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* Merge branch 'topic/hda-ca0132-dsp' into for-nextTakashi Iwai2013-02-075-357/+4582
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| * ALSA: hda - Add new Kconfig CONFIG_SND_HDA_CODEC_CA0132_DSPTakashi Iwai2013-02-042-10/+16
| | | | | | | | | | | | | | | | | | ... to be less confusing for the update path. This new kconfig will choose CONFIG_SND_HDA_DSP_LOADER, which is basically a device-independent feature in hda_intel.c. Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Make some symbols staticTakashi Iwai2013-01-161-2/+2
| | | | | | | | | | | | | | sound/pci/hda/patch_ca0132.c:387:19: sparse: symbol 'ca0132_voicefx' was not declared. Should it be static? Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Fix a wrong comma in snd_printdd() callTakashi Iwai2013-01-151-1/+1
| | | | | | | | | | | | | | | | sound/pci/hda/patch_ca0132.c: In function ‘ca0132_effects_set’: sound/pci/hda/patch_ca0132.c:3391:2: warning: too many arguments for format [-Wformat-extra-args] Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Declare firmware only when really builtTakashi Iwai2013-01-151-0/+2
| | | | | | | | Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Fix possible invalid DMA channel deallocationTakashi Iwai2013-01-151-3/+3
| | | | | | | | | | | | ... in the error path in dspxfr_image(). Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Fix possible NULL dereferenceTakashi Iwai2013-01-151-6/+4
| | | | | | | | | | | | | | | | | | | | | | Spotted by smatch, sound/pci/hda/patch_ca0132.c:1950 dspxfr_image() error: potential null dereference 'dma_engine'. (kzalloc returns null) sound/pci/hda/patch_ca0132.c:1950 dspxfr_image() error: we previously assumed 'dma_engine' could be null (see line 1857) Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Fix another smatch warningTakashi Iwai2013-01-151-1/+1
| | | | | | | | | | | | | | | | sound/pci/hda/patch_ca0132.c:1781 dspxfr_one_seg() info: why not propagate 'status' from dsp_dma_stop() instead of (-5)? Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Fix superfluous unsigned checkTakashi Iwai2013-01-151-1/+1
| | | | | | | | | | | | | | | | | | Fix a warning by smatch, sound/pci/hda/patch_ca0132.c:714 dspio_send() warn: always true condition '(res >= 0) => (0-u32max >= 0)' Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132 - Use snd_hda_set_pin_ctl() helper againTakashi Iwai2013-01-151-16/+10
| | | | | | | | | | | | | | | | The recent update of ca0132 driver replaced the pinctl setup to the direct write via snd_hda_codec_write() again. This should be covered by snd_hda_set_pin_ctl() to be safer. Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * Revert "ALSA: hda - Add firmware caching to CA0132 codec"Takashi Iwai2013-01-151-22/+6
| | | | | | | | | | | | | | | | | | This reverts commit c3b4eea26208b8e247ece9d3a9ec8b2eab48c464. Since the recent firmware loader code supports caching at S3/S4 by itself, we don't have to handle f/w caching in the driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Fix potential init errors and update module descriptionIan Minett2013-01-151-6/+8
| | | | | | | | | | | | | | | | | | | | Handle a potential dma_engine alloc error and fix the possible use of an uninitialized status variable in dspxfr_one_seg(). Also correct the initial sampling rate for Mic 1. Update the module description. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Shuffle to group together related codeIan Minett2013-01-151-76/+76
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Code shuffle to group similar functions.Ian Minett2013-01-151-187/+188
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Add tuning controlsIan Minett2013-01-151-0/+289
| | | | | | | | | | | | | | This patch adds the controls used for tuning the DSP effects. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Add unsol handler for DSP and jack detectionIan Minett2013-01-151-0/+142
| | | | | | | | | | | | | | | | This patch adds the unsolicited response handler for incoming DSP responses and jack detection reporting, and routines for reading the incoming DSP response. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Add PCM enhancementsIan Minett2013-01-151-13/+118
| | | | | | | | | | | | | | | | | | | | | | | | | | Remove the playback PCM open callback. PCM stream setup and cleanup functions are added for use by PCM callbacks. Delay stream cleanup if effects are on, to allow time for any effects tail to finish. Add the analog capture PCM callbacks. Change the max channels of analog playback to 6. Add two new PCMs: AMic2 and What-U-Hear. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Add DSP mixer controls and helpersIan Minett2013-01-151-288/+544
