Simplifies each DM target's init method by making dm_register_target()
responsible for its error reporting (on behalf of targets).
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add io_err_io_hints() and set discard limits so that the zero target
advertises support for discards.
The error target will return -EIO for discards.
This is useful when the user combines dm-error with other
discard-supporting targets in the same table; without dm-error
support, discards would be disabled for the whole combined device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add zero_io_hints() and set discard limits so that the zero target
advertises support for discards.
The zero target will ignore discards.
This is useful when the user combines dm-zero with other
discard-supporting targets in the same table; without dm-zero support,
discards would be disabled for the whole combined device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
In dm_calculate_queue_limits, add call to ->io_hints hook if the
target doesn't provide ->iterate_devices.
This is needed so the "error" and "zero" targets may support
discards. The 2 following commits will add their respective discard
support.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
dm-verity signals integrity violations by returning I/O errors
to user space. To identify integrity violations by a controlling
instance, the kernel audit subsystem can be used to emit audit
events to user space. Analogous to dm-integrity, we also use the
dm-audit submodule allowing to emit audit events on verification
failures of metadata and data blocks as well as if max corrupted
errors are reached.
The construction and destruction of verity device mappings are
also relevant for auditing a system. Thus, those events are also
logged as audit events.
Tested by starting a container with the container manager (cmld) of
GyroidOS which uses a dm-verity protected rootfs image root.img mapped
to /dev/mapper/<uuid>-root. One block was manipulated in the
underlying image file and repeated reads of the verity device were
performed again until the max corrupted errors is reached, e.g.:
dd if=/dev/urandom of=root.img bs=512 count=1 seek=1000
for i in range {1..101}; do \
dd if=/dev/mapper/<uuid>-root of=/dev/null bs=4096 \
count=1 skip=1000 \
done
The resulting audit log looks as follows:
type=DM_CTRL msg=audit(1677618791.876:962):
module=verity op=ctr ppid=4876 pid=29102 auid=0 uid=0 gid=0
euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=44
comm="cmld" exe="/usr/sbin/cml/cmld" subj=unconfined
dev=254:3 error_msg='success' res=1
type=DM_EVENT msg=audit(1677619463.786:1074): module=verity
op=verify-data dev=7:0 sector=1000 res=0
...
type=DM_EVENT msg=audit(1677619596.727:1162): module=verity
op=verify-data dev=7:0 sector=1000 res=0
type=DM_EVENT msg=audit(1677619596.731:1163): module=verity
op=max-corrupted-errors dev=254:3 sector=? res=0
Signed-off-by: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
In verity_end_io(), if bi_status is not BLK_STS_OK, it can be return
directly. But if FEC configured, it is desired to correct the data page
through verity_verify_io. And the return value will be converted to
blk_status and passed to verity_finish_io().
BTW, when a bit is set in v->validated_blocks, verity_verify_io() skips
verification regardless of I/O error for the corresponding bio. In this
case, the I/O error could not be returned properly, and as a result,
there is a problem that abnormal data could be read for the
corresponding block.
To fix this problem, when an I/O error occurs, do not skip verification
even if the bit related is set in v->validated_blocks.
Fixes: 843f38d382 ("dm verity: add 'check_at_most_once' option to only validate hashes once")
Cc: stable@vger.kernel.org
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Yeongjin Gil <youngjin.gil@samsung.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Both bufio and bio-prison-v1 use the identical model for splitting
their respective locks and rbtrees. Improve dm_num_hash_locks() to
distribute across more rbtrees to improve overall performance -- but
the maximum number of locks/rbtrees is still 64.
Also factor out a common hash function named dm_hash_locks_index(),
the magic numbers used were determined to be best using this program:
https://gist.github.com/jthornber/e05c47daa7b500c56dc339269c5467fc
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add num_locks member to dm_bio_prison struct and use it rather than
the NR_LOCKS magic value (64).
Next commit will size the dm_bio_prison's prison_regions according to
dm_num_hash_locks().
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add num_locks member to dm_buffer_cache struct and use it rather than
the NR_LOCKS magic value (64).
Next commit will size the dm_buffer_cache's buffer_trees according to
dm_num_hash_locks().
