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2009-04-16ALSA: hda - Add upper-limit of mixer amp for AD1884A-laptop model, tooTakashi Iwai
Add the upper-limit of mixer amp for AD1884A-laptop model just like the mobile model for some HP laptops. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-16ALSA: hda - Fix headphone-detection on some machines with STAC/IDT codecsTakashi Iwai
When the headphone can have no unique DAC, the current code doesn't check the HP-detection although it should. Put the hp-detection check before the DAC check to fix this bug. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-16ALSA: hda_intel.c - Consolidate bitfieldsJoe Perches
Commit fa00e046b41663cbda9b1affc0594669e5f14219 added a new bitfield not adjacent to other bitfields in the same struct. Moved the new one. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix the cmd cache keys for amp verbs ALSA: add missing definitions(letters) to HD-Audio.txt ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883 [ALSA] intel8x0: add one retry to the ac97_clock measurement routine [ALSA] intel8x0: fix wrong conditions in ac97_clock measure routine ALSA: hda - Avoid call of snd_jack_report at release ALSA: add private_data to struct snd_jack ALSA: snd-usb-caiaq: rename files to remove redundant information in file pathes ALSA: snd-usb-caiaq: clean up header includes ALSA: sound/pci: use memdup_user() ALSA: sound/usb: use memdup_user() ALSA: sound/isa: use memdup_user() ALSA: sound/core: use memdup_user() [ALSA] intel8x0: do not use zero value from PICB register [ALSA] intel8x0: an attempt to make ac97_clock measurement more reliable [ALSA] pcm-midlevel: Add more strict buffer position checks based on jiffies [ALSA] hda_intel: fix unexpected ring buffer positions ASoC: Disable S3C64xx support in Kconfig ASoC: magician: remove un-necessary #include of pxa-regs.h and hardware.h
2009-04-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: Use DEFINE_SPINLOCK GFS2: cleanup file_operations mess GFS2: Move umount flush rwsem GFS2: Fix symlink creation race GFS2: Make quotad's waiting interruptible
2009-04-15Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (28 commits) cfq-iosched: add close cooperator code cfq-iosched: log responsible 'cfqq' in idle timer arm cfq-iosched: tweak kick logic a bit more cfq-iosched: no need to save interrupts in cfq_kick_queue() brd: fix cacheflushing brd: support barriers swap: Remove code handling bio_alloc failure with __GFP_WAIT gfs2: Remove code handling bio_alloc failure with __GFP_WAIT ext4: Remove code handling bio_alloc failure with __GFP_WAIT dio: Remove code handling bio_alloc failure with __GFP_WAIT block: Remove code handling bio_alloc failure with __GFP_WAIT bio: add documentation to bio_alloc() splice: add helpers for locking pipe inode splice: remove generic_file_splice_write_nolock() ocfs2: fix i_mutex locking in ocfs2_splice_to_file() splice: fix i_mutex locking in generic_splice_write() splice: remove i_mutex locking in splice_from_pipe() splice: split up __splice_from_pipe() block: fix SG_IO to return a proper error value cfq-iosched: don't delay queue kick for a merged request ...