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the kcontrols for the DSP effects, playback and recording source selection. ca0132_is_vnode_effective() checks whether virtual node settings have taken effect. The control change helpers ca0132_pe_switch_set(), ca0132_voicefx_set() and ca0132_cvoice_switch_set() are added to toggle playback / capture DSP effects, ca0132_voicefx_info(), _get() and _put() are added for input path DSP effect value access. The volume helpers are updated to volume_info(), _get() and _set() to use the virtual nodes. The redundant headphone and speaker switches and ct_extension function are removed. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Init chip, DSP effects and mixer settingsIan Minett2013-01-151-32/+700
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the framework to set effect parameters: ca0132_effects_set() and ca0132_setup_defaults() are general functions for parameter setting and initializing to default values. dspio_set_param() and dspio_set_uint_param() are lower-level fns to simplify setting individual DSP parameters via an SCP buffer transfer to the firmware. The CA0132 chip parameter init code is added in ca0132_init_params(). In chipio_[write,read]_data(), the current chip address is auto-incremented if no error has occurred. ca0132_select_out() selects the current output. If autodetect is enabled, use headphones (if jack detected) or speakers (if no jack). ca0132_select_mic() selects the current mic in. If autodetect is enabled, use exterior mic (if jack detected) or built-in mic (if no jack). Init digital mic and switch between dmic and amic with ca0132_init_dmic(), ca0132_set_dmic(). amic2 is initialized in ca0132_init_analog_mic2(). Finally, add verb tables for configuring DSP firmware. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda/ca0132: Add new definitions and structs for DSPIan Minett2013-01-151-3/+442
| | | | | | | | | | | | | | | | | | This patch adds definitions and structs used for configuring DSP effects, virtual nodes, effect tuning controls, and mixer control helpers. The effect structs are also initialized. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Remove superfluous zero-clear memset in patch_ca0132.cTakashi Iwai2012-11-281-1/+0
| | | | | | | | Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Fix NULL dereference in error path of patch_ca0132.cTakashi Iwai2012-11-281-4/+2
| | | | | | | | Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Remove unnecessary struct hda_stream_format from CA0132Ian Minett2012-11-281-24/+20
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Update chipio functions and DSP write wait timeoutIan Minett2012-11-281-36/+16
| | | | | | | | | | | | | | | | Tidy up and condense chipio_write_address|addx() functions. Improve dspio_write_wait() to use jiffies for timeout calc. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Change return value for load_dsp_prepare() to -ENOSYSIan Minett2012-11-281-1/+1
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Add comments and descriptions to CA0132 functionsIan Minett2012-11-281-17/+163
| | | | | | | | | | | | | | | | | | Add comments and descriptions to functions. Bump dsp_free_ports() to below dsp_allocate_ports_format() to group the alloc functions together for commenting. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Add firmware caching to CA0132 codecIan Minett2012-11-281-6/+22
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Update CA0132 codec to load DSP firmware binaryIan Minett2012-11-281-4/+1605
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the code needed to fetch the DSP binary image from the local firmware install location and transfer it over to the chip using the new DSP loader bus ops. Actual DSP effect controls, parameters and mixers are to be included later. - Add calls to new DSP loader system to transfer firmware to the hardware. - Add chip read/write routines, DSP I/O, SCP packet format helper functions and transfer DMA management. - Add guard around DSP download to ensure loader config switch is enabled. The general scheme for downloading the DSP is as follows: 1) If DSP firmware loader is enabled, ca0132_download_dsp() is called to start the process. 2) Driver requests DSP image using request_firmware(). 3) Driver sets up the streaming DMA for DSP image download with dspload_image() and dspxfr_image(), which in turn calls the DSP loader op snd_hda_codec_load_dsp_prepare() to ready the system. 4) DSP image will consist of 1 or more segments, each transferred in sequence by a call to dspxfr_one_seg() and snd_hda_codec_load_dsp_trigger(). 5) Once complete, the loader state is cleaned up with snd_hda_codec_load_dsp_cleanup(). Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Add DSP firmware enums and defs to CA0132 codecIan Minett2012-11-281-8/+43
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Add CA0132 register definitions fileIan Minett2012-11-282-0/+411
| | | | | | | | | | Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * ALSA: hda - Add new DSP loader callback routinesTakashi Iwai2012-11-283-6/+163
