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2013-02-20Btrfs: check the return value of btrfs_run_ordered_operations()Miao Xie
We forget to check the return value of btrfs_run_ordered_operations() when flushing all the pending stuffs, fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: check the return value of btrfs_start_delalloc_inodes()Miao Xie
We forget to check the return value of btrfs_start_delalloc_inodes(), fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: make raid attr array more readableMiao Xie
The current code of raid attr arry is hard to understand and it is easy to introduce some problem if we modify the array. So I changed it and made it more readable. Cc: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: record first logical byte in memoryLiu Bo
This'd save us a rbtree search which may become expensive in large filesystem. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: save us a read_lockLiu Bo
This does not change the logic of code, but can save us a read_lock. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: use token to avoid times mapping extent bufferLiu Bo
The API in tree log code has done sort of changes, and it proves that we can benifit from using token, so do the same thing here. function_graph tracer's timer shows that it costs nearly half time of before(39.788us -> 22.391us). Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: kill unused argument of btrfs_pin_extent_for_log_replayLiu Bo
Argument 'trans' is not used any more. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: kill unused argument of update_block_groupLiu Bo
Argument 'trans' is not used any more. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: kill unused arguments of cache_block_groupLiu Bo
Argument 'trans' and 'root' are not used any more. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: remove deprecated commentsLiu Bo
commit d53ba47484ed6245e640ee4bfe9d21e9bfc15765 (Btrfs: use commit root when loading free space cache) has remove the deadlock check, and the related comments can be removed as well. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: don't re-enter when allocating a chunkJosef Bacik
If we start running low on metadata space we will try to allocate a chunk, which could then try to allocate a chunk to add the device entry. The thing is we allocate a chunk before we try really hard to make the allocation, so we should be able to find space for the device entry. Add a flag to the trans handle so we know we're currently allocating a chunk so we can just bail out if we try to allocate another chunk. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: wait on ordered extents at the last possible momentJosef Bacik
Since we don't actually copy the extent information from the source tree in the fast case we don't need to wait for ordered io to be completed in order to fsync, we just need to wait for the io to be completed. So when we're logging our file just attach all of the ordered extents to the log, and then when the log syncs just wait for IO_DONE on the ordered extents and then write the super. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: fix trivial error in btrfs_ioctl_resize()Miao Xie
This patch fixes the following problem: - improper return value - unnecessary read-only check Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: use wrapper page_offsetMiao Xie
Use wrapper page_offset to get byte-offset into filesystem object for page. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: flush all dirty inodes if writeback can not startMiao Xie
We may try to flush some dirty pages when there is no enough space to reserve. But it is possible that this operation fails, in order to get enough space to reserve successfully, we will sync all the delalloc file. This operation is safe, we needn't worry about the case that the filesystem goes from r/w to r/o. because the filesystem should guarantee all the dirty pages have been written into the disk after it becomes readonly, so the sync operation will do nothing if the filesystem is already readonly. Though it may waste lots of time, as a corner case, we needn't care. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: make delayed ref lock logic more readableMiao Xie
Locking and unlocking delayed ref mutex are in the different functions, and the name of lock functions is not uniform, so the readability is not so good, this patch optimizes the lock logic and makes it more readable. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: fix lots of orphan inodes when the space is not enoughMiao Xie
We're running into having 50-100 orphans left over with xfstests 83 because of ENOSPC when trying to start the transaction for the inode update. But in fact, it makes no sense in updating the inode for the new size while we're deleting the stupid thing. This patch fixes this problem. Reported-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: cleanup similar code in delayed inodeMiao Xie
The delayed item commit code in several functions is similar, so cleanup it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20Btrfs: use common work instead of delayed workMiao Xie
Since we do not want to delay the async transaction commit, we should use common work, not delayed work. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2013-02-20Btrfs: cleanup unnecessary clear when freeing a transaction or a trans handleMiao Xie
We clear the transaction object and the trans handle when they are about to be freed, it is unnecessary, cleanup it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2013-02-20Btrfs: use slabs for delayed reference allocationMiao Xie
The delayed reference allocation is in the fast path of the IO, so use slabs to improve the speed of the allocation. And besides that, it can do check for leaked objects when the module is removed. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2013-02-20Merge branch 'misc' into for-linusRussell King
Conflicts: arch/arm/include/asm/memory.h
2013-02-20Merge branches 'fixes' and 'mmci' into for-linusRussell King
2013-02-20drm/radeon: properly validate the atpx interfaceAlex Deucher
Some bioses don't set the function mask correctly which caused required functions to be disabled. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=53111 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-02-20drm/radeon: switch get_gpu_clock() to a callback (v2)Alex Deucher
Cleans up the code for future asics v2: rebase, fix some missing radeon_asic updates Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-02-20drm/radeon: add a asic callback to get the xclkAlex Deucher
This is required to get the reference clock used by the gfx engine for things like timestamps. Fixes support for GL extensions the use timestamps on certain boards. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-02-20drm/radeon: Avoid NULL pointer dereference from atom_index_iio() allocation ↵Tim Gardner
failure Smatch anlysis: drivers/gpu/drm/radeon/atom.c:1242 atom_index_iio() error: potential null dereference 'ctx->iio'. (kzalloc returns null) Also cleaned up some checks before calls to kfree(). kfree(NULL) is OK. Cc: David Airlie <airlied@linux.ie> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Michel Dänzer" <michel.daenzer@amd.com> Cc: Dave Airlie <airlied@redhat.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-02-20drm/radeon: remove overzealous warning in hdmi handlingAlex Deucher
hdmi audio works fine. The warning just confuses users. fixes: https://bugzilla.kernel.org/show_bug.cgi?id=44341 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Cc: stable@vger.kernel.org
2013-02-20drm/radeon: fix multi-head power profile stability on BTC+ asicsAlex Deucher
vddci needs to track mclk for multi-head. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-02-20xen: event channel arrays are xen_ulong_t and not unsigned longIan Campbell
On ARM we want these to be the same size on 32- and 64-bit. This is an ABI change on ARM. X86 does not change. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Keir (Xen.org) <keir@xen.org> Cc: Tim Deegan <tim@xen.org> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: linux-arm-kernel@lists.infradead.org Cc: xen-devel@lists.xen.org Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-20drm/nouveau: restore debugfs/vbios.rom supportMarcin Slusarz
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
2013-02-20drm/nv50-/kms: remove UPDATE methods after each encoder disconnectBen Skeggs
Supervisor can now handle more than one operation within a single series of interrupts. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nvd0/disp: handle multiple actions from one set of supervisor intrsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50/disp: handle multiple actions from one set of supervisor intrsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20sched/core: Remove the obsolete and unused nr_uninterruptible() functionSha Zhengju
Signed-off-by: Sha Zhengju <handai.szj@taobao.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1361351678-8065-1-git-send-email-handai.szj@taobao.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-20Merge branch 'tip/perf/core' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent Pull two fixes from Steven Rostedt. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-20x86/apic: Fix parsing of the 'lapic' cmdline optionMathias Krause
Including " lapic " in the kernel cmdline on an x86-64 kernel makes it panic while parsing early params -- e.g. with no user visible output. Fix this bug by ensuring arg is non-NULL before passing it to strncmp(). Reported-by: PaX Team <pageexec@freemail.hu> Signed-off-by: Mathias Krause <minipli@googlemail.com> Acked-by: David Rientjes <rientjes@google.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Link: http://lkml.kernel.org/r/1361303227-13174-1-git-send-email-minipli@googlemail.com Cc: stable@vger.kernel.org # v3.8 Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-20perf/x86: Add Intel IvyBridge event scheduling constraintsStephane Eranian
Intel IvyBridge processor has different constraints compared to SandyBridge. Therefore it needs its own contraint table. This patch adds the constraint table. Without this patch, the events listed in the patch may not be scheduled correctly and bogus counts may be collected. Signed-off-by: Stephane Eranian <eranian@google.com> Cc: peterz@infradead.org Cc: ak@linux.intel.com Cc: acme@redhat.com Cc: jolsa@redhat.com Cc: namhyung.kim@lge.com Link: http://lkml.kernel.org/r/1361355312-3323-1-git-send-email-eranian@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-20Revert "ARM: SPEAr13xx: Pass DW DMAC platform data from DT"Arnd Bergmann
This reverts commit f9965aa20706860077cfa093d04a6351c0c1e940. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2013-02-20HID: Correct Logitech order in hid-ids.hSimon Wood