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Simple helper to use when DM core code needs to appropriately size,
based on num_online_cpus(), its data structures that split locks.
dm_num_hash_locks() rounds up num_online_cpus() to next power of 2
but caps return at DM_HASH_LOCKS_MAX (64).
This heuristic may evolve as warranted, but as-is it will serve as a
more informed basis for sizing the sharded lock structs in dm-bufio's
dm_buffer_cache (buffer_trees) and dm-bio-prison-v1's dm_bio_prison
(prison_regions).
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Don't have bio_detain() BUG_ON if a dm_cell_key is beyond
BIO_PRISON_MAX_RANGE or spans a boundary.
Update dm-thin.c:build_key() to use dm_cell_key_has_valid_range() which
will do this checking without using BUG_ON. Also update
process_discard_bio() to check the discard bio that DM core passes in
(having first imposed max_discard_granularity based splitting).
dm_cell_key_has_valid_range() will merely WARN_ON_ONCE if it returns
false because if it does: it is programmer error that should be caught
with proper testing. So relax the BUG_ONs to be WARN_ON_ONCE.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Split the bio prison into multiple regions, with a separate rbtree and
associated lock for each region.
To get fast bio prison locking and not damage the performance of
discards too much the bio-prison now stipulates that discards should
not cross a BIO_PRISON_MAX_RANGE boundary.
Because the range of a key (block_end - block_begin) must not exceed
BIO_PRISON_MAX_RANGE: break_up_discard_bio() now ensures the data
range reflected in PHYSICAL key doesn't exceed BIO_PRISON_MAX_RANGE.
And splitting the thin target's discards (handled with VIRTUAL key) is
achieved by updating dm-thin.c to set limits->max_discard_sectors in
terms of BIO_PRISON_MAX_RANGE _and_ setting the thin and thin-pool
targets' max_discard_granularity to true.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
The block core (bio_split_discard) will already split discards based
on the 'discard_granularity' and 'max_discard_sectors' queue_limits.
But the DM thin target also needs to ensure that it doesn't receive a
discard that spans a 'max_discard_sectors' boundary.
Introduce a dm_target 'max_discard_granularity' flag that if set will
cause DM core to split discard bios relative to 'max_discard_sectors'.
This treats 'discard_granularity' as a "min_discard_granularity" and
'max_discard_sectors' as a "max_discard_granularity".
Requested-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reduce the time that a spinlock is held in cell_defer_no_holder().
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
The kernel supports multi page bio vector entries, so we can use them
in dm-bufio as an optimization.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Save one spinlock by using waitqueue_active. We hold the bufio lock at
this place, so no one can add entries to the waitqueue at this point.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Movement also consolidates holes in dm_bufio_client struct. But the
overall size of the struct isn't changed.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Sometimes it is beneficial to repeatedly get and drop locks as part of
an iteration. Introduce lock_history struct to help avoid redundant
drop and gets of the same lock.
Optimizes cache_iterate, cache_mark_many and cache_evict.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
When multiple threads perform IO to a thin device, the underlying
dm_bufio object can become a bottleneck; slowing down access to btree
nodes that store the thin metadata. Prior to this commit, each bufio
instance had a single mutex that was taken for every bufio operation.
This commit concentrates on improving the common case where: a user of
dm_bufio wishes to access, but not modify, a buffer which is already
within the dm_bufio cache.
Implementation::
The code has been refactored; pulling out an 'lru' abstraction and a
'buffer cache' abstraction (see 2 previous commits). This commit
updates higher level bufio code (that performs allocation of buffers,
IO and eviction/cache sizing) to leverage both abstractions. It also
deals with the delicate locking requirements of both abstractions to
provide finer grained locking. The result is significantly better
concurrent IO performance.
Before this commit, bufio has a global lru list it used to evict the
oldest, clean buffers from _all_ clients. With the new locking we
don’t want different ways to access the same buffer, so instead
do_global_cleanup() loops around the clients asking them to free
buffers older than a certain time.