| | | | | | | | | | | | | | | | | | Pass DMA buffer pointers in calls to setup_bdle(). Add DSP loader callback routines to controller. Add new DSP loader switch to Kconfig to turn off DSP firmware. Signed-off-by: Ian Minett <ian_minett@creativelabs.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | ALSA: hda - Use generic array for loopback list managementTakashi Iwai2013-02-073-12/+17
| | | | | | | | Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | ALSA: hda - Enable loopback accounts for CONFIG_PM=n, tooTakashi Iwai2013-02-072-6/+1
| | | | | | | | | | | | | | | | | | The loopback list is referred by the VIA codec driver no matter whether CONFIG_PM is set or not, thus we need to enable it always. Otherwise it gets compile errors. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | ALSA: ice1712: fix boundary check in snd_wm8766_write()Dan Carpenter2013-02-071-1/+1
| | | | | | | | | | | | | | | | The wm->regs[] array has WM8766_REG_COUNT (16) elements not WM8766_REG_RESET (31). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | ALSA: hda - Apply mic-mute LED fixup for new HP laptopsTakashi Iwai2013-02-061-0/+2
| | | | | | | | | | | | | | It's mostly harmless to apply it for new models even if they have no mic mute LED (just toggling an unused GPIO pin). Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | Merge branch 'for-linus' into for-nextTakashi Iwai2013-02-05571-3367/+11686
|\ \ | | | | | | | | | Merge pending fixes that haven't pulled into 3.8.
| * | ALSA: aloop: Fix Oops while PM resumeTakashi Iwai2013-02-041-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | snd-aloop driver has no proper PM implementation, thus the PM resume may trigger Oops due to leftover timer instance. This patch adds the missing suspend/resume implementation. Reported-and-tested-by: El boulangero <elboulangero@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | ALSA: hda - Fix default multichannel HDMI mapping regressionAnssi Hannula2013-02-041-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit d45e6889ee69456a4d5b1bbb32252f460cd48fa9 ("ALSA: hda - Provide the proper channel mapping for generic HDMI driver") added support for custom channel maps in the HDA HDMI driver. Due to a mistake in an 'if' condition the custom map is always used even when no such map has been set. This causes incorrect channel mapping for multichannel audio by default. Pass per_pin->chmap_set to hdmi_setup_channel_mapping() as a parameter so that it can use it for detecting if a custom map has been set instead of checking if map is NULL (which is never the case). Reported-by: Staffan Lindberg <pike@xbmc.org> Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi> Cc: stable@vger.kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | Merge branch 'usb-audio-fix' of git://git.alsa-project.org/alsa-kprivate ↵Takashi Iwai2013-02-01246-1225/+2049
| |\ \ | | | | | | | | | | | | into for-linus
| | * | ALSA: usb-audio: fix Roland A-PRO supportClemens Ladisch2013-01-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The quirk for the Roland/Cakewalk A-PRO keyboards accidentally used the wrong interface number, which prevented the driver from attaching to the device. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: 2.6.37+ <stable@vger.kernel.org>
| | * | Linux 3.8-rc5v3.8-rc5Linus Torvalds2013-01-251-1/+1
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| | * | Merge branch 'for-linus' of ↵Linus Torvalds2013-01-2514-98/+300
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "It turns out that we had two crc bugs when running fsx-linux in a loop. Many thanks to Josef, Miao Xie, and Dave Sterba for nailing it all down. Miao also has a new OOM fix in this v2 pull as well. Ilya fixed a regression Liu Bo found in the balance ioctls for pausing and resuming a running balance across drives. Josef's orphan truncate patch fixes an obscure corruption we'd see during xfstests. Arne's patches address problems with subvolume quotas. If the user destroys quota groups incorrectly the FS will refuse to mount. The rest are smaller fixes and plugs for memory leaks." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (30 commits) Btrfs: fix repeated delalloc work allocation Btrfs: fix wrong max device number for single profile Btrfs: fix missed transaction->aborted check Btrfs: Add ACCESS_ONCE() to transaction->abort accesses Btrfs: put csums on the right ordered extent Btrfs: use right range to find checksum for compressed extents Btrfs: fix panic when recovering tree log Btrfs: do not allow logged extents to be merged or removed Btrfs: fix a regression in balance usage filter Btrfs: prevent qgroup destroy when there are still relations Btrfs: ignore orphan qgroup relations Btrfs: reorder locks and sanity checks in btrfs_ioctl_defrag Btrfs: fix unlock order in btrfs_ioctl_rm_dev Btrfs: fix unlock order in btrfs_ioctl_resize Btrfs: fix "mutually exclusive op is running" error code Btrfs: bring back balance pause/resume logic btrfs: update timestamps on truncate() btrfs: fix btrfs_cont_expand() freeing IS_ERR em Btrfs: fix a bug when llseek for delalloc bytes behind prealloc extents Btrfs: fix off-by-one in lseek ...
