1248721 Commits

Author SHA1 Message Date
Techno Mooney
c6dce23ec9
ASoC: amd: yc: Add DMI quirk for MSI Bravo 15 C7VF
The laptop requires a quirk ID to enable its internal microphone. Add
it to the DMI quirk table.

Reported-by: Techno Mooney <techno.mooney@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218402
Cc: stable@vger.kernel.org
Signed-off-by: Techno Mooney <techno.mooney@gmail.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://msgid.link/r/20240129081148.1044891-1-bagasdotme@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-29 16:22:37 +00:00
Mark Brown
7c70825d16
ASoC: qcom: volume fixes and codec cleanups
Merge series from Johan Hovold <johan+linaro@kernel.org>:

To reduce the risk of speaker damage the PA gain needs to be limited on
machines like the Lenovo Thinkpad X13s until we have active speaker
protection in place.

Limit the gain to the current default setting provided by the UCM
configuration which most user have so far been using (due to a bug in
the configuration files which prevented hardware volume control [1]).

The wsa883x PA volume control also turned out to be broken, which meant
that the default setting used by UCM configuration is actually the
lowest level (-3 dB). With the codec driver fixed, hardware volume
control also works as expected.

Note that the new wsa884x driver most likely suffers from a similar bug,
I'll send a fix for that once I've got that confirmed.

Included is also a related fix for the LPASS WSA macro driver, which
was changing the digital gain setting behind the back of user space and
which can result in excessive (or too low) digital gain.

There are further Qualcomm codec drivers that similarly appear to
manipulate various gain settings, but on closer inspection it turns out
that they only write back the current settings. Tests reveal that these
writes are indeed needed for any prior updates to take effect (at least
for the WSA and RX macros).

[1] https://github.com/alsa-project/alsa-ucm-conf/pull/382
2024-01-22 21:54:30 +00:00
Mark Brown
7c834a7265
ASoC: codecs: fix ES8326 performance and pop noise
Merge series from Zhu Ning <zhuning0077@gmail.com>:

    We get some issues regarding crosstalk, THD+N performance and pop
    noise from customer's project.
2024-01-22 21:54:23 +00:00
Johan Hovold
c481016bb4
ASoC: qcom: sc8280xp: limit speaker volumes
The UCM configuration for the Lenovo ThinkPad X13s has up until now
been setting the speaker PA volume to the minimum -3 dB when enabling
the speakers, but this does not prevent the user from increasing the
volume further.

Limit the digital gain and PA volumes to a combined -3 dB in the machine
driver to reduce the risk of speaker damage until we have active speaker
protection in place (or higher safe levels have been established).

Note that the PA volume limit cannot be set lower than 0 dB or
PulseAudio gets confused when the first 16 levels all map to -3 dB.

Also note that this will probably need to be generalised using
machine-specific limits, but a common limit should do for now.

Cc:  <stable@vger.kernel.org>	# 6.5
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240122181819.4038-3-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 19:38:10 +00:00
Fei Shao
92c02d74ba
ASoC: codecs: ES8326: Remove executable bit
Remove the executable bit that was unintentionally turned on.

Fixes: ee09084fbf9f ("ASoC: codecs: ES8326: Add chip version flag")
Signed-off-by: Fei Shao <fshao@chromium.org>
Link: https://msgid.link/r/20240122062055.1673597-1-fshao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 19:38:09 +00:00
Krzysztof Kozlowski
70b4769956
ASoC: allow up to eight CPU/codec DAIs
Sound card on Qualcomm X1E80100 CRD board will use eight DAIs in one DAI
link, so increase the limit.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240117160144.1305127-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:16 +00:00
Krzysztof Kozlowski
35314e39da
ASoC: codecs: wcd934x: drop unneeded regulator include
Driver does not use any regulator code, so drop redundant include of
regulator/consumer.h header.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240117151208.1219755-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:15 +00:00
Krzysztof Kozlowski
22221b13d0
ASoC: codecs: wcd938x: skip printing deferred probe failuers
Probe calls wcd938x_populate_dt_data() which already prints all the
error cases with dev_err_probe(), so skip the additional dev_err().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240117151208.1219755-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:14 +00:00
Krzysztof Kozlowski
086df711d9
ASoC: codecs: wcd938x: handle deferred probe
WCD938x sound codec driver ignores return status of getting regulators
and returns EINVAL instead of EPROBE_DEFER.  If regulator provider
probes after the codec, system is left without probed audio:

  wcd938x_codec audio-codec: wcd938x_probe: Fail to obtain platform data
  wcd938x_codec: probe of audio-codec failed with error -22

Fixes: 16572522aece ("ASoC: codecs: wcd938x-sdw: add SoundWire driver")
Cc:  <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240117151208.1219755-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:13 +00:00
Venkata Prasad Potturu
6cc2aa9a75
ASoC: amd: acp: Add check for cpu dai link initialization
Add condition check for cpu dai link initialization for amplifier
codec path, as same pcm id uses for both headset and speaker path
for RENOIR platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://msgid.link/r/20240118143023.1903984-3-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:12 +00:00
Venkata Prasad Potturu
4bae2029ff
ASoC: amd: acp: Update platform name for different boards
Update platform name for various boards based on rembrandt
and renoir platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://msgid.link/r/20240118143023.1903984-2-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:11 +00:00
Venkata Prasad Potturu
1d565de8d5
ASoC: amd: acp: Enable rt5682s clocks in acp slave mode
Set and enable rt5682s codec bclk and lrclk rates when
acp is in slave mode.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://msgid.link/r/20240118143023.1903984-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:10 +00:00
Johan Hovold
4d0e8bdfa4
ASoC: codecs: wcd938x: fix headphones volume controls
The lowest headphones volume setting does not mute so the leave the TLV
mute flag unset.

This is specifically needed to let the sound server use the lowest gain
setting.

Fixes: c03226ba15fe ("ASoC: codecs: wcd938x: fix dB range for HPHL and HPHR")
Cc:  <stable@vger.kernel.org>      # 6.5
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240122091130.27463-1-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:31:09 +00:00
Johan Hovold
aafa3acf62
ASoC: codecs: wcd9335: drop unused gain hack remnant
The vendor driver appears to be modifying the gain settings behind the
back of user space but these hacks never made it upstream except for
some essentially dead code that adds a constant zero to the current gain
setting on DAPM events.

Note that the volume registers still need to be written after enabling
clocks in order for any prior updates to take effect.

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240119112420.7446-5-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:29:03 +00:00
Johan Hovold
46188db080
ASoC: codecs: lpass-wsa-macro: fix compander volume hack
The LPASS WSA macro codec driver is updating the digital gain settings
behind the back of user space on DAPM events if companding has been
enabled.

As compander control is exported to user space, this can result in the
digital gain setting being incremented (or decremented) every time the
sound server is started and the codec suspended depending on what the
UCM configuration looks like.

Soon enough playback will become distorted (or too quiet).

This is specifically a problem on the Lenovo ThinkPad X13s as this
bypasses the limit for the digital gain setting that has been set by the
machine driver.

Fix this by simply dropping the compander gain offset hack. If someone
cares about modelling the impact of the compander setting this can
possibly be done by exporting it as a volume control later.

Note that the volume registers still need to be written after enabling
clocks in order for any prior updates to take effect.

Fixes: 2c4066e5d428 ("ASoC: codecs: lpass-wsa-macro: add dapm widgets and route")
Cc: stable@vger.kernel.org      # 5.11
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240119112420.7446-4-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:29:02 +00:00
Johan Hovold
b53cc6144a
ASoC: codecs: wsa883x: fix PA volume control
The PA gain can be set in steps of 1.5 dB from -3 dB to 18 dB, that is,
in 15 levels.

Fix the dB values for the PA volume control as experiments using wsa8835
show that the first 16 levels all map to the same lowest gain while the
last three map to the highest gain.