2009-04-15Merge branch 'topic/hda' into for-linusTakashi Iwai
* topic/hda: ALSA: hda - Fix the cmd cache keys for amp verbs ALSA: add missing definitions(letters) to HD-Audio.txt
2009-04-15ALSA: hda - Fix the cmd cache keys for amp verbsTakashi Iwai
Fix the key value generation for get/set amp verbs. The upper bits of the parameter have to be combined with the verb value to be unique for each direction/index of amp access. This fixes the resume problem on some hardwares like Macbook after the channel mode is changed. Tested-by: Johannes Berg <johannes@sipsolutions.net> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-15Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: powerpc: pseries/dtl.c should include asm/firmware.h powerpc: Fix data-corrupting bug in __futex_atomic_op powerpc/pseries: Set error_state to pci_channel_io_normal in eeh_report_reset() powerpc: Allow 256kB pages with SHMEM powerpc: Document new FSL I2C bindings and cleanup powerpc/mm: Fix compile warning powerpc/85xx: TQM8548: update defconfig powerpc/85xx: TQM8548: use proper phy-handles for enet2 and enet3 powerpc/85xx: TQM85xx: correct address of LM75 I2C device nodes powerpc: Add support for early tlbilx opcode powerpc: Fix tlbilx opcode
2009-04-15acpi-cpufreq: fix 'smp_call_function_many()' confusionLinus Torvalds
It turns out that 'smp_call_function_many()' doesn't work at all like 'smp_call_function_single()', and my change to Andrew's patch to use it rather than a loop over all CPU's acpi-cpufreq doesn't work. My bad. 'smp_call_function_many()' has two "features" (aka "documented bugs"): (a) it needs to be called with preemption disabled, because it uses smp_processor_id() without guarding the CPU lookup with 'get_cpu()' and 'put_cpu()' like the 'single' variant does. (b) even if the current CPU is part of the CPU mask, it won't do the call on that CPU. Still, we're better off trying to use 'smp_call_function_many()' than looping over CPU's, since it at least in theory allows us to use a broadcast IPI and do it all in parallel. So let's just work around the silly semantic bugs in that function. Reported-and-tested-by: Ali Gholami Rudi <ali@rudi.ir> Cc: Ingo Molnar <mingo@elte.hu> Cc: Andrew Morton <akpm@linux-foundation.org>, Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-15cfq-iosched: add close cooperator codeJens Axboe
If we have processes that are working in close proximity to each other on disk, we don't want to idle wait. Instead allow the close process to issue a request, getting better aggregate bandwidth. The anticipatory scheduler has similar checks, noop and deadline do not need it since they don't care about process <-> io mappings. The code for CFQ is a little more involved though, since we split request queues into per-process contexts. This fixes a performance problem with eg dump(8), since it uses several processes in some silly attempt to speed IO up. Even if dump(8) isn't really a valid case (it should be fixed by using CLONE_IO), there are other cases where we see close processes and where idling ends up hurting performance. Credit goes to Jeff Moyer <jmoyer@redhat.com> for writing the initial implementation. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15cfq-iosched: log responsible 'cfqq' in idle timer armJens Axboe
Makes it easier to read the traces. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15cfq-iosched: tweak kick logic a bit moreJens Axboe
We only kick the dispatch for an idling queue, if we think it's a (somewhat) fully merged request. Also allow a kick if we have other busy queues in the system, since we don't want to risk waiting for a potential merge in that case. It's better to get some work done and proceed. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15cfq-iosched: no need to save interrupts in cfq_kick_queue()Jens Axboe
It's called from the workqueue handlers from process context, so we always have irqs enabled when entered. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15brd: fix cacheflushingNick Piggin
brd is missing a flush_dcache_page. On 2nd thoughts, perhaps it is the pagecache's responsibility to flush user virtual aliases (the driver of course should flush kernel virtual mappings)... but anyway, there already exists cache flushing for one direction of transfer, so we should add the other. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15brd: support barriersNick Piggin
brd is always ordered (not that it matters, as it is defined not to survive when the system goes down). So tell the block layer it is ordered, which might be of help with testing filesystems. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15swap: Remove code handling bio_alloc failure with __GFP_WAITNikanth Karthikesan
Remove code handling bio_alloc failure with __GFP_WAIT. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15gfs2: Remove code handling bio_alloc failure with __GFP_WAITNikanth Karthikesan