This commit also converts many old BUG_ONs to WARN_ON_ONCE, see the
lru_evict and cache_evict code in particular. They will return
ER_DONT_EVICT if a given buffer somehow meets the invariants that
should _never_ happen. [Aside from revising this commit's header and
fixing coding style and whitespace nits: this switching to
WARN_ON_ONCE is Mike Snitzer's lone contribution to this commit]
Testing::
Some of the low level functions have been unit tested using dm-unit:
https://github.com/jthornber/dm-unit/blob/main/src/tests/bufio.rs
Higher level concurrency and IO is tested via a test only target
found here:
https://github.com/jthornber/linux/blob/2023-03-24-thin-concurrency-9/drivers/md/dm-bufio-test.c
The associated userland side of these tests is here:
https://github.com/jthornber/dmtest-python/blob/main/src/dmtest/bufio/bufio_tests.py
In addition the full dmtest suite of tests (dm-thin, dm-cache, etc)
has been run (~450 tests).
Performance::
Most bufio operations have unchanged performance. But if multiple
threads are attempting to get buffers concurrently, and these
buffers are already in the cache then there's a big speed up. Eg,
one test has 16 'hotspot' threads simulating btree lookups while
another thread dirties the whole device. In this case the hotspot
threads acquire the buffers about 25 times faster.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
The buffer cache is responsible for managing the holder count,
tracking clean/dirty state, and choosing buffers via predicates.
Higher level code is responsible for allocation of buffers, IO and
eviction/cache sizing.
The buffer cache has thread safe methods for acquiring a reference
to an existing buffer. All other methods in buffer cache are _not_
threadsafe, and only contain enough locking to guarantee the safe
methods.
Rather than a single mutex, sharded rw_semaphores are used to allow
concurrent threads to 'get' buffers. Each rw_semaphore protects its
own rbtree of buffer entries.
Code that uses this new dm_buffer_cache abstraction will be introduced
in a following commit.
This commit moves the dm_buffer struct in preparation for finer grained
dm_buffer changes, in the next commit, to be more easily seen. It also
introduces temporary dm_buffer struct members to allow compilation of
this intermediate commit (they will be elided in the next commit).
This commit will cause "defined but not used" compiler warnings that
will be resolved by the next commit.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
A CLOCK algorithm is used in this LRU abstraction. This avoids
relinking list nodes, which would require a write lock protecting it.
None of the LRU methods are threadsafe; locking must be done at a
higher level.
Code that uses this new LRU will be introduced in the next 2 commits.
As such, this commit will cause "defined but not used" compiler warnings
that will be resolved by the next 2 commits.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reasonable to relax to WARN_ON because these are easily avoided but do
offer some assurance future coding mistakes won't occur (if changes
tested properly).
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
All these instances are entirely avoidable given that they speak to
coding mistakes that result in inappropriate use. Proper testing during
development will catch any such coding bug so its best to relax all of
these from BUG_ON to WARN_ON_ONCE.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Was used by multi-snapshot DM target that never went upstream.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Commit 7dd76d1fee ("dm: improve bio splitting and associated IO
accounting") only called setup_split_accounting() from
__send_duplicate_bios() if a single bio were being issued. But the case
where duplicate bios are issued must call it too.
Otherwise the bio won't be split and resubmitted (via recursion through
block core back to DM) to submit the later portions of a bio (which may
map to an entirely different target).
For example, when discarding an entire DM striped device with the
following DM table:
vg-lvol0: 0 159744 striped 2 128 7:0 2048 7:1 2048
vg-lvol0: 159744 45056 striped 2 128 7:2 2048 7:3 2048
Before (broken, discards the first striped target's devices twice):
device-mapper: striped: target_stripe=0, bdev=7:0, start=2048 len=79872
device-mapper: striped: target_stripe=1, bdev=7:1, start=2048 len=79872
device-mapper: striped: target_stripe=0, bdev=7:0, start=2049 len=22528
device-mapper: striped: target_stripe=1, bdev=7:1, start=2048 len=22528
After (works as expected):
device-mapper: striped: target_stripe=0, bdev=7:0, start=2048 len=79872
device-mapper: striped: target_stripe=1, bdev=7:1, start=2048 len=79872
device-mapper: striped: target_stripe=0, bdev=7:2, start=2048 len=22528
device-mapper: striped: target_stripe=1, bdev=7:3, start=2048 len=22528
Fixes: 7dd76d1fee ("dm: improve bio splitting and associated IO accounting")
Cc: stable@vger.kernel.org
Reported-by: Orange Kao <orange@aiven.io>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
"Abnormal" bios include discards, write zeroes and secure erase. By no
longer passing the calculated 'len' pointer, commit 7dd06a2548 ("dm:
allow dm_accept_partial_bio() for dm_io without duplicate bios") took a
senseless approach to disallowing dm_accept_partial_bio() from working
for duplicate bios processed using __send_duplicate_bios().