These values specifically need to be correct for the sound server to
provide proper volume control.

Note that level 0 (-3 dB) does not mute the PA so the mute flag should
also not be set.

Fixes: cdb09e623143 ("ASoC: codecs: wsa883x: add control, dapm widgets and map")
Cc: stable@vger.kernel.org      # 6.0
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240119112420.7446-2-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:29:01 +00:00
Zhu Ning
8c99a0a607
ASoC: codecs: ES8326: fix the capture noise issue
We get a noise issue during the startup of recording. We update the
register setting and dapm widgets to fix this issue.
we change callback type of es8326_mute function to mute_stream.
ES8326_ADC_MUTE is moved to es8326_mute function so it can
be turned on at last and turned off at first.

Signed-off-by: Zhu Ning <zhuning0077@gmail.com>
Link: https://msgid.link/r/20240120101240.12496-6-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:28:56 +00:00
Zhu Ning
a3aa9255d6
ASoC: codecs: ES8326: Minimize the pop noise on headphone
We modify the register settings to minimize headphone pop noise
during ES8326 power-up and music start/stop.

Signed-off-by: Zhu Ning <zhuning0077@gmail.com>
Link: https://msgid.link/r/20240120101240.12496-5-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:28:55 +00:00
Zhu Ning
14a0a1ec33
ASoC: codecs: ES8326: Improving the THD+N performance
We update the values of some registers in the initialization
sequence in es8326_resume function to improve THD+N performance.
THD+N performance decreases if the output level on headphone is
close to full scale. So we change the register setting in
es8326_jack_detect_handler function to improve THD+N performance
if headphone pulgged. Also, the register setting should be restored
when the headset is unplugged

Signed-off-by: Zhu Ning <zhuning0077@gmail.com>
Link: https://msgid.link/r/20240120101240.12496-3-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:28:54 +00:00
Zhu Ning
523d242d43
ASoC: codecs: ES8326: improving crosstalk performance
We change the crosstalk parameter in es8326_resume function
to improve crosstalk performance.
Adding crosstalk kcontrol to enhance the flexibility of crosstalk
debugging in machine.
Adding ES8326_DAC_CROSSTALK macro to declare the crosstalk register.

Signed-off-by: Zhu Ning <zhuning0077@gmail.com>
Link: https://msgid.link/r/20240120101240.12496-2-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-01-22 15:28:53 +00:00
Linus Torvalds
6613476e22 Linux 6.8-rc1 v6.8-rc1 2024-01-21 14:11:32 -08:00
Linus Torvalds
35a4474b5c More bcachefs updates for 6.7-rc1
- assorted prep work for disk space accounting rewrite
  - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this
    makes our trigger context more explicit
  - A few fixes to avoid excessive transaction restarts on multithreaded
    workloads: fstests (in addition to ktest tests) are now checking
    slowpath counters, and that's shaking out a few bugs
  - Assorted tracepoint improvements
  - Starting to break up bcachefs_format.h and move on disk types so
    they're with the code they belong to; this will make room to start
    documenting the on disk format better.
  - A few minor fixes
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Merge tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs

Pull more bcachefs updates from Kent Overstreet:
 "Some fixes, Some refactoring, some minor features:

   - Assorted prep work for disk space accounting rewrite

   - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this
     makes our trigger context more explicit

   - A few fixes to avoid excessive transaction restarts on
     multithreaded workloads: fstests (in addition to ktest tests) are
     now checking slowpath counters, and that's shaking out a few bugs

   - Assorted tracepoint improvements

   - Starting to break up bcachefs_format.h and move on disk types so
     they're with the code they belong to; this will make room to start
     documenting the on disk format better.

