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Pull drm updates from Dave Airlie:
"Highlights are usual, more AMD IP blocks for future hw, i915/xe
changes, Displayport tunnelling support for i915, msm YUV over DP
changes, new tests for ttm, but its mostly a lot of stuff all over the
place from lots of people.
core:
- EDID cleanups
- scheduler error handling fixes
- managed: add drmm_release_action() with tests
- add ratelimited drm debug print
- DPCD PSR early transport macro
- DP tunneling and bandwidth allocation helpers
- remove built-in edids
- dp: Avoid AUX transfers on powered-down displays
- dp: Add VSC SDP helpers
cross drivers:
- use new drm print helpers
- switch to ->read_edid callback
- gem: add stats for shared buffers plus updates to amdgpu, i915, xe
syncobj:
- fixes to waiting and sleeping
ttm:
- add tests
- fix errno codes
- simply busy-placement handling
- fix page decryption
media:
- tc358743: fix v4l device registration
video:
- move all kernel parameters for video behind CONFIG_VIDEO
sound:
- remove <drm/drm_edid.h> include from header
ci:
- add tests for msm
- fix apq8016 runner
efifb:
- use copy of global screen_info state
vesafb:
- use copy of global screen_info state
simplefb:
- fix logging
bridge:
- ite-6505: fix DP link-training bug
- samsung-dsim: fix error checking in probe
- samsung-dsim: add bsh-smm-s2/pro boards
- tc358767: fix regmap usage
- imx: add i.MX8MP HDMI PVI plus DT bindings
- imx: add i.MX8MP HDMI TX plus DT bindings
- sii902x: fix probing and unregistration
- tc358767: limit pixel PLL input range
- switch to new drm_bridge_read_edid() interface
panel:
- ltk050h3146w: error-handling fixes
- panel-edp: support delay between power-on and enable; use put_sync
in unprepare; support Mediatek MT8173 Chromebooks, BOE NV116WHM-N49
V8.0, BOE NV122WUM-N41, CSO MNC207QS1-1 plus DT bindings
- panel-lvds: support EDT ETML0700Z9NDHA plus DT bindings
- panel-novatek: FRIDA FRD400B25025-A-CTK plus DT bindings
- add BOE TH101MB31IG002-28A plus DT bindings
- add EDT ETML1010G3DRA plus DT bindings
- add Novatek NT36672E LCD DSI plus DT bindings
- nt36523: support 120Hz timings, fix includes
- simple: fix display timings on RK32FN48H
- visionox-vtdr6130: fix initialization
- add Powkiddy RGB10MAX3 plus DT bindings
- st7703: support panel rotation plus DT bindings
- add Himax HX83112A plus DT bindings
- ltk500hd1829: add support for ltk101b4029w and admatec 9904370
- simple: add BOE BP082WX1-100 8.2" panel plus DT bindungs
panel-orientation-quirks:
- GPD Win Mini
amdgpu:
- Validate DMABuf imports in compute VMs
- Add RAS ACA framework
- PSP 13 fixes
- Misc code cleanups
- Replay fixes
- Atom interpretor PS, WS bounds checking
- DML2 fixes
- Audio fixes
- DCN 3.5 Z state fixes
- Remove deprecated ida_simple usage
- UBSAN fixes
- RAS fixes
- Enable seq64 infrastructure
- DC color block enablement
- Documentation updates
- DC documentation updates
- DMCUB updates
- ATHUB 4.1 support
- LSDMA 7.0 support
- JPEG DPG support
- IH 7.0 support
- HDP 7.0 support
- VCN 5.0 support
- SMU 13.0.6 updates
- NBIO 7.11 updates
- SDMA 6.1 updates
- MMHUB 3.3 updates
- DCN 3.5.1 support
- NBIF 6.3.1 support
- VPE 6.1.1 support
amdkfd:
- Validate DMABuf imports in compute VMs
- SVM fixes
- Trap handler updates and enhancements
- Fix cache size reporting
- Relocate the trap handler
radeon:
- Atom interpretor PS, WS bounds checking
- Misc code cleanups
xe:
- new query for GuC submission version
- Remove unused persistent exec_queues
- Add vram frequency sysfs attributes
- Add the flag XE_VM_BIND_FLAG_DUMPABLE
- Drop pre-production workarounds
- Drop kunit tests for unsupported platforms
- Start pumbling SR-IOV support with memory based interrupts for VF
- Allow to map BO in GGTT with PAT index corresponding to XE_CACHE_UC
to work with memory based interrupts
- Add GuC Doorbells Manager as prep work SR-IOV
- Implement additional workarounds for xe2 and MTL
- Program a few registers according to perfomance guide spec for Xe2
- Fix remaining 32b build issues and enable it back
- Fix build with CONFIG_DEBUG_FS=n
- Fix warnings from GuC ABI headers
- Introduce Relay Communication for SR-IOV for VF <-> GuC <-> PF
- Release mmap mappings on rpm suspend
- Disable mid-thread preemption when not properly supported by
hardware
- Fix xe_exec by reserving extra fence slot for CPU bind
- Fix xe_exec with full long running exec queue
- Canonicalize addresses where needed for Xe2 and add to devcoredum
- Toggle USM support for Xe2
- Only allow 1 ufence per exec / bind IOCTL
- Add GuC firmware loading for Lunar Lake
- Add XE_VMA_PTE_64K VMA flag
i915:
- Add more ADL-N PCI IDs
- Enable fastboot also on older platforms
- Early transport for panel replay and PSR
- New ARL PCI IDs
- DP TPS4 PHY test pattern support
- Unify and improve VSC SDP for PSR and non-PSR cases
- Refactor memory regions and improve debug logging
- Rework global state serialization
- Remove unused CDCLK divider fields
- Unify HDCP connector logging format
- Use display instead of graphics version in display code
- Move VBT and opregion debugfs next to the implementation
- Abstract opregion interface, use opaque type
- MTL fixes
- HPD handling fixes
- Add GuC submission interface version query
- Atomically invalidate userptr on mmu-notifier
- Update handling of MMIO triggered reports
- Don't make assumptions about intel_wakeref_t type
- Extend driver code of Xe_LPG to Xe_LPG+
- Add flex arrays to struct i915_syncmap
- Allow for very slow HuC loading
- DP tunneling and bandwidth allocation support
msm:
- Correct bindings for MSM8976 and SM8650 platforms
- Start migration of MDP5 platforms to DPU driver
- X1E80100 MDSS support
- DPU:
- Improve DSC allocation, fixing several important corner cases
- Add support for SDM630/SDM660 platforms
- Simplify dpu_encoder_phys_ops
- Apply fixes targeting DSC support with a single DSC encoder
- Apply fixes for HCTL_EN timing configuration
- X1E80100 support
- Add support for YUV420 over DP
- GPU:
- fix sc7180 UBWC config
- fix a7xx LLC config
- new gpu support: a305B, a750, a702
- machine support: SM7150 (different power levels than other a618)
- a7xx devcoredump support
habanalabs:
- configure IRQ affinity according to NUMA node
- move HBM MMU page tables inside the HBM
- improve device reset
- check extended PCIe errors
ivpu:
- updates to firmware API
- refactor BO allocation
imx:
- use devm_ functions during init
hisilicon:
- fix EDID includes
mgag200:
- improve ioremap usage
- convert to struct drm_edid
- Work around PCI write bursts
nouveau:
- disp: use kmemdup()
- fix EDID includes
- documentation fixes
qaic:
- fixes to BO handling
- make use of DRM managed release
- fix order of remove operations
rockchip:
- analogix_dp: get encoder port from DT
- inno_hdmi: support HDMI for RK3128
- lvds: error-handling fixes
ssd130x:
- support SSD133x plus DT bindings
tegra:
- fix error handling
tilcdc:
- make use of DRM managed release
v3d:
- show memory stats in debugfs
- Support display MMU page size
vc4:
- fix error handling in plane prepare_fb
- fix framebuffer test in plane helpers
virtio:
- add venus capset defines
vkms:
- fix OOB access when programming the LUT
- Kconfig improvements
vmwgfx:
- unmap surface before changing plane state
- fix memory leak in error handling
- documentation fixes
- list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid
- fix null-pointer deref in execbuf
- refactor display-mode probing
- fix fencing for creating cursor MOBs
- fix cursor-memory lifetime
xlnx:
- fix live video input for ZynqMP DPSUB
lima:
- fix memory leak
loongson:
- fail if no VRAM present
meson:
- switch to new drm_bridge_read_edid() interface
renesas:
- add RZ/G2L DU support plus DT bindings
mxsfb:
- Use managed mode config
sun4i:
- HDMI: updates to atomic mode setting
mediatek:
- Add display driver for MT8188 VDOSYS1
- DSI driver cleanups
- Filter modes according to hardware capability
- Fix a null pointer crash in mtk_drm_crtc_finish_page_flip
etnaviv:
- enhancements for NPU and MRT support"
* tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel: (1420 commits)
drm/amd/display: Removed redundant @ symbol to fix kernel-doc warnings in -next repo
drm/amd/pm: wait for completion of the EnableGfxImu message
drm/amdgpu/soc21: add mode2 asic reset for SMU IP v14.0.1
drm/amdgpu: add smu 14.0.1 support
drm/amdgpu: add VPE 6.1.1 discovery support
drm/amdgpu/vpe: add VPE 6.1.1 support
drm/amdgpu/vpe: don't emit cond exec command under collaborate mode
drm/amdgpu/vpe: add collaborate mode support for VPE
drm/amdgpu/vpe: add PRED_EXE and COLLAB_SYNC OPCODE
drm/amdgpu/vpe: add multi instance VPE support
drm/amdgpu/discovery: add nbif v6_3_1 ip block
drm/amdgpu: Add nbif v6_3_1 ip block support
drm/amdgpu: Add pcie v6_1_0 ip headers (v5)
drm/amdgpu: Add nbif v6_3_1 ip headers (v5)
arch/powerpc: Remove <linux/fb.h> from backlight code
macintosh/via-pmu-backlight: Include <linux/backlight.h>
fbdev/chipsfb: Include <linux/backlight.h>
drm/etnaviv: Restore some id values
drm/amdkfd: make kfd_class constant
drm/amdgpu: add ring timeout information in devcoredump
...
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prep work for lifting out of fs/bcachefs/
Signed-off-by: Kent Overstreet <[email protected]>
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Now that we've got the errors_silent mechanism, we don't have to check
if the reconstruct_alloc option is set all over the place.
Also - users no longer have to explicitly select fsck and fix_errors.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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gc_stripes_done() and gc_reflink_done() may do alloc btree updates (i.e.
when deleting an indirect extent) - we need bucket gens to be fixed by
then.
Signed-off-by: Kent Overstreet <[email protected]>
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we need to run the normal extent update path on deletion -
bch2_bkey_make_mut() is incorrect when key type is changing.
Signed-off-by: Kent Overstreet <[email protected]>
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This is an effort to get rid of all multiplications from allocation
functions in order to prevent integer overflows [1][2].
As the "op" variable is a pointer to "struct promote_op" and this
structure ends in a flexible array:
struct promote_op {
[...]
struct bio_vec bi_inline_vecs[];
};
and the "t" variable is a pointer to "struct journal_seq_blacklist_table"
and this structure also ends in a flexible array:
struct journal_seq_blacklist_table {
[...]
struct journal_seq_blacklist_table_entry {
u64 start;
u64 end;
bool dirty;
} entries[];
};
the preferred way in the kernel is to use the struct_size() helper to
do the arithmetic instead of the argument "size + size * count" in the
kzalloc() functions.
This way, the code is more readable and safer.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/160 [2]
Signed-off-by: Erick Archer <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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We're seeing some unmountable filesystems due to split brain detection
going awry; it seems we somehow wrote out superblocks where we updated
the superblock seq without updating any member seq fields.
A given device's superblock should always have the main seq equal to
it's member seq field, so this is easy to check for.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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this code originally used the page allocator directly, but most code
shouldn't do that - PAGE_SIZE varies with architecture, and slab is
faster.
4k is also on the large side for typical usage, 512 bytes is a better
choice for typical usage that might be somewhat sparse.
Signed-off-by: Kent Overstreet <[email protected]>
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we've got some helpers that return errors sanely, move them to a more
common location for use in fs-ioctl.c
Signed-off-by: Kent Overstreet <[email protected]>
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We're going to need bkey_types.h in bcachefs_ioctl.h in a future patch.
Signed-off-by: Kent Overstreet <[email protected]>
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The journal_write_done() handler was reworked into a loop in commit
746a33c96b7a ("bcachefs: better journal pipelining"). As part of this,
the journal buffer wake was factored into a post-loop branch that
executes if at least one journal buffer has completed.
The journal buffer processing loop iterates on the journal buffer
pointer, however. This means that w refers to the last buffer processed
by the loop, which may or may not be done. This also means that if
multiple buffers are processed by the loop, only the last is awoken.
This lost wakeup behavior has lead to stalling problems in various CI
and fstests, such as generic/703.
Lift the wake into the loop so each done buffer sees a wake call as
it is processed.
Signed-off-by: Brian Foster <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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For mount option with bool type, the value must be 0 or 1 (See
bch2_opt_parse). But this seems does not well intercepted cause
for other value(like 2...), it returns the unexpect return code
with error message printed.
Signed-off-by: Hongbo Li <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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Avoid the private error code return to caller. The error code
should be transformed into genernal error code.
Signed-off-by: Hongbo Li <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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Non append, non extending buffered writes can now avoid taking the inode
lock.
To ensure atomicity of writes w.r.t. other writes, we lock every folio
that we'll be writing to, and if this fails we fall back to taking the
inode lock.
Extensive comments are provided as to corner cases.
Link: https://lore.kernel.org/linux-fsdevel/[email protected]/
Signed-off-by: Kent Overstreet <[email protected]>
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Rename and export __file_remove_privs(); for a buffered write path that
doesn't take the inode lock we need to be able to check if the operation
needs to do work first.
Signed-off-by: Kent Overstreet <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Christian Brauner <[email protected]>
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Improved journal pipelining broke journal_noflush_seq(); it implicitly
assumed only the oldest outstanding journal buf could be in flight, but
that's no longer true.
Make this more straightforward by just setting buf->must_flush whenever
we know a journal buf is going to be flush.
Signed-off-by: Kent Overstreet <[email protected]>
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When mount with incorrect options such as:
"mount -t bcachefs -o errors=back /dev/loop1 /mnt/bcachefs/".
It rebacks the error "mount: /mnt/bcachefs: permission denied."
cause bch2_parse_mount_opts returns -1 and bch2_mount throws
it up. This is unreasonable.
The real error message should be like this:
"mount: /mnt/bcachefs: wrong fs type, bad option, bad
superblock on /dev/loop1, missing codepage or helper program,
or other error."
Adding three private error codes for mounting error. Here are:
- BCH_ERR_mount_option as the parent class for option error.
- BCH_ERR_option_name represents the invalid option name.
- BCH_ERR_option_value represents the invalid option value.
Signed-off-by: Hongbo Li <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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prep work for replaying the journal backwards
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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nice bit of code cleanup
Signed-off-by: Kent Overstreet <[email protected]>
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This will let us use some darray helpers in the next patch.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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Add a tracepoint for downcasting private errors to standard errors, so
they can be recovered even when not logged; also, add some
documentation.
Signed-off-by: Kent Overstreet <[email protected]>
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Variable ret is being assigned a value that is never read, it is
being re-assigned a couple of statements later on. The assignment
is redundant and can be removed.
Cleans up clang scan build warning:
fs/bcachefs/super-io.c:806:2: warning: Value stored to 'ret' is
never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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32-bit arm builds emit a lot of spam like this:
fs/bcachefs/backpointers.c: In function ‘extent_matches_bp’:
fs/bcachefs/backpointers.c:15:13: note: parameter passing for argument of type ‘struct bch_backpointer’ changed in GCC 9.1
Apply the change from commit ebcc5928c5d9 ("arm64: Silence gcc warnings
about arch ABI drift") to fs/bcachefs/ to silence them.
Signed-off-by: Calvin Owens <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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All jounal_buf bitfield updates must happen under the journal lock -
perhaps we should just switch these to atomic bit flags.
Signed-off-by: Kent Overstreet <[email protected]>
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Buckets usually can't be discarded until the transaction that made them
empty has been committed in the journal.
Tracing has indicated that we're queuing the discard worker excessively,
only for it to skip over many buckets that are still waiting on a
journal commit, discarding only one or two buckets per iteration.
We want to switch to only queuing the discard worker after a journal
flush write, but there's an important optimization we need to preserve:
if a bucket becomes empty and it was never committed in the journal
while it was in use, we want to discard it and reuse it right away -
since overwriting it before the previous writes are flushed from the
device cache eans those writes only cost bus bandwidth.
So, this patch implements a fast path for buckets that can be discarded
right away. We need new locking between the two discard workers; the new
list of buckets being discarded provides that locking.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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If a path doesn't have any active references, we shouldn't downgrade it;
it'll either be reused, possibly with intent refs again, or dropped at
bch2_trans_begin() time.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Daniel Hill <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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Now that checking subvolume structure is a separate pass, the main
check_directory_connectivity() pass only needs to walk up to a given
inode's subvolume root.
Signed-off-by: Kent Overstreet <[email protected]>
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Now that we've got bch_subvolume.fs_path_parent, it's easy to write
subvolume
Signed-off-by: Kent Overstreet <[email protected]>
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This is needed for building Rust bindings on big endian architectures
like s390x. Currently this is only done in userspace, but it might
happen in-kernel in the future. When creating a Rust binding for struct
bkey, the "packed" attribute is needed to get a type with the correct
member offsets in the big endian case. However, rustc does not allow
types to have both a "packed" and "align" attribute. Thus, in order to
get a Rust type compatible with the C type, we must omit the "aligned"
attribute in C.
This does not affect the struct's size or member offsets, only its
toplevel alignment, which should be an acceptable impact.
The little endian version can have the "align" attribute because the
"packed" attr is redundant, and rust-bindgen will omit the "packed" attr
when an "align" attr is present and it can do so without changing a
type's layout
Signed-off-by: Thomas Bertschinger <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
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bch2_trigger_alloc() kicks off certain tasks on bucket state changes;
e.g. triggering the bucket discard worker and the invalidate worker.
We've observed the discard worker running too often - most runs it
doesn't do any work, according to the tracepoint - so clearly, we're
kicking it off too often.
This adds an explicit statechange() macro to make these checks more
precise.
Signed-off-by: Kent Overstreet <[email protected]>
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Make sure early error messages get redirected, for
kernel-fsck-from-userland.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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THis silences a mm/page_alloc.c warning about allocating more than a
page with GFP_NOFAIL - and there's no reason for this to not have a
vmalloc fallback anyways.
Signed-off-by: Kent Overstreet <[email protected]>
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Signed-off-by: Kent Overstreet <[email protected]>
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When bch2_btree_iter_peek_slot() clones the iterator to search for the
next key, and then discovers that the key from the cloned iterator is
the key we want to return - we also want to save the
iter->key_cache_path as well, for the update path.
Signed-off-by: Kent Overstreet <[email protected]>
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Various phases of fsck involve checking references from one btree to
another: this means doing a sequential scan of one btree, and then
mostly random access into the second.
This is particularly painful for checking extents <-> backpointers; we
can prefetch btree node access on the sequential scan, but not on the
random access portion, and this is particularly painful on spinning
rust, where we'd like to keep the pipeline fairly full of btree node
reads so that the elevator can reduce seeking.
This patch implements prefetching and pinning of the portion of the
btree that we'll be doing random access to. We already calculate how
much of the random access btree will fit in memory so it's a fairly
straightforward change.
This will put more pressure on system memory usage, so we introduce a
new option, fsck_memory_usage_percent, which is the percentage of total
system ram that fsck is allowed to pin.
Signed-off-by: Kent Overstreet <[email protected]>
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Recursively destroying subvolumes isn't allowed yet.
Fixes: https://github.com/koverstreet/bcachefs/issues/634
Signed-off-by: Kent Overstreet <[email protected]>
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Add a btree to record a parent -> child subvolume relationships,
according to the filesystem heirarchy.
The subvolume_children btree is a bitset btree: if a bit is set at pos
p, that means p.offset is a child of subvolume p.inode.
This will be used for efficiently listing subvolumes, as well as
recursive deletion.
Signed-off-by: Kent Overstreet <[email protected]>
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Record the filesystem path heirarchy for subvolumes in bch_subvolume
Signed-off-by: Kent Overstreet <[email protected]>
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