| | | * | Btrfs: fix repeated delalloc work allocationMiao Xie2013-01-241-14/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | btrfs_start_delalloc_inodes() locks the delalloc_inodes list, fetches the first inode, unlocks the list, triggers btrfs_alloc_delalloc_work/ btrfs_queue_worker for this inode, and then it locks the list, checks the head of the list again. But because we don't delete the first inode that it deals with before, it will fetch the same inode. As a result, this function allocates a huge amount of btrfs_delalloc_work structures, and OOM happens. Fix this problem by splice this delalloc list. Reported-by: Alex Lyakas <alex.btrfs@zadarastorage.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: fix wrong max device number for single profileMiao Xie2013-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The max device number of single profile is 1, not 0 (0 means 'as many as possible'). Fix it. Cc: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: fix missed transaction->aborted checkMiao Xie2013-01-241-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First, though the current transaction->aborted check can stop the commit early and avoid unnecessary operations, it is too early, and some transaction handles don't end, those handles may set transaction->aborted after the check. Second, when we commit the transaction, we will wake up some worker threads to flush the space cache and inode cache. Those threads also allocate some transaction handles and may set transaction->aborted if some serious error happens. So we need more check for ->aborted when committing the transaction. Fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: Add ACCESS_ONCE() to transaction->abort accessesMiao Xie2013-01-242-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We may access and update transaction->aborted on the different CPUs without lock, so we need ACCESS_ONCE() wrapper to prevent the compiler from creating unsolicited accesses and make sure we can get the right value. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: put csums on the right ordered extentJosef Bacik2013-01-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed a WARN_ON going off when adding csums because we were going over the amount of csum bytes that should have been allowed for an ordered extent. This is a leftover from when we used to hold the csums privately for direct io, but now we use the normal ordered sum stuff so we need to make sure and check if we've moved on to another extent so that the csums are added to the right extent. Without this we could end up with csums for bytenrs that don't have extents to cover them yet. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: use right range to find checksum for compressed extentsLiu Bo2013-01-241-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For compressed extents, the range of checksum is covered by disk length, and the disk length is different with ram length, so we need to use disk length instead to get us the right checksum. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: fix panic when recovering tree logJosef Bacik2013-01-241-8/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A user reported a BUG_ON(ret) that occured during tree log replay. Ret was -EAGAIN, so what I think happened is that we removed an extent that covered a bitmap entry and an extent entry. We remove the part from the bitmap and return -EAGAIN and then search for the next piece we want to remove, which happens to be an entire extent entry, so we just free the sucker and return. The problem is ret is still set to -EAGAIN so we trip the BUG_ON(). The user used btrfs-zero-log so I'm not 100% sure this is what happened so I've added a WARN_ON() to catch the other possibility. Thanks, Reported-by: Jan Steffens <jan.steffens@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| | | * | Btrfs: do not allow logged extents to be merged or removedJosef Bacik2013-01-243-3/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We drop the extent map tree lock while we're logging extents, so somebody could come in and merge another extent into this one and screw up our logging, or they could even remove us from the list which would keep us from logging the extent or freeing our ref on it, so we need to make sure to not clear LOGGING until after the extent is logged, and then we can merge it to adjacent extents. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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