- 30 Oct, 2013 9 commits
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Lv Zheng authored
This change fixes potential memory leaks in the error paths of the GPE handling code. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Sort the method names in acnames.h. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
In the common case, the ACPI_ALLOCATE and related macros now resolve directly to their respective acpi_os* OSL interfaces. Two options: 1) The ACPI_ALLOCATE_ZEROED macro defaults to a simple local implementation by default, unless overridden by the USE_NATIVE_ALLOCATE_ZEROED define. 2) For ACPI execution simulation environment (AcpiExec) which is not shipped with the Linux kernel, the macros can optionally be resolved to the local interfaces that track each allocation (used to immediately detect memory leaks). Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
This change adds and deploys "safe" versions of strcpy and strcat that ensure that the target buffer does not overflow. These safe functions are only helpful for processing user input and command lines. For most ACPICA code however, the required buffer length is precisely calculated before buffer allocation, so the use of these functions is unnecessary. ACPICA BZ 1043. This change only applies to the ACPICA utilities and the debugger, none of which are not shipped with the kernel yet, so the kernel's behavior remains unchanged after it. References: https://bugs.acpica.org/show_bug.cgi?id=1043Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
This fix repairs a version of a macro that is used for the hardware reduced case only. It adds a return statement to the macro definition so that the translation into the Linux kernel source will not completely delete the second line of the macro because it thinks that it is an empty block. It actually clarifies the use of the macro anyway. Reported-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
The original upstream ACPICA change added full history and limited line editing to the debugger: This change adds full history and limited line editing for Unix and Linux systems. It does not use readline() because of portability issues. Instead it uses the POSIX termio interface to put the terminal in raw input mode so that the various special keys can be trapped (such as up-arrow and down-arrow for history support). Since the debugger is not shipped in the kernel, it only is necessary to update one header file to keep the kernel source in sync with the upstream. [rjw: Changelog] Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Mostly for consistency. ACPICA BZ 1042. Actually, currently no one is experiencing problem without this check as the obj_handle is guaranteed to be valid. References: https://bugs.acpica.org/show_bug.cgi?id=1042Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
This change increases the default width for the length of tables from 5 to 6, to improve alignment/readability on systems with large tables. These are being seen more frequently, especially large DSDTs (greater than 1 MB). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Tomasz Nowicki authored
Set the global debug flag to "no output" when the debugger is shutdown. ACPICA BZ 1011. Tomasz Nowicki. Since the debugger is not shipped in the Linux kernel upstream, this change doesn't affect Linux kernel's behavior. References: https://bugs.acpica.org/show_bug.cgi?id=1011Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 15 Oct, 2013 1 commit
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Rafael J. Wysocki authored
ACPICA (ACPI Component Architecture) is an external project that some ACPI kernel code, including the AML interpreter, is derived from. That kernel code is generated automatically out of the original upstream ACPICA sources and therefore, as a general rule, all changes to it have to go through the ACPICA upstream. Add ACPICA information to MAINTAINERS to provide the upstream ACPICA maintainers contact information and pointers to the original ACPICA Web site and source code. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 23 Sep, 2013 18 commits
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Bob Moore authored
Version 20130823. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
The SCI interrupt number is not needed for the SCI handlers, and was just unnecessary overhead. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
This patch adds AE_ACCESS for EACCES or EPERM. Some error prompts are also cleaned up in this patch. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
This patch introduces new macors to handle RSDP signature and cleans up the affected codes. Lv Zheng. Some updates are only used for ACPICA utilities which are not shipped in the kernel yet. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
This patch reduces code redundancy by moving the FACS/S3PT checksum verification skip logic into acpi_tb_verify_checksum() and other calls of this function also get benefit from this change. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Paths command displays the full pathname and object type for the entire namespace. Alternative to the Namespace command. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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David E. Box authored
