- 27 9月, 2013 13 次提交
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NSonic Zhang <sonic.zhang@analog.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jingoo Han 提交于
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NVineet Gupta <vgupta@synopsys.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Heikki Krogerus 提交于
The channel IDs are set to -1 by default. It will prevent dmaengine from trying to provide the first free channel if it fails to allocate exclusive channel. This will fix an issue with ACPI enumerated UARTs that do not support DMA but still end up getting a DMA channel incorrectly. Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Heikki Krogerus 提交于
It should be available for DT users as well. This does not enable DMA by default except with ACPI. DT users can enable DMA based on a property. Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Heikki Krogerus 提交于
DMA engines usually expect the fifo trigger level to be aligned with the burst size. It should not be changed even with small baud rates. This will fix an issue with Designware DMA engine where the data can not be transferred over UART with lower baud rates then 2400. Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Ben Hutchings 提交于
pch_uart currently isn't auto-loaded if built as a module. Signed-off-by: NBen Hutchings <ben@decadent.org.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Ben Hutchings 提交于
This is a PCI driver and should be auto-loaded based on PCI ID. Signed-off-by: NBen Hutchings <ben@decadent.org.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Dave Jones 提交于
The Kconfig for this option suggests it's only relevant on STi SoCs, so add depends to have it not show up on archs that won't ever run it. Signed-off-by: NDave Jones <davej@fedoraproject.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Fabio Estevam 提交于
Commit f7d2c0bb (serial: i.MX: evaluate linux,stdout-path property) introduced the following sparse warning: drivers/tty/serial/imx.c:1916:77: warning: Using plain integer as NULL pointer Pass NULL as the last argument of add_preferred_console() instead of zero. Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Acked-by: NSascha Hauer <s.hauer@pengutronix.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 26 9月, 2013 6 次提交
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由 Rob Herring 提交于
Enabling the ARM DCC console and using without a JTAG connection will simply hang the system. Since distros like to turn on all options, this is a reoccurring problem to debug. We can do better by checking if anything is attached and handling characters. There is no way to probe this, so send a newline and check that it is handled. Cc: Paolo Pisati <paolo.pisati@canonical.com> Cc: Tim Gardner <tim.gardner@canonical.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.cz> Signed-off-by: NRob Herring <rob.herring@calxeda.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Peter Hurley 提交于
Although originally conceived as a hook for port drivers to know when a port reference is dropped, no driver uses this method. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Peter Hurley 提交于
If the tty driver mistakenly drops the last port reference before the tty has been released, issue a diagnostic and abort the port destruction. This will leak memory and may zombify the port, but might otherwise keep the machine in runnable state. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Peter Hurley 提交于
Remove braces from single-statement conditional in n_tty_set_termios. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Peter Hurley 提交于
Flatten conditional evaluation in n_tty_set_termios; remove canon_change. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Peter Hurley 提交于
n_tty's .set_termios method unconditionally performs reader wakeup; remove extra reader wakeup for canonical mode changes. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 24 9月, 2013 3 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
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/usb由 Linus Torvalds 提交于
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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- 23 9月, 2013 4 次提交
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
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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git://git.kernel.dk/linux-block由 Linus Torvalds 提交于
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-btrfs由 Linus Torvalds 提交于
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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由 Anatol Pomozov 提交于
'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: NAnatol Pomozov <anatol.pomozov@gmail.com> Acked-by: NTejun Heo <tj@kernel.org> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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- 22 9月, 2013 3 次提交
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由 Greg Kroah-Hartman 提交于
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-nfs由 Linus Torvalds 提交于
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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由 Jun'ichi Nomura 提交于
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: NJun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by: NMike Snitzer <snitzer@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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- 21 9月, 2013 11 次提交
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由 Josef Bacik 提交于
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: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Mark Fasheh 提交于
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: NMark Fasheh <mfasheh@suse.de> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Guangyu Sun 提交于
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: NKoen De Wit <koen.de.wit@oracle.com> Signed-off-by: NGuangyu Sun <guangyu.sun@oracle.com> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Frank Holton 提交于
The kernel log entries for device label %s and device fsid %pU are missing the btrfs: prefix. Add those here. Signed-off-by: NFrank Holton <fholton@gmail.com> Reviewed-by: NDavid Sterba <dsterba@suse.cz> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 David Sterba 提交于
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: NDavid Sterba <dsterba@suse.cz> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 chandan 提交于
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: Nchandan <chandan@linux.vnet.ibm.com> Reviewed-by: NDavid Sterba <dsterba@suse.cz> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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In btrfs_sync_file(), if the call to btrfs_log_dentry_safe() returns a negative error (for e.g. -ENOMEM via btrfs_log_inode()), we would return without ending/freeing the transaction. Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Stefan Behrens 提交于
The BUG() was replaced by btrfs_error() and return -EIO with the patch "get rid of one BUG() in write_all_supers()", but the missing mutex_unlock() was overlooked. The 0-DAY kernel build service from Intel reported the missing unlock which was found by the coccinelle tool: fs/btrfs/disk-io.c:3422:2-8: preceding lock on line 3374 Signed-off-by: NStefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Josef Bacik 提交于
We don't do the iput when we fail to allocate our delayed delalloc work in __start_delalloc_inodes, fix this. Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Josef Bacik 提交于
This isn't used for anything anymore, just remove it. Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Josef Bacik 提交于
This is a left over of how we used to wait for ordered extents, which was to grab the inode and then run filemap flush on it. However if we have an ordered extent then we already are holding a ref on the inode, and we just use btrfs_start_ordered_extent anyway, so there is no reason to have an extra ref on the inode to start work on the ordered extent. Thanks, Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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