Commit Graph

1248727 Commits

Author SHA1 Message Date
Andrew Davis
41854ea92b remoteproc: qcom_q6v5_wcss: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-6-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 20:00:04 -08:00
Andrew Davis
35049a98a4 remoteproc: qcom_q6v5_pas: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-5-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 20:00:04 -08:00
Andrew Davis
2f09fa9f7a remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-4-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 20:00:04 -08:00
Andrew Davis
5789e877b9 remoteproc: qcom_q6v5_adsp: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-3-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 20:00:03 -08:00
Krzysztof Kozlowski
506355c577 dt-bindings: remoteproc: do not override firmware-name $ref
dtschema package defines firmware-name as string-array, so individual
bindings should not make it a string but instead just narrow the number
of expected firmware file names.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240115182031.1610088-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 19:58:18 -08:00
Krzysztof Kozlowski
9023bd9b8a dt-bindings: remoteproc: qcom,glink-rpm-edge: drop redundant type from label
dtschema defines label as string, so $ref in other bindings is
redundant.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240226122854.86197-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 19:51:12 -08:00
Dmitry Baryshkov
9e63836703 remoteproc: qcom: pas: correct data indentation
Correct indentation of several struct adsp_data instances to always use
a single TAB character instead of two.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240304-qcom-pd-mapper-v3-4-6858fa1ac1c8@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-03-05 19:49:42 -08:00
Mathieu Poirier
8b46dc5cfa remoteproc: Make rproc_get_by_phandle() work for clusters
Multi-cluster remoteproc designs typically have the following DT
declaration:

        remoteproc-cluster {
                compatible = "soc,remoteproc-cluster";

                core0: core0 {
                        compatible = "soc,remoteproc-core"
                        memory-region;
                        sram;
                };

                core1: core1 {
                        compatible = "soc,remoteproc-core"
                        memory-region;
                        sram;
                }
        };

A driver exists for the cluster rather than the individual cores
themselves so that operation mode and HW specific configurations
applicable to the cluster can be made.

Because the driver exists at the cluster level and not the individual
core level, function rproc_get_by_phandle() fails to return the
remoteproc associated with the phandled it is called for.

This patch enhances rproc_get_by_phandle() by looking for the cluster's
driver when the driver for the immediate remoteproc's parent is not
found.

Reported-by: Ben Levinsky <ben.levinsky@xilinx.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Co-developed-by: Tarak Reddy <tarak.reddy@amd.com>
Signed-off-by: Tarak Reddy <tarak.reddy@amd.com>
Co-developed-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Link: https://lore.kernel.org/r/20240130154849.1018666-1-tanmay.shah@amd.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-02-06 13:48:09 -08:00
Neil Armstrong
a3dd84d308 remoteproc: qcom: pas: Add SM8650 remoteproc support
Add DSP Peripheral Authentication Service support for the SM8650 platform.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-3-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-02-06 11:55:58 -08:00
Neil Armstrong
1abd3130cf remoteproc: qcom: pas: make region assign more generic
The current memory region assign only supports a single
memory region.

But new platforms introduces more regions to make the
memory requirements more flexible for various use cases.
Those new platforms also shares the memory region between the
DSP and HLOS.

To handle this, make the region assign more generic in order
to support more than a single memory region and also permit
setting the regions permissions as shared.

Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-2-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-02-06 11:55:58 -08:00
Neil Armstrong
3c28bf4806 dt-bindings: remoteproc: qcom,sm8550-pas: document the SM8650 PAS
Document the DSP Peripheral Authentication Service on the SM8650 Platform.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-1-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-02-06 11:55:58 -08:00
Andrew Davis
456a75ab51 remoteproc: k3-dsp: Use devm_rproc_add() helper
Use device lifecycle managed devm_rproc_add() helper function. This helps
prevent mistakes like deleting out of order in cleanup functions and
forgetting to delete on all error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-6-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-05 13:37:21 -07:00
Andrew Davis
8a5d6899e9 remoteproc: k3-dsp: Use devm_ioremap_wc() helper
Use a device lifecycle managed ioremap helper function. This helps prevent
mistakes like unmapping out of order in cleanup functions and forgetting
to unmap on all error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-5-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-05 13:32:05 -07:00
Andrew Davis
57ec3c1268 remoteproc: k3-dsp: Add devm action to release tsp
Use a device lifecycle managed action to release tps ti_sci_proc handle.
This helps prevent mistakes like releasing out of order in cleanup
functions and forgetting to release on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-4-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-05 13:28:12 -07:00
Andrew Davis
585fc027a7 remoteproc: k3-dsp: Use devm_kzalloc() helper
Use device lifecycle managed devm_kzalloc() helper function. This helps
prevent mistakes like freeing out of order in cleanup functions and
forgetting to free on all error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-05 13:25:51 -07:00
Andrew Davis
48f9a0858b remoteproc: k3-dsp: Use devm_ti_sci_get_by_phandle() helper
Use the device lifecycle managed TI-SCI get() function. This helps prevent
mistakes like not put()'ing in the wrong order in cleanup functions and
forgetting to put() on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-05 13:23:47 -07:00
Andrew Davis
e160d811c5 remoteproc: stm32: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-9-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:39:05 -07:00
Andrew Davis
173d2c6326 remoteproc: st: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-8-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:36:27 -07:00
Andrew Davis
f1e05cc10a remoteproc: imx_rproc: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:33:47 -07:00
Andrew Davis
8f12de7913 remoteproc: imx_dsp_rproc: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:30:22 -07:00
Andrew Davis
92a0915ac3 remoteproc: k3-dsp: Use devm_kcalloc() helper
Use a device lifecycle managed action to free memory. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:04:33 -07:00
Andrew Davis
961a919a6d remoteproc: k3-dsp: Add devm action to release reserved memory
Use a device lifecycle managed action to release reserved memory. This
helps prevent mistakes like releasing out of order in cleanup functions
and forgetting to release on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 11:03:35 -07:00
Andrew Davis
64e17ec250 remoteproc: k3-dsp: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-02-02 10:40:01 -07:00
Arnaud Pouliquen
c77b35ce66 remoteproc: stm32: Fix incorrect type assignment returned by stm32_rproc_get_loaded_rsc_tablef
The sparse tool complains about the remove of the _iomem attribute.

stm32_rproc.c:660:17: warning: cast removes address space '__iomem' of expression

Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to addresses pointer,
which are then managed by the remoteproc core as a pointer to a
resource_table structure.

Fixes: 8a471396d2 ("remoteproc: stm32: Move resource table setup to rproc_ops")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-3-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-01-23 11:48:03 -07:00
Arnaud Pouliquen
32381bbccb remoteproc: stm32: Fix incorrect type in assignment for va
The sparse tool complains about the attribute conversion between
a _iomem void * and a void *:

stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *va @@     got void [noderef] __iomem * @@
stm32_rproc.c:122:12: sparse:     expected void *va
stm32_rproc.c:122:12: sparse:     got void [noderef] __iomem *

Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to virtual addresses pointer,used,
by the remoteproc core.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312150052.HCiNKlqB-lkp@intel.com/
Fixes: 13140de09c ("remoteproc: stm32: add an ST stm32_rproc driver")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-2-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-01-23 11:46:18 -07:00
Joakim Zhang
b327c72753 remoteproc: virtio: Fix wdg cannot recovery remote processor
Recovery remote processor failed when wdg irq received:
[    0.842574] remoteproc remoteproc0: crash detected in cix-dsp-rproc: type watchdog
[    0.842750] remoteproc remoteproc0: handling crash #1 in cix-dsp-rproc
[    0.842824] remoteproc remoteproc0: recovering cix-dsp-rproc
[    0.843342] remoteproc remoteproc0: stopped remote processor cix-dsp-rproc
[    0.847901] rproc-virtio rproc-virtio.0.auto: Failed to associate buffer
[    0.847979] remoteproc remoteproc0: failed to probe subdevices for cix-dsp-rproc: -16

The reason is that dma coherent mem would not be released when
recovering the remote processor, due to rproc_virtio_remove()
would not be called, where the mem released. It will fail when
it try to allocate and associate buffer again.

Releasing reserved memory from rproc_virtio_dev_release(), instead of
rproc_virtio_remove().

Fixes: 1d7b61c06d ("remoteproc: virtio: Create platform device for the remoteproc_virtio")
Signed-off-by: Joakim Zhang <joakim.zhang@cixtech.com>
Acked-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231217053659.3245745-1-joakim.zhang@cixtech.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2024-01-22 15:47:47 -07:00
Linus Torvalds
6613476e22 Linux 6.8-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
- 18f14afe28 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 42d237320e ("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