Remove code handling bio_alloc failure with __GFP_WAIT. GFP_NOFS implies __GFP_WAIT. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15ext4: Remove code handling bio_alloc failure with __GFP_WAITNikanth Karthikesan
Remove code handling bio_alloc failure with __GFP_WAIT. GFP_NOIO implies __GFP_WAIT. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15dio: Remove code handling bio_alloc failure with __GFP_WAITNikanth Karthikesan
Remove code handling bio_alloc failure with __GFP_WAIT. GFP_KERNEL implies __GFP_WAIT. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15block: Remove code handling bio_alloc failure with __GFP_WAITNikanth Karthikesan
Remove code handling bio_alloc failure with __GFP_WAIT. GFP_KERNEL implies __GFP_WAIT. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15bio: add documentation to bio_alloc()Jens Axboe
Explain that with __GFP_WAIT set it will not fail, and that the caller must never allocate more than 1 bio at the time. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15splice: add helpers for locking pipe inodeMiklos Szeredi
There are lots of sequences like this, especially in splice code: if (pipe->inode) mutex_lock(&pipe->inode->i_mutex); /* do something */ if (pipe->inode) mutex_unlock(&pipe->inode->i_mutex); so introduce helpers which do the conditional locking and unlocking. Also replace the inode_double_lock() call with a pipe_double_lock() helper to avoid spreading the use of this functionality beyond the pipe code. This patch is just a cleanup, and should cause no behavioral changes. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15splice: remove generic_file_splice_write_nolock()Miklos Szeredi
Remove the now unused generic_file_splice_write_nolock() function. It's conceptually broken anyway, because splice may need to wait for pipe events so holding locks across the whole operation is wrong. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15ocfs2: fix i_mutex locking in ocfs2_splice_to_file()Miklos Szeredi
Rearrange locking of i_mutex on destination and call to ocfs2_rw_lock() so locks are only held while buffers are copied with the pipe_to_file() actor, and not while waiting for more data on the pipe. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15splice: fix i_mutex locking in generic_splice_write()Miklos Szeredi
Rearrange locking of i_mutex on destination so it's only held while buffers are copied with the pipe_to_file() actor, and not while waiting for more data on the pipe. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15splice: remove i_mutex locking in splice_from_pipe()Miklos Szeredi
splice_from_pipe() is only called from two places: - generic_splice_sendpage() - splice_write_null() Neither of these require i_mutex to be taken on the destination inode. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15splice: split up __splice_from_pipe()Miklos Szeredi
Split up __splice_from_pipe() into four helper functions: splice_from_pipe_begin() splice_from_pipe_next() splice_from_pipe_feed() splice_from_pipe_end() splice_from_pipe_next() will wait (if necessary) for more buffers to be added to the pipe. splice_from_pipe_feed() will feed the buffers to the supplied actor and return when there's no more data available (or if all of the requested data has been copied). This is necessary so that implementations can do locking around the non-waiting splice_from_pipe_feed(). This patch should not cause any change in behavior. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15block: fix SG_IO to return a proper error valueFUJITA Tomonori
blk_rq_unmap_user() returns -EFAULT if a program passes an invalid address to kernel. SG_IO path needs to pass the returned value to user space instead of ignoring it. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15ALSA: add missing definitions(letters) to HD-Audio.txtJustin Mattock
impact: Add missing definitions(letters). Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-15Merge branch 'topic/memdup_user' into for-linusTakashi Iwai
* topic/memdup_user: ALSA: sound/pci: use memdup_user() ALSA: sound/usb: use memdup_user() ALSA: sound/isa: use memdup_user() ALSA: sound/core: use memdup_user()
2009-04-15Merge branch 'topic/usb-caiaq' into for-linusTakashi Iwai
* topic/usb-caiaq: ALSA: snd-usb-caiaq: rename files to remove redundant information in file pathes ALSA: snd-usb-caiaq: clean up header includes
2009-04-15Merge branch 'topic/asoc' into for-linusTakashi Iwai
* topic/asoc: ASoC: Disable S3C64xx support in Kconfig ASoC: magician: remove un-necessary #include of pxa-regs.h and hardware.h
2009-04-15Merge branch 'topic/hda' into for-linusTakashi Iwai
* topic/hda: ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883 ALSA: hda - Avoid call of snd_jack_report at release ALSA: add private_data to struct snd_jack
2009-04-15Merge branch 'topic/jack-free-fix' into topic/hdaTakashi Iwai
* topic/jack-free-fix: ALSA: hda - Avoid call of snd_jack_report at release ALSA: add private_data to struct snd_jack
2009-04-15Merge branch 'master' of git://git.alsa-project.org/alsa-kernel into for-linusTakashi Iwai
* 'master' of git://git.alsa-project.org/alsa-kernel: [ALSA] intel8x0: add one retry to the ac97_clock measurement routine [ALSA] intel8x0: fix wrong conditions in ac97_clock measure routine [ALSA] intel8x0: do not use zero value from PICB register [ALSA] intel8x0: an attempt to make ac97_clock measurement more reliable [ALSA] pcm-midlevel: Add more strict buffer position checks based on jiffies [ALSA] hda_intel: fix unexpected ring buffer positions
2009-04-15GFS2: Use DEFINE_SPINLOCKXu Gang
SPIN_LOCK_UNLOCKED is deprecated, use DEFINE_SPINLOCK instead. (as suggested in Documentation/spinlocks.txt) Signed-off-by: Xu Gang <xug@cn.fujitsu.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-04-15GFS2: cleanup file_operations messChristoph Hellwig
Remove the weird pointer to file_operations mess and replace it with straight-forward defining of the lockinginstance names to the _nolock variants. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-04-15GFS2: Move umount flush rwsemSteven Whitehouse
The rwsem, used only on umount, is in the wrong place in glock.c. This patch moves it up a bit so that it does not get called under a spinlock. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-04-15GFS2: Fix symlink creation raceSteven Whitehouse
In certain cases symlinks can appear to have zero size if a lookup on the inode occurs within a certain (very short) time after the symlink has been created. The symlink is correctly created on disk but appears to have zero size when stat()ed. This patch closes the race and prevents incorrect sizes appearing. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-04-15GFS2: Make quotad's waiting interruptibleSteven Whitehouse
So we don't count its D state in the loadavg. Reported-by: Nathan Straz <nstraz@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-04-15ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883Takashi Iwai
Added the models for quirk bitmask 1734:110x and 1734:113x of Fujitsu laptops. This will fix the model detection for Amilo Xa3540. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-04-15[ALSA] intel8x0: add one retry to the ac97_clock measurement routineJaroslav Kysela
It seems that on some hardware platforms, the first measurement is wrong. This patch adds second measurement to this case. Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2009-04-15cfq-iosched: don't delay queue kick for a merged requestJens Axboe
"Zhang, Yanmin" <yanmin_zhang@linux.intel.com> reports that commit b029195dda0129b427c6e579a3bb3ae752da3a93 introduced a regression of about 50% with sequential threaded read workloads. The test case is: tiotest -k0 -k1 -k3 -f 80 -t 32 which starts 32 threads each reading a 80MB file. Twiddle the kick queue logic so that we do start IO immediately, if it appears to be a fully merged request. We can't really detect that, so just check if the request is bigger than a page or not. The assumption is that since single bio issues will first queue a single request with just one page attached and then later do merges on that, if we already have more than a page worth of data in the request, then the request is most likely good to go. Verified that this doesn't cause a regression with the test case that commit b029195dda0129b427c6e579a3bb3ae752da3a93 was fixing. It does not, we still see maximum sized requests for the queue-then-merge cases. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15buffer: switch do_emergency_thaw() away from pdflush_operation()Jens Axboe
This is (again) a preparatory patch similar to commit a2a9537ac0b37a5da6fbe7e1e9cb06c524d2a9c4. It open codes a simple async way of executing do_thaw_all() out of context, so we can get rid of pdflush. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15block: update biodoc.txt on pluggingJens Axboe
We do per-device plugging, get rid of any references to tq_disk as that has been dead since 2.6.5 or so. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15as-iosched: get rid of private REQ_SYNC/REQ_ASYNC definesJens Axboe
We can just use the block layer BLK_RW_SYNC/ASYNC defines now. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15cfq-iosched: get rid of private SYNC/ASYNC definesJens Axboe
We can just use the block layer BLK_RW_SYNC/ASYNC defines now. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15cfq-iosched: use rw_is_sync() to see if rw flags are sync or notJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-15Document and move the various READ/WRITE typesJens Axboe
It's a somewhat twisty maze of hints and behavioural modifiers, try and clear it up a bit with some documentation. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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