This change removes some dangerous code that attempts to free the handler context pointer in some (rare) circumstances. The owner of the handler owns this pointer and the ACPICA code should never touch it. Although not seen to be an issue in any kernel, it did show up as a problem under AcpiExec. Also, set the internal storage field for the context pointer to zero when the region is deactivated, simply for sanity. David Box. Signed-off-by: David E. Box <david.e.box@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
This change adds support to allow hosts to install System Control Interrupt handlers. Certain ACPI functionality requires the host to handle raw SCIs. For example, the "SCI Doorbell" that is defined for memory power state support requires the host device driver to handle SCIs to examine if the doorbell has been activated. Multiple SCI handlers can be installed to allow for future expansion. Debugger support is included. Lv Zheng, Bob Moore. ACPICA BZ 1032. Bug summary: It is reported when the PCC (Platform Communication Channel, via MPST table, defined in ACPI specification 5.0) subchannel responds to the host, it issues an SCI and the host must probe the subchannel for channel status. Buglink: http://bugs.acpica.org/show_bug.cgi?id=1032Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Perform a sanity check on the start object to prevent problems later. ACPICA BZ 1025. This patch only adds additional input parameter validation, no actual kernel suffering has been discovered. Buglink: http://bugs.acpica.org/show_bug.cgi?id=1025Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Increase the size of a couple of the debugger line buffers. ACPICA BZ 1037. The debugger related code is not in the kernel so the behavior of the kernel is not affected. Buglink: http://bugs.acpica.org/show_bug.cgi?id=1037Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Naresh Bhat authored
Add support for the __aarch64__ define for 64-bit builds. Signed-off-by: Naresh Bhat <naresh.bhat@linaro.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Allow for longer filenames in the module name output during trace operations. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bjorn Helgaas authored
If an error happens in the middle of a split 32/32 64-bit I/O operation, do not modify the target of the return value pointer. Makes the code consistent with the rest of ACPICA. Bjorn Helgaas. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
Emit the full offending pathname in the error message. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging fixes from Greg KH: "Here are a number of small staging tree and iio driver fixes. Nothing major, just lots of little things" * tag 'staging-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (34 commits) iio:buffer_cb: Add missing iio_buffer_init() iio: Prevent race between IIO chardev opening and IIO device free iio: fix: Keep a reference to the IIO device for open file descriptors iio: Stop sampling when the device is removed iio: Fix crash when scan_bytes is computed with active_scan_mask == NULL iio: Fix mcp4725 dev-to-indio_dev conversion in suspend/resume iio: Fix bma180 dev-to-indio_dev conversion in suspend/resume iio: Fix tmp006 dev-to-indio_dev conversion in suspend/resume iio: iio_device_add_event_sysfs() bugfix staging: iio: ade7854-spi: Fix return value staging:iio:hmc5843: Fix measurement conversion iio: isl29018: Fix uninitialized value staging:iio:dummy fix kfifo_buf kconfig dependency issue if kfifo modular and buffer enabled for built in dummy driver. iio: at91: fix adc_clk overflow staging: line6: add bounds check in snd_toneport_source_put() Staging: comedi: Fix dependencies for drivers misclassified as PCI staging: r8188eu: Adjust RX gain staging: r8188eu: Fix smatch warning in core/rtw_ieee80211. staging: r8188eu: Fix smatch error in core/rtw_mlme_ext.c staging: r8188eu: Fix Smatch off-by-one warning in hal/rtl8188e_hal_init.c ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are a number of small USB fixes for 3.12-rc2. One is a revert of a EHCI change that isn't quite ready for 3.12. Others are minor things, gadget fixes, Kconfig fixes, and some quirks and documentation updates. All have been in linux-next for a bit" * tag 'usb-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: pl2303: distinguish between original and cloned HX chips USB: Faraday fotg210: fix email addresses USB: fix typo in usb serial simple driver Kconfig Revert "USB: EHCI: support running URB giveback in tasklet context" usb: s3c-hsotg: do not disconnect gadget when receiving ErlySusp intr usb: s3c-hsotg: fix unregistration function usb: gadget: f_mass_storage: reset endpoint driver data when disabled usb: host: fsl-mph-dr-of: Staticize local symbols usb: gadget: f_eem: Staticize eem_alloc usb: gadget: f_ecm: Staticize ecm_alloc usb: phy: omap-usb3: Fix return value usb: dwc3: gadget: avoid memory leak when failing to allocate all eps usb: dwc3: remove extcon dependency usb: gadget: add '__ref' for rndis_config_register() and cdc_config_register() usb: dwc3: pci: add support for BayTrail usb: gadget: cdc2: fix conversion to new interface of f_ecm usb: gadget: fix a bug and a WARN_ON in dummy-hcd usb: gadget: mv_u3d_core: fix violation of locking discipline in mv_u3d_ep_disable()