It inadvertently and incorrectly stopped the use of 'len' when
initializing a target's io (in alloc_tio). As such the resulting tio
could address more area of a device than it should.
For example, when discarding an entire DM striped device with the
following DM table:
vg-lvol0: 0 159744 striped 2 128 7:0 2048 7:1 2048
vg-lvol0: 159744 45056 striped 2 128 7:2 2048 7:3 2048
Before this fix:
device-mapper: striped: target_stripe=0, bdev=7:0, start=2048 len=102400
blkdiscard: attempt to access beyond end of device
loop0: rw=2051, sector=2048, nr_sectors = 102400 limit=81920
device-mapper: striped: target_stripe=1, bdev=7:1, start=2048 len=102400
blkdiscard: attempt to access beyond end of device
loop1: rw=2051, sector=2048, nr_sectors = 102400 limit=81920
After this fix;
device-mapper: striped: target_stripe=0, bdev=7:0, start=2048 len=79872
device-mapper: striped: target_stripe=1, bdev=7:1, start=2048 len=79872
Fixes: 7dd06a2548 ("dm: allow dm_accept_partial_bio() for dm_io without duplicate bios")
Cc: stable@vger.kernel.org
Reported-by: Orange Kao <orange@aiven.io>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Here are a small set of USB and Thunderbolt driver fixes for reported
problems and a documentation update, for 6.3-rc4.
Included in here are:
- documentation update for uvc gadget driver
- small thunderbolt driver fixes
- cdns3 driver fixes
- dwc3 driver fixes
- dwc2 driver fixes
- chipidea driver fixes
- typec driver fixes
- onboard_usb_hub device id updates
- quirk updates
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver fixes from Greg KH:
"Here are a small set of USB and Thunderbolt driver fixes for reported
problems and a documentation update, for 6.3-rc4.
Included in here are:
- documentation update for uvc gadget driver
- small thunderbolt driver fixes
- cdns3 driver fixes
- dwc3 driver fixes
- dwc2 driver fixes
- chipidea driver fixes
- typec driver fixes
- onboard_usb_hub device id updates
- quirk updates
All of these have been in linux-next with no reported problems"
* tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits)
usb: dwc2: fix a race, don't power off/on phy for dual-role mode
usb: dwc2: fix a devres leak in hw_enable upon suspend resume
usb: chipidea: core: fix possible concurrent when switch role
usb: chipdea: core: fix return -EINVAL if request role is the same with current role
thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
thunderbolt: Disable interrupt auto clear for rings
thunderbolt: Use const qualifier for `ring_interrupt_index`
usb: gadget: Use correct endianness of the wLength field for WebUSB
uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2
usb: cdnsp: changes PCI Device ID to fix conflict with CNDS3 driver
usb: cdns3: Fix issue with using incorrect PCI device function
usb: cdnsp: Fixes issue with redundant Status Stage
MAINTAINERS: make me a reviewer of USB/IP
thunderbolt: Use scale field when allocating USB3 bandwidth
thunderbolt: Limit USB3 bandwidth of certain Intel USB4 host routers
thunderbolt: Call tb_check_quirks() after initializing adapters
thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access
thunderbolt: Fix memory leak in margining
usb: dwc2: drd: fix inconsistent mode if role-switch-default-mode="host"
docs: usb: Add documentation for the UVC Gadget
...