   - A few minor fixes"

* tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs: (46 commits)
  bcachefs: Improve inode_to_text()
  bcachefs: logged_ops_format.h
  bcachefs: reflink_format.h
  bcachefs; extents_format.h
  bcachefs: ec_format.h
  bcachefs: subvolume_format.h
  bcachefs: snapshot_format.h
  bcachefs: alloc_background_format.h
  bcachefs: xattr_format.h
  bcachefs: dirent_format.h
  bcachefs: inode_format.h
  bcachefs; quota_format.h
  bcachefs: sb-counters_format.h
  bcachefs: counters.c -> sb-counters.c
  bcachefs: comment bch_subvolume
  bcachefs: bch_snapshot::btime
  bcachefs: add missing __GFP_NOWARN
  bcachefs: opts->compression can now also be applied in the background
  bcachefs: Prep work for variable size btree node buffers
  bcachefs: grab s_umount only if snapshotting
  ...
2024-01-21 14:01:12 -08:00
Linus Torvalds
4fbbed7872 Updates for time and clocksources:
- A fix for the idle and iowait time accounting vs. CPU hotplug.
     The time is reset on CPU hotplug which makes the accumulated
     systemwide time jump backwards.
 
  - Assorted fixes and improvements for clocksource/event drivers
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Merge tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Updates for time and clocksources:

   - A fix for the idle and iowait time accounting vs CPU hotplug.

     The time is reset on CPU hotplug which makes the accumulated
     systemwide time jump backwards.

   - Assorted fixes and improvements for clocksource/event drivers"

* tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug
  clocksource/drivers/ep93xx: Fix error handling during probe
  clocksource/drivers/cadence-ttc: Fix some kernel-doc warnings
  clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings
  clocksource/timer-riscv: Add riscv_clock_shutdown callback
  dt-bindings: timer: Add StarFive JH8100 clint
  dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs
2024-01-21 11:14:40 -08:00
Linus Torvalds
7b297a5cc9 powerpc fixes for 6.8 #2
- 18f14afe2816 powerpc/64s: Increase default stack size to 32KB BY: Michael Ellerman
 
 Thanks to:
 Michael Ellerman
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Merge tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Aneesh Kumar:

 - Increase default stack size to 32KB for Book3S

Thanks to Michael Ellerman.

* tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Increase default stack size to 32KB
2024-01-21 11:04:29 -08:00
Kent Overstreet
249f441f83 bcachefs: Improve inode_to_text()
Add line breaks - inode_to_text() is now much easier to read.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
d826cc57c5 bcachefs: logged_ops_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
8d52ba60c4 bcachefs: reflink_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
b2fa1b633b bcachefs; extents_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
0560eb9abf bcachefs: ec_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
c6c4ff6507 bcachefs: subvolume_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:11 -05:00
Kent Overstreet
8fed323b14 bcachefs: snapshot_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
d455179fce bcachefs: alloc_background_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
72e0801049 bcachefs: xattr_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
7ffc4daa5f bcachefs: dirent_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
b36425da71 bcachefs: inode_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
82de6207fb bcachefs; quota_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
43314801a4 bcachefs: sb-counters_format.h
bcachefs_format.h has gotten too big; let's do some organizing.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
3a58dfbc46 bcachefs: counters.c -> sb-counters.c
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
12207f49ef bcachefs: comment bch_subvolume
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
d32088f2f2 bcachefs: bch_snapshot::btime
Add a field to bch_snapshot for creation time; this will be important
when we start exposing the snapshot tree to userspace.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
7be0208fc9 bcachefs: add missing __GFP_NOWARN
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
d7e77f53e9 bcachefs: opts->compression can now also be applied in the background
The "apply this compression method in the background" paths now use the
compression option if background_compression is not set; this means that
setting or changing the compression option will cause existing data to
be compressed accordingly in the background.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
ec4edd7b9d bcachefs: Prep work for variable size btree node buffers
bcachefs btree nodes are big - typically 256k - and btree roots are
pinned in memory. As we're now up to 18 btrees, we now have significant
memory overhead in mostly empty btree roots.

And in the future we're going to start enforcing that certain btree node
boundaries exist, to solve lock contention issues - analagous to XFS's
AGIs.

Thus, we need to start allocating smaller btree node buffers when we
can. This patch changes code that refers to the filesystem constant
c->opts.btree_node_size to refer to the btree node buffer size -
btree_buf_bytes() - where appropriate.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Su Yue
2acc59dd88 bcachefs: grab s_umount only if snapshotting
When I was testing mongodb over bcachefs with compression,
there is a lockdep warning when snapshotting mongodb data volume.

$ cat test.sh
prog=bcachefs

$prog subvolume create /mnt/data
$prog subvolume create /mnt/data/snapshots

while true;do
    $prog subvolume snapshot /mnt/data /mnt/data/snapshots/$(date +%s)
    sleep 1s
done

$ cat /etc/mongodb.conf
systemLog:
  destination: file
  logAppend: true
  path: /mnt/data/mongod.log

storage:
  dbPath: /mnt/data/

lockdep reports:
[ 3437.452330] ======================================================
[ 3437.452750] WARNING: possible circular locking dependency detected
[ 3437.453168] 6.7.0-rc7-custom+ #85 Tainted: G            E
[ 3437.453562] ------------------------------------------------------
[ 3437.453981] bcachefs/35533 is trying to acquire lock:
[ 3437.454325] ffffa0a02b2b1418 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x62/0x190
[ 3437.454875]
               but task is already holding lock:
[ 3437.455268] ffffa0a02b2b10e0 (&type->s_umount_key#48){.+.+}-{3:3}, at: bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.456009]
               which lock already depends on the new lock.

[ 3437.456553]
               the existing dependency chain (in reverse order) is:
[ 3437.457054]
               -> #3 (&type->s_umount_key#48){.+.+}-{3:3}:
[ 3437.457507]        down_read+0x3e/0x170
[ 3437.457772]        bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.458206]        __x64_sys_ioctl+0x93/0xd0
[ 3437.458498]        do_syscall_64+0x42/0xf0
[ 3437.458779]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.459155]
               -> #2 (&c->snapshot_create_lock){++++}-{3:3}:
[ 3437.459615]        down_read+0x3e/0x170
[ 3437.459878]        bch2_truncate+0x82/0x110 [bcachefs]
[ 3437.460276]        bchfs_truncate+0x254/0x3c0 [bcachefs]
[ 3437.460686]        notify_change+0x1f1/0x4a0
[ 3437.461283]        do_truncate+0x7f/0xd0
[ 3437.461555]        path_openat+0xa57/0xce0
[ 3437.461836]        do_filp_open+0xb4/0x160
[ 3437.462116]        do_sys_openat2+0x91/0xc0
[ 3437.462402]        __x64_sys_openat+0x53/0xa0
[ 3437.462701]        do_syscall_64+0x42/0xf0
[ 3437.462982]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.463359]
               -> #1 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}:
[ 3437.463843]        down_write+0x3b/0xc0
[ 3437.464223]        bch2_write_iter+0x5b/0xcc0 [bcachefs]
[ 3437.464493]        vfs_write+0x21b/0x4c0
[ 3437.464653]        ksys_write+0x69/0xf0
[ 3437.464839]        do_syscall_64+0x42/0xf0
[ 3437.465009]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.465231]
               -> #0 (sb_writers#10){.+.+}-{0:0}:
[ 3437.465471]        __lock_acquire+0x1455/0x21b0
[ 3437.465656]        lock_acquire+0xc6/0x2b0
[ 3437.465822]        mnt_want_write+0x46/0x1a0
[ 3437.465996]        filename_create+0x62/0x190
[ 3437.466175]        user_path_create+0x2d/0x50
[ 3437.466352]        bch2_fs_file_ioctl+0x2ec/0xc90 [bcachefs]
[ 3437.466617]        __x64_sys_ioctl+0x93/0xd0
[ 3437.466791]        do_syscall_64+0x42/0xf0
[ 3437.466957]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.467180]
               other info that might help us debug this:

[ 3437.469670] 2 locks held by bcachefs/35533:
               other info that might help us debug this:

[ 3437.467507] Chain exists of:
                 sb_writers#10 --> &c->snapshot_create_lock --> &type->s_umount_key#48

[ 3437.467979]  Possible unsafe locking scenario:

[ 3437.468223]        CPU0                    CPU1
[ 3437.468405]        ----                    ----
[ 3437.468585]   rlock(&type->s_umount_key#48);
[ 3437.468758]                                lock(&c->snapshot_create_lock);
[ 3437.469030]                                lock(&type->s_umount_key#48);
[ 3437.469291]   rlock(sb_writers#10);
[ 3437.469434]
                *** DEADLOCK ***

[ 3437.469670] 2 locks held by bcachefs/35533:
[ 3437.469838]  #0: ffffa0a02ce00a88 (&c->snapshot_create_lock){++++}-{3:3}, at: bch2_fs_file_ioctl+0x1e3/0xc90 [bcachefs]
[ 3437.470294]  #1: ffffa0a02b2b10e0 (&type->s_umount_key#48){.+.+}-{3:3}, at: bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.470744]
               stack backtrace:
[ 3437.470922] CPU: 7 PID: 35533 Comm: bcachefs Kdump: loaded Tainted: G            E      6.7.0-rc7-custom+ #85
[ 3437.471313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014
[ 3437.471694] Call Trace:
[ 3437.471795]  <TASK>
[ 3437.471884]  dump_stack_lvl+0x57/0x90
[ 3437.472035]  check_noncircular+0x132/0x150
[ 3437.472202]  __lock_acquire+0x1455/0x21b0
[ 3437.472369]  lock_acquire+0xc6/0x2b0
[ 3437.472518]  ? filename_create+0x62/0x190
[ 3437.472683]  ? lock_is_held_type+0x97/0x110
[ 3437.472856]  mnt_want_write+0x46/0x1a0
[ 3437.473025]  ? filename_create+0x62/0x190
[ 3437.473204]  filename_create+0x62/0x190
[ 3437.473380]  user_path_create+0x2d/0x50
[ 3437.473555]  bch2_fs_file_ioctl+0x2ec/0xc90 [bcachefs]
[ 3437.473819]  ? lock_acquire+0xc6/0x2b0
[ 3437.474002]  ? __fget_files+0x2a/0x190
[ 3437.474195]  ? __fget_files+0xbc/0x190
[ 3437.474380]  ? lock_release+0xc5/0x270
[ 3437.474567]  ? __x64_sys_ioctl+0x93/0xd0
[ 3437.474764]  ? __pfx_bch2_fs_file_ioctl+0x10/0x10 [bcachefs]
[ 3437.475090]  __x64_sys_ioctl+0x93/0xd0
[ 3437.475277]  do_syscall_64+0x42/0xf0
[ 3437.475454]  entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.475691] RIP: 0033:0x7f2743c313af
======================================================

In __bch2_ioctl_subvolume_create(), we grab s_umount unconditionally
and unlock it at the end of the function. There is a comment
"why do we need this lock?" about the lock coming from
commit 42d237320e98 ("bcachefs: Snapshot creation, deletion")
The reason is that __bch2_ioctl_subvolume_create() calls
sync_inodes_sb() which enforce locked s_umount to writeback all dirty
nodes before doing snapshot works.

Fix it by read locking s_umount for snapshotting only and unlocking
s_umount after sync_inodes_sb().

Signed-off-by: Su Yue <glass.su@suse.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Su Yue
369acf97d6 bcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit
bch_fs::snapshots is allocated by kvzalloc in __snapshot_t_mut.
It should be freed by kvfree not kfree.
Or umount will triger:

[  406.829178 ] BUG: unable to handle page fault for address: ffffe7b487148008
[  406.830676 ] #PF: supervisor read access in kernel mode
[  406.831643 ] #PF: error_code(0x0000) - not-present page
[  406.832487 ] PGD 0 P4D 0
[  406.832898 ] Oops: 0000 [#1] PREEMPT SMP PTI
[  406.833512 ] CPU: 2 PID: 1754 Comm: umount Kdump: loaded Tainted: G           OE      6.7.0-rc7-custom+ #90
[  406.834746 ] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014
[  406.835796 ] RIP: 0010:kfree+0x62/0x140
[  406.836197 ] Code: 80 48 01 d8 0f 82 e9 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 78 9f 1f 01 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 56 9f 1f 01 <48> 8b 50 08 48 89 c7 f6 c2 01 0f 85 b0 00 00 00 66 90 48 8b 07 f6
[  406.837810 ] RSP: 0018:ffffb9d641607e48 EFLAGS: 00010286
[  406.838213 ] RAX: ffffe7b487148000 RBX: ffffb9d645200000 RCX: ffffb9d641607dc4
[  406.838738 ] RDX: 000065bb00000000 RSI: ffffffffc0d88b84 RDI: ffffb9d645200000
[  406.839217 ] RBP: ffff9a4625d00068 R08: 0000000000000001 R09: 0000000000000001
[  406.839650 ] R10: 0000000000000001 R11: 000000000000001f R12: ffff9a4625d4da80
[  406.840055 ] R13: ffff9a4625d00000 R14: ffffffffc0e2eb20 R15: 0000000000000000
[  406.840451 ] FS:  00007f0a264ffb80(0000) GS:ffff9a4e2d500000(0000) knlGS:0000000000000000
[  406.840851 ] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  406.841125 ] CR2: ffffe7b487148008 CR3: 000000018c4d2000 CR4: 00000000000006f0
[  406.841464 ] Call Trace:
[  406.841583 ]  <TASK>
[  406.841682 ]  ? __die+0x1f/0x70
[  406.841828 ]  ? page_fault_oops+0x159/0x470
[  406.842014 ]  ? fixup_exception+0x22/0x310
[  406.842198 ]  ? exc_page_fault+0x1ed/0x200
[  406.842382 ]  ? asm_exc_page_fault+0x22/0x30
[  406.842574 ]  ? bch2_fs_release+0x54/0x280 [bcachefs]
[  406.842842 ]  ? kfree+0x62/0x140
[  406.842988 ]  ? kfree+0x104/0x140
[  406.843138 ]  bch2_fs_release+0x54/0x280 [bcachefs]
[  406.843390 ]  kobject_put+0xb7/0x170
[  406.843552 ]  deactivate_locked_super+0x2f/0xa0
[  406.843756 ]  cleanup_mnt+0xba/0x150
[  406.843917 ]  task_work_run+0x59/0xa0
[  406.844083 ]  exit_to_user_mode_prepare+0x197/0x1a0
[  406.844302 ]  syscall_exit_to_user_mode+0x16/0x40
[  406.844510 ]  do_syscall_64+0x4e/0xf0
[  406.844675 ]  entry_SYSCALL_64_after_hwframe+0x6e/0x76
[  406.844907 ] RIP: 0033:0x7f0a2664e4fb

Signed-off-by: Su Yue <glass.su@suse.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
00fff4dd58 bcachefs: bios must be 512 byte algined
Fixes: 023f9ac9f70f bcachefs: Delete dio read alignment check
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Colin Ian King
aead3428e8 bcachefs: remove redundant variable tmp
The variable tmp is being assigned a value but it isn't being
read afterwards. The assignment is redundant and so tmp can be
removed.

Cleans up clang scan build warning:
warning: Although the value stored to 'ret' is used in the enclosing
expression, the value is never actually read from 'ret'
[deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
b97de45365 bcachefs: Improve trace_trans_restart_relock
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
46bf2e9cc7 bcachefs: Fix excess transaction restarts in __bchfs_fallocate()
drop_locks_do() should not be used in a fastpath without first trying
the do in nonblocking mode - the unlock and relock will cause excessive
transaction restarts and potentially livelocking with other threads that
are contending for the same locks.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00
Kent Overstreet
1a5039041b bcachefs: extents_to_bp_state
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-21 13:27:10 -05:00