle transient ENOSPC properly for DAX
dax: call get_blocks() with create == 1 for write faults to unwritten extents
ext4: remove unmeetable inconsisteny check from ext4_find_extent()
jbd2: remove excess descriptions for handle_s
ext4: remove unnecessary bio get/put
ext4: silence UBSAN in ext4_mb_init()
ext4: address UBSAN warning in mb_find_order_for_block()
ext4: fix oops on corrupted filesystem
ext4: fix check of dqget() return value in ext4_ioctl_setproject()
ext4: clean up error handling when orphan list is corrupted
ext4: fix hang when processing corrupted orphaned inode list
ext4: remove trailing \n from ext4_warning/ext4_error calls
ext4: fix races between changing inode journal mode and ext4_writepages
ext4: handle unwritten or delalloc buffers before enabling data journaling
ext4: fix jbd2 handle extension in ext4_ext_truncate_extend_restart()
ext4: do not ask jbd2 to write data for delalloc buffers
jbd2: add support for avoiding data writes during transaction commits
...
With the change to sparse IRQs, the lpc32xx platform gets a warning about
conflicting macros:
In file included from arch/arm/mach-lpc32xx/irq.c:31:0:
arch/arm/mach-lpc32xx/include/mach/irqs.h:115:0: warning: "NR_IRQS" redefined
#define NR_IRQS 96
arch/arm/include/asm/irq.h:9:0: note: this is the location of the previous definition
#define NR_IRQS NR_IRQS_LEGACY
One such instance was in the old irq driver that is now removed by
the previous patch, but any other file including mach/irqs.h still
has the issue. Since none of them use this constant, we can just
remove the old definition.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 8cb17b5ed0 ("irqchip: Add LPC32xx interrupt controller driver")
New NXP LPC32xx irq chip driver is used instead of a legacy one.
[this also fixes a harmless build warning about the NR_IRQS redefinition]
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Another quiet release for SPI, almost entirely driver specific changes
with the diffstat dominated by two new drivers which are about two
thirds of it in terms of lines of code:
- New drivers for PIC32 standard and SQI controllers.
- The Cadence driver has had runtime PM support added and quite a few
fixes and cleanups.
- The flash-specific accelerated path support now has a feature query
interface.
- The pxa2xx driver has been moved to use the core DMA mapping support.
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Merge tag 'spi-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Another quiet release for SPI, almost entirely driver specific changes
with the diffstat dominated by two new drivers which are about two
thirds of it in terms of lines of code:
- new drivers for PIC32 standard and SQI controllers
- the Cadence driver has had runtime PM support added and quite a few
fixes and cleanups
- flash-specific accelerated path support now has a feature query
interface
- the pxa2xx driver has been moved to use the core DMA mapping support"
* tag 'spi-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (48 commits)
spi: pic32-sqi: Fix linker error, undefined reference to `bad_dma_ops'
spi: dw-pci: Spelling s/paltforms/platforms/g
spi: pic32-sqi: Remove pic32_sqi_setup and pic32_sqi_cleanup
spi: Fix simple typo s/impelment/implement
spi: rockchip: potential NULL dereference on error
spi: zynqmp: disable clocks in error paths
spi: Drop unnecessary dependencies on relaxed I/O accessors
spi: qup: Add spi_master_put in remove function
spi: qup: Handle clocks in pm_runtime suspend and resume
spi: st-ssc4: Fix missing spi_master_put in spi_st_probe error paths
spi: st-ssc4: Allow compile test build
spi: omap2-mcspi: Use dma_request_chan() for requesting DMA channel
spi: davinci: Use dma_request_chan() for requesting DMA channel
spi: pic32: Fix checking return value of devm_ioremap_resource
spi: spi-fsl-dspi: Update DT binding documentation
spi: Drop duplicate code to set master->dev.parent
spi: pic32: Set proper bits_per_word_mask
spi: return error if kmap'd buffers passed to spi_map_buf()
spi: core: add hook flash_read_supported to spi_master
spi: pic32-sqi: silence array overflow warning
...
First cycle with Boris as NAND maintainer! Many (most) bullets stolen from him.
Generic:
* Migrated NAND LED trigger to be a generic MTD trigger
NAND:
* Introduction of the "ECC algorithm" concept, to avoid overloading the ECC
mode field too much more
* Replaced the nand_ecclayout infrastructure with something a little more
flexible (finally!) and future proof
* Rework of the OMAP GPMC and NAND drivers; the TI folks pulled some of
this into their own tree as well
* Prepare the sunxi NAND driver to receive DMA support
* Handle bitflips in erased pages on GPMI revisions that do not support
this in hardware.
SPI NOR:
* Start using the spi_flash_read() API for SPI drivers that support it (i.e.,
SPI drivers with special memory-mapped flash modes)
And other small scattered improvments.
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Merge tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"First cycle with Boris as NAND maintainer! Many (most) bullets stolen
from him.
Generic:
- Migrated NAND LED trigger to be a generic MTD trigger
NAND:
- Introduction of the "ECC algorithm" concept, to avoid overloading
the ECC mode field too much more
- Replaced the nand_ecclayout infrastructure with something a little
more flexible (finally!) and future proof
- Rework of the OMAP GPMC and NAND drivers; the TI folks pulled some
of this into their own tree as well
- Prepare the sunxi NAND driver to receive DMA support
- Handle bitflips in erased pages on GPMI revisions that do not
support this in hardware.
SPI NOR:
- Start using the spi_flash_read() API for SPI drivers that support
it (i.e., SPI drivers with special memory-mapped flash modes)
And other small scattered improvments"
* tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd: (155 commits)
mtd: spi-nor: support GigaDevice gd25lq64c
mtd: nand_bch: fix spelling of "probably"
mtd: brcmnand: respect ECC algorithm set by NAND subsystem
gpmi-nand: Handle ECC Errors in erased pages
Documentation: devicetree: deprecate "soft_bch" nand-ecc-mode value
mtd: nand: add support for "nand-ecc-algo" DT property
mtd: mtd: drop NAND_ECC_SOFT_BCH enum value
mtd: drop support for NAND_ECC_SOFT_BCH as "soft_bch" mapping
mtd: nand: read ECC algorithm from the new field
mtd: nand: fsmc: validate ECC setup by checking algorithm directly
mtd: nand: set ECC algorithm to Hamming on fallback
staging: mt29f_spinand: set ECC algorithm explicitly
CRIS v32: nand: set ECC algorithm explicitly
mtd: nand: atmel: set ECC algorithm explicitly
mtd: nand: davinci: set ECC algorithm explicitly
mtd: nand: bf5xx: set ECC algorithm explicitly
mtd: nand: omap2: Fix high memory dma prefetch transfer
mtd: nand: omap2: Start dma request before enabling prefetch
mtd: nandsim: add __init attribute
mtd: nand: move of_get_nand_xxx() helpers into nand_base.c
...
Looks like a quiet cycle for virtio. There's a new inorder option for the
ringtest tool, and a bugfix for balloon for ppc platforms when using virtio 1
mode.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"Looks like a quiet cycle for virtio. There's a new inorder option for
the ringtest tool, and a bugfix for balloon for ppc platforms when
using virtio 1 mode"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
ringtest: pass buf != NULL
virtio_balloon: fix PFN format for virtio-1
virtio: add inorder option
- Wire-up new syscalls
- Fix link error
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Merge tag 'microblaze-4.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull Microblaze updates from Michal Simek:
- Wire-up new syscalls
- Fix link error
* tag 'microblaze-4.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: pci: export isa_io_base to fix link errors
microblaze: Wire up userfaultfd, membarrier, mlock2 syscalls
Instead of having two functions for cycling through the E820 map in
order to count to be remapped pages and remap them later, just use one
function with a caller supplied sub-function called for each region to
be processed. This eliminates the possibility of a mismatch between
both loops which showed up in certain configurations.
Suggested-by: Ed Swierk <eswierk@skyportsystems.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
b4ff8389ed is incomplete: relies on nr_legacy_irqs() to get the number
of legacy interrupts when actually nr_legacy_irqs() returns 0 after
probe_8259A(). Use NR_IRQS_LEGACY instead.
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
CC: stable@vger.kernel.org
The XEN UEFI code has become available on the ARM architecture
recently, but now causes a link-time warning:
ld: warning: drivers/xen/efi.o uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail
This seems harmless, because the efi code only uses 2-byte
characters when interacting with EFI, so we don't pass on those
strings to elsewhere in the system, and we just need to
silence the warning.
It is not clear to me whether we actually need to build the file
with the -fshort-wchar flag, but if we do, then we should also
pass --no-wchar-size-warning to the linker, to avoid the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Fixes: 37060935dc04 ("ARM64: XEN: Add a function to initialize Xen specific UEFI runtime services")