Reorders a couple of device IDs (Logitech controllers) to ensure that they are in hexidecimal order. Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-02-20HID: LG4FF: Remove unnecessary deadzone codeSimon Wood
This patch removes code which is now unnecessary for setting the fuzz/flat characterics for the logitech DFP wheel. This is now done in the previous patch by marking the wheel as a multi-axis device. Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-02-20HID: LG: Prevent the Logitech Gaming Wheels deadzoneSimon Wood
This patch ensures that the Logitech wheels are not initialised with default fuzz/flat values, by marking them as multiaxis devices (rather than joysticks). Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-02-20HID: LG: Fix detection of Logitech Speed Force Wireless (WiiWheel)Simon Wood
Previously 'LG4FF' was only used for the WiiWheel, however it is now used for all the Logitech Wheels. This patch corrects the detection mechanism for the patching the report descriptor to ensure only the WiiWheel will be patched. Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-02-20HID: LG: Add support for Logitech Momo Force (Red) WheelSimon Wood
This patch provides a modified report descriptor to split accelerator and brake, and adds the 'NO_GET' flag to prevent it hanging on connection. Note: for convience this patch is against the follow patch which was applied earlier this week. https://patchwork.kernel.org/patch/2153471/ Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-02-20gpu: remove gma500 stub driverLee, Chun-Yi
In v3.3, the gma500 drm driver moved from staging to drm group by Alan Cox's 3abcf41fb patch. the gma500 drm driver should control brightness well and don't need gma500 stub driver anymore. Reference: http://lists.freedesktop.org/archives/dri-devel/2012-May/023426.html http://lists.freedesktop.org/archives/dri-devel/2012-May/023467.html Acked-by: Matthew Garrett <mjg59@srcf.ucam.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Lee, Chun-Yi <jlee@suse.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-02-20Merge branch 'drm-nouveau-next' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next Nothing terribly exciting in here probably: - reworked thermal stuff from mupuf/I, has a chance of possibly working well enough when we get to being able to reclock.. - driver will report mmio access faults on chipsets where it's supported - will now sleep waiting on fences on nv84+ rather than polling - some cleanup of the internal fencing, looking towards sli/dmabuf sync - initial support for anx9805 dp/tmds encoder - nv50+ display fixes related to the above, and also might fix a few other issues - nicer error reporting (will log process names with channel errors) - various other random fixes * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (87 commits) nouveau: ACPI support depends on X86 and X86_PLATFORM_DEVICES drm/nouveau/i2c: add support for ddc/aux, and dp link training on anx9805 drm/nv50: initial kms support for off-chip TMDS/DP encoders drm/nv50-/disp: initial supervisor support for off-chip encoders drm/nv50-/disp: initial work towards supporting external encoders drm/nv50-/kms: remove unnecessary wait-for-completion points drm/nv50-/disp: move DP link training to core and train from supervisor drm/nv50-/disp: handle supervisor tasks from workqueue drm/nouveau/i2c: create proper chipset-specific class implementations drm/nv50-/disp: 0x0000 is a valid udisp config value drm/nv50/devinit: reverse the logic for running encoder init scripts drm/nouveau/bios: store a type/mask hash in parsed dcb data drm/nouveau/i2c: extend type to 16-bits, add lookup-by-type function drm/nouveau/i2c: aux channels not necessarily on nvio drm/nouveau/i2c: fix a bit of a thinko in nv_wri2cr helper functions drm/nouveau/bios: parse external transmitter type if off-chip drm/nouveau: store i2c port pointer directly in nouveau_encoder drm/nouveau/i2c: handle i2c/aux mux outside of port lookup function drm/nv50/graph: avoid touching 400724, it doesn't exist drm/nouveau: Fix DPMS 1 on G4 Snowball, from snow white to coal black. ...
2013-02-20Merge branch 'stable/for-jens-3.9' of ↵Jens Axboe
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-3.9/drivers Konrad writes: Please git pull the following branch: git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-jens-3.9 which has bug-fixes that did not make it in v3.8. They all are marked as material for the stable tree as well. There are two bug-fixes for the code that has been in there for some time (that is the Jan's fix and one of mine). And there are two bug-fixes for the persistent grant feature that debuted in v3.8 for xen blk[back|front]end.
2013-02-20blackfin: time-ts: Remove duplicate assignmentStephen Boyd
It seems that this assignment is done twice in a row. Remove the duplicate assignment. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Steven Miao <realmz6@gmail.com> Cc: trivial@kernel.org Signed-off-by: Bob Liu <lliubbo@gmail.com>
2013-02-20blackfin: pm: fix build errorSteven Miao
Only register pm ops when defined CONFIG_PM. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2013-02-20blackfin: sync data in blackfin write bufferSonic Zhang
Sync data in blackfin write buffer to DRAM before return from copy_to_user. Otherwise, application may read wrong data from stat syscall occasionally. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
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