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: - some small fixes for msm and exynos - a regression revert affecting nouveau users with old userspace - intel pageflip deadlock and gpu hang fixes, hsw modesetting hangs * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (22 commits) Revert "drm: mark context support as a legacy subsystem" drm/i915: Don't enable the cursor on a disable pipe drm/i915: do not update cursor in crtc mode set drm/exynos: fix return value check in lowlevel_buffer_allocate() drm/exynos: Fix address space warnings in exynos_drm_fbdev.c drm/exynos: Fix address space warning in exynos_drm_buf.c drm/exynos: Remove redundant OF dependency drm/msm: drop unnecessary set_need_resched() drm/i915: kill set_need_resched drm/msm: fix potential NULL pointer dereference drm/i915/dvo: set crtc timings again for panel fixed modes drm/i915/sdvo: Robustify the dtd<->drm_mode conversions drm/msm: workaround for missing irq drm/msm: return -EBUSY if bo still active drm/msm: fix return value check in ERR_PTR() drm/msm: fix cmdstream size check drm/msm: hangcheck harder drm/msm: handle read vs write fences drm/i915/sdvo: Fully translate sync flags in the dtd->mode conversion drm/i915: Use proper print format for debug prints ...
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- 22 Sep, 2013 3 commits
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block IO fixes from Jens Axboe: "After merge window, no new stuff this time only a collection of neatly confined and simple fixes" * 'for-3.12/core' of git://git.kernel.dk/linux-block: cfq: explicitly use 64bit divide operation for 64bit arguments block: Add nr_bios to block_rq_remap tracepoint If the queue is dying then we only call the rq->end_io callout. This leaves bios setup on the request, because the caller assumes when the blk_execute_rq_nowait/blk_execute_rq call has completed that the rq->bios have been cleaned up. bio-integrity: Fix use of bs->bio_integrity_pool after free blkcg: relocate root_blkg setting and clearing block: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...) block: trace all devices plug operation
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "These are mostly bug fixes and a two small performance fixes. The most important of the bunch are Josef's fix for a snapshotting regression and Mark's update to fix compile problems on arm" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (25 commits) Btrfs: create the uuid tree on remount rw btrfs: change extent-same to copy entire argument struct Btrfs: dir_inode_operations should use btrfs_update_time also btrfs: Add btrfs: prefix to kernel log output btrfs: refuse to remount read-write after abort Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0 Btrfs: don't leak transaction in btrfs_sync_file() Btrfs: add the missing mutex unlock in write_all_supers() Btrfs: iput inode on allocation failure Btrfs: remove space_info->reservation_progress Btrfs: kill delay_iput arg to the wait_ordered functions Btrfs: fix worst case calculator for space usage Revert "Btrfs: rework the overcommit logic to be based on the total size" Btrfs: improve replacing nocow extents Btrfs: drop dir i_size when adding new names on replay Btrfs: replay dir_index items before other items Btrfs: check roots last log commit when checking if an inode has been logged Btrfs: actually log directory we are fsync()'ing Btrfs: actually limit the size of delalloc range Btrfs: allocate the free space by the existed max extent size when ENOSPC ...
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Anatol Pomozov authored
'samples' is 64bit operant, but do_div() second parameter is 32. do_div silently truncates high 32 bits and calculated result is invalid. In case if low 32bit of 'samples' are zeros then do_div() produces kernel crash. Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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- 21 Sep, 2013 9 commits
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Greg Kroah-Hartman authored
Merge tag 'iio-fixes-for-3.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First round of IIO fixes for 3.12 A series of wrong 'struct dev' assumptions in suspend/resume callbacks following on from this issue being identified in a new driver review. One to watch out for in future. A number of driver specific fixes 1) at91 - fix a overflow in clock rate computation 2) dummy - Kconfig dependency issue 3) isl29018 - uninitialized value 4) hmc5843 - measurement conversion bug introduced by recent cleanup. 5) ade7854-spi - wrong return value. Some IIO core fixes 1) Wrong value picked up for event code creation for a modified channel 2) A null dereference on failure to initialize a buffer after no buffer has been in use, when using the available_scan_masks approach. 3) Sampling not stopped when a device is removed. Effects forced removal such as hot unplugging. 4) Prevent device going away if a chrdev is still open in userspace. 5) Prevent race on chardev opening and device being freed. 6) Add a missing iio_buffer_init in the call back buffer. These last few are the first part of a set from Lars-Peter Clausen who has been taking a closer look at our removal paths and buffer handling than anyone has for quite some time.
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client bugfix from Trond Myklebust: "Fix a regression due to incorrect sharing of gss auth caches" * tag 'nfs-for-3.12-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: RPCSEC_GSS: fix crash on destroying gss auth
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Jun'ichi Nomura authored
Adding the number of bios in a remapped request to 'block_rq_remap' tracepoint. Request remapper clones bios in a request to track the completion status of each bio. So the number of bios can be useful information for investigation. Related discussions: http://www.redhat.com/archives/dm-devel/2013-August/msg00084.html http://www.redhat.com/archives/dm-devel/2013-September/msg00024.htmlSigned-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Josef Bacik authored
Users have been complaining of the uuid tree stuff warning that there is no uuid root when trying to do snapshot operations. This is because if you mount -o ro we will not create the uuid tree. But then if you mount -o rw,remount we will still not create it and then any subsequent snapshot/subvol operations you try to do will fail gloriously. Fix this by creating the uuid_root on remount rw if it was not already there. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Mark Fasheh authored
btrfs_ioctl_file_extent_same() uses __put_user_unaligned() to copy some data back to it's argument struct. Unfortunately, not all architectures provide __put_user_unaligned(), so compiles break on them if btrfs is selected. Instead, just copy the whole struct in / out at the start and end of operations, respectively. Signed-off-by: Mark Fasheh <mfasheh@suse.de> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Guangyu Sun authored
Commit 2bc55652 (Btrfs: don't update atime on RO subvolumes) ensures that the access time of an inode is not updated when the inode lives in a read-only subvolume. However, if a directory on a read-only subvolume is accessed, the atime is updated. This results in a write operation to a read-only subvolume. I believe that access times should never be updated on read-only subvolumes. To reproduce: # mkfs.btrfs -f /dev/dm-3 (...) # mount /dev/dm-3 /mnt # btrfs subvol create /mnt/sub Create subvolume '/mnt/sub' # mkdir /mnt/sub/dir # echo "abc" > /mnt/sub/dir/file # btrfs subvol snapshot -r /mnt/sub /mnt/rosnap Create a readonly snapshot of '/mnt/sub' in '/mnt/rosnap' # stat /mnt/rosnap/dir File: `/mnt/rosnap/dir' Size: 8 Blocks: 0 IO Block: 4096 directory Device: 16h/22d Inode: 257 Links: 1 Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2013-09-11 07:21:49.389157126 -0400 Modify: 2013-09-11 07:22:02.330156079 -0400 Change: 2013-09-11 07:22:02.330156079 -0400 # ls /mnt/rosnap/dir file # stat /mnt/rosnap/dir File: `/mnt/rosnap/dir' Size: 8 Blocks: 0 IO Block: 4096 directory Device: 16h/22d Inode: 257 Links: 1 Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2013-09-11 07:22:56.797151670 -0400 Modify: 2013-09-11 07:22:02.330156079 -0400 Change: 2013-09-11 07:22:02.330156079 -0400 Reported-by: Koen De Wit <koen.de.wit@oracle.com> Signed-off-by: Guangyu Sun <guangyu.sun@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Frank Holton authored
The kernel log entries for device label %s and device fsid %pU are missing the btrfs: prefix. Add those here. Signed-off-by: Frank Holton <fholton@gmail.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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David Sterba authored
It's still possible to flip the filesystem into RW mode after it's remounted RO due to an abort. There are lots of places that check for the superblock error bit and will not write data, but we should not let the filesystem appear read-write. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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chandan authored
This patch makes it possible to set BTRFS_FS_TREE_OBJECTID as the default subvolume by passing a subvolume id of 0. Signed-off-by: chandan <chandan@linux.vnet.ibm.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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