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Merge tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Fix a corner case where vruntime of a task is not being sanitized
* tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Sanitize vruntime of entity being migrated
former doesn't get ignored
- A noinstr warning fix
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Merge tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Borislav Petkov:
- Do the delayed RCU wakeup for kthreads in the proper order so that
former doesn't get ignored
- A noinstr warning fix
* tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
entry: Fix noinstr warning in __enter_from_user_mode()
- Prevent a false-positive warning when retrieving the (invalid) address of
dynamic FPU features in their init state which are not saved in
init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
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Merge tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid)
address of dynamic FPU features in their init state which are not
saved in init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86/amx: Add a ptrace test
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
x86/mm: Do not shuffle CPU entry areas without KASLR
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Merge tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Twelve cifs/smb3 client fixes (most also for stable)
- forced umount fix
- fix for two perf regressions
- reconnect fixes
- small debugging improvements
- multichannel fixes"
* tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6:
smb3: fix unusable share after force unmount failure
cifs: fix dentry lookups in directory handle cache
smb3: lower default deferred close timeout to address perf regression
cifs: fix missing unload_nls() in smb2_reconnect()
cifs: avoid race conditions with parallel reconnects
cifs: append path to open_enter trace event
cifs: print session id while listing open files
cifs: dump pending mids for all channels in DebugData
cifs: empty interface list when server doesn't support query interfaces
cifs: do not poll server interfaces too regularly
cifs: lock chan_lock outside match_session
cifs: check only tcon status on tcon related functions
- Fix a crash when using NFS with krb5p
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Merge tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix a crash when using NFS with krb5p
* tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix a crash in gss_krb5_checksum()
* Fix the new allocator tracepoints because git am mismerged the
changes such that the trace_XXX got rebased to be in function YYY
instead of XXX.
* Ensure that the perag AGFL_RESET state is consistent with whatever
we've just read off the disk.
* Fix a bug where we used the wrong iext cursor during a write begin.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull yet more xfs bug fixes from Darrick Wong:
"The first bugfix addresses a longstanding problem where we use the
wrong file mapping cursors when trying to compute the speculative
preallocation quantity. This has been causing sporadic crashes when
alwayscow mode is engaged.
The other two fixes correct minor problems in more recent changes.
- Fix the new allocator tracepoints because git am mismerged the
changes such that the trace_XXX got rebased to be in function YYY
instead of XXX
- Ensure that the perag AGFL_RESET state is consistent with whatever
we've just read off the disk
- Fix a bug where we used the wrong iext cursor during a write begin"
* tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix mismerged tracepoints
xfs: clear incore AGFL_RESET state if it's not needed
xfs: pass the correct cursor to xfs_iomap_prealloc_size
* Fix a race in the percpu counters summation code where the summation
failed to add in the values for any CPUs that were dying but not yet
dead. This fixes some minor discrepancies and incorrect assertions
when running generic/650.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs percpu counter fixes from Darrick Wong:
"We discovered a filesystem summary counter corruption problem that was
traced to cpu hot-remove racing with the call to percpu_counter_sum
that sets the free block count in the superblock when writing it to
disk. The root cause is that percpu_counter_sum doesn't cull from
dying cpus and hence misses those counter values if the cpu shutdown
hooks have not yet run to merge the values.
I'm hoping this is a fairly painless fix to the problem, since the
dying cpu mask should generally be empty. It's been in for-next for a
week without any complaints from the bots.
- Fix a race in the percpu counters summation code where the
summation failed to add in the values for any CPUs that were dying
but not yet dead. This fixes some minor discrepancies and incorrect
assertions when running generic/650"
* tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
pcpcntr: remove percpu_counter_sum_all()
fork: remove use of percpu_counter_sum_all
pcpcntrs: fix dying cpu summation race
cpumask: introduce for_each_cpu_or
* Add a few debugging assertions so that people (me) trying to port
code to the new allocator functions don't mess up the caller
requirements.
* Relax some overly cautious lock ordering enforcement in the new
allocator code, which means that file allocations will locklessly
scan for the best space they can get before backing off to the
traditional lock-and-really-get-it behavior.
* Add tracepoints to make it easier to trace the xfs allocator
behavior.
* Actually test the dir/xattr hash algorithm to make sure it produces
consistent results across all the platforms XFS supports.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"This batch started with some debugging enhancements to the new
allocator refactoring that we put in 6.3-rc1 to assist developers in
rebasing their dev branches.
As for more serious code changes -- there's a bug fix to make the
lockless allocator scan the whole filesystem before resorting to the
locking allocator. We're also adding a selftest for the venerable
directory/xattr hash function to make sure that it produces consistent
results so that we can address any fallout as soon as possible.
- Add a few debugging assertions so that people (me) trying to port
code to the new allocator functions don't mess up the caller
requirements
- Relax some overly cautious lock ordering enforcement in the new
allocator code, which means that file allocations will locklessly
scan for the best space they can get before backing off to the
traditional lock-and-really-get-it behavior
- Add tracepoints to make it easier to trace the xfs allocator
behavior
- Actually test the dir/xattr hash algorithm to make sure it produces
consistent results across all the platforms XFS supports"
* tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: test dir/attr hash when loading module
xfs: add tracepoints for each of the externally visible allocators
xfs: walk all AGs if TRYLOCK passed to xfs_alloc_vextent_iterate_ags
xfs: try to idiot-proof the allocators
- it87: Fix voltage scaling for chips with 10.9mV ADCs
- xgene: Fix ioremap and memremap leak
- peci/cputemp: Fix miscalculated DTS temperature for SKX
- hwmon core: fix potential sensor registration failure with thermal subsystem
if of_node is missing
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Merge tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- it87: Fix voltage scaling for chips with 10.9mV ADCs
- xgene: Fix ioremap and memremap leak
- peci/cputemp: Fix miscalculated DTS temperature for SKX
- hwmon core: fix potential sensor registration failure with thermal
subsystem if of_node is missing
* tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs
hwmon: (xgene) Fix ioremap and memremap leak
hwmon: fix potential sensor registration fail if of_node is missing
hwmon: (peci/cputemp) Fix miscalculated DTS for SKX
for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
are for other subsystems"
* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm: mmap: remove newline at the end of the trace
mailmap: add entries for Richard Leitner
kcsan: avoid passing -g for test
kfence: avoid passing -g for test
mm: kfence: fix using kfence_metadata without initialization in show_object()
lib: dhry: fix unstable smp_processor_id(_) usage
mailmap: add entry for Enric Balletbo i Serra
mailmap: map Sai Prakash Ranjan's old address to his current one
mailmap: map Rajendra Nayak's old address to his current one
Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
mailmap: add entry for Tobias Klauser
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
mm/ksm: fix race with VMA iteration and mm_struct teardown
kselftest: vm: fix unused variable warning
mm: fix error handling for map_deny_write_exec
mm: deduplicate error handling for map_deny_write_exec
checksyscalls: ignore fstat to silence build warning on LoongArch
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
test_maple_tree: add more testing for mas_empty_area()
maple_tree: fix mas_skip_node() end slot detection
...
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Merge tag '6.3-rc3-ksmbd-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
- return less confusing messages on unsupported dialects
(STATUS_NOT_SUPPORTED instead of I/O error)
- fix for overly frequent inactive session termination
- fix refcount leak
- fix bounds check problems found by static checkers
- fix to advertise named stream support correctly
- Fix AES256 signing bug when connected to from MacOS
* tag '6.3-rc3-ksmbd-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: return unsupported error on smb1 mount
ksmbd: return STATUS_NOT_SUPPORTED on unsupported smb2.0 dialect
ksmbd: don't terminate inactive sessions after a few seconds
ksmbd: fix possible refcount leak in smb2_open()
ksmbd: add low bound validation to FSCTL_QUERY_ALLOCATED_RANGES
ksmbd: add low bound validation to FSCTL_SET_ZERO_DATA
ksmbd: set FILE_NAMED_STREAMS attribute in FS_ATTRIBUTE_INFORMATION
ksmbd: fix wrong signingkey creation when encryption is AES256
As usual, most of the bug fixes address issues in the devicetree files,
and out of these, most are for the Qualcomm and NXP platforms, including:
- A missing "reserved-memory" property on LG G Watch R that
is needed to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the
hardware settings
- Firmware file names on multiple machines
SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX "weim" driver
- Error handling issues in Qualcomm "rmtfs", and "scm"
drivers and the Arm scmi firmware driver
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Merge tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, most of the bug fixes address issues in the devicetree
files, and out of these, most are for the Qualcomm and NXP platforms,
including:
- A missing 'reserved-memory' property on LG G Watch R that is needed
to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the hardware
settings
- Firmware file names on multiple machines SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing:
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX 'weim' driver
- Error handling issues in Qualcomm 'rmtfs', and 'scm' drivers and
the Arm scmi firmware driver"
* tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
arm64: dts: qcom: sc8280xp-x13s: mark bob regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s12b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s10b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s11b regulator as always-on
arm64: dts: imx93: add missing #address-cells and #size-cells to i2c nodes
bus: imx-weim: fix branch condition evaluates to a garbage value
arm64: dts: imx8mn: specify #sound-dai-cells for SAI nodes
ARM: dts: imx6sl: tolino-shine2hd: fix usbotg1 pinctrl
ARM: dts: imx6sll: e60k02: fix usbotg1 pinctrl
ARM: dts: imx6sll: e70k02: fix usbotg1 pinctrl
arm64: dts: imx93: Fix eqos properties
arm64: dts: imx8mp: Fix LCDIF2 node clock order
arm64: dts: imx8mm-nitrogen-r2: fix WM8960 clock name
arm64: dts: imx8dxl-evk: Fix eqos phy reset gpio
firmware: qcom: scm: fix bogus irq error at probe
arm64: dts: qcom: sm8550: Mark UFS controller as cache coherent
arm64: dts: qcom: sa8540p-ride: correct name of remoteproc_nsp0 firmware
arm64: dts: qcom: sm8450: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8350: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8550: fix LPASS pinctrl slew base address
...
- usual pile of fixes for amdgpu&i915
- probe error handling fixes for meson, lt8912b bridge
- the host1x patch from Arnd
- panel-orientation fix for Lenovo Book X90F
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Merge tag 'drm-fixes-2023-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Daniel Vetter:
- usual pile of fixes for amdgpu & i915
- probe error handling fixes for meson, lt8912b bridge
- the host1x patch from Arnd
- panel-orientation fix for Lenovo Book X90F
* tag 'drm-fixes-2023-03-24' of git://anongit.freedesktop.org/drm/drm: (23 commits)
gpu: host1x: fix uninitialized variable use
drm/amd/display: Set dcn32 caps.seamless_odm
drm/amd/display: fix wrong index used in dccg32_set_dpstreamclk
drm/amdgpu/nv: Apply ASPM quirk on Intel ADL + AMD Navi
drm/amd/display: remove outdated 8bpc comments
drm/amdgpu/gfx: set cg flags to enter/exit safe mode
drm/amdgpu: Force signal hw_fences that are embedded in non-sched jobs
drm/amdgpu: add mes resume when do gfx post soft reset
drm/amdgpu: skip ASIC reset for APUs when go to S4
drm/amdgpu: reposition the gpu reset checking for reuse
drm/bridge: lt8912b: return EPROBE_DEFER if bridge is not found
drm/meson: fix missing component unbind on bind errors
drm: panel-orientation-quirks: Add quirk for Lenovo Yoga Book X90F
Revert "drm/i915/hwmon: Enable PL1 power limit"
drm/i915: Update vblank timestamping stuff on seamless M/N change
drm/i915: Fix format for perf_limit_reasons
drm/i915/gt: perform uc late init after probe error injection
drm/i915/active: Fix missing debug object activation
drm/i915/guc: Fix missing ecodes
drm/i915/mtl: Disable MC6 for MTL A step
...
target flag (initially added to allow swap to dm-crypt) to throttle
the amount of outstanding swap bios.
- Fix DM crypt soft lockup warnings by calling cond_resched() from the
cpu intensive loop in dmcrypt_write().
- Fix DM crypt to not access an uninitialized tasklet. This fix allows
for consistent handling of IO completion, by _not_ needlessly punting
to a workqueue when tasklets are not needed.
- Fix DM core's alloc_dev() initialization for DM stats to check for
and propagate alloc_percpu() failure.
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Merge tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM thin to work as a swap device by using 'limit_swap_bios' DM
target flag (initially added to allow swap to dm-crypt) to throttle
the amount of outstanding swap bios.
- Fix DM crypt soft lockup warnings by calling cond_resched() from the
cpu intensive loop in dmcrypt_write().
- Fix DM crypt to not access an uninitialized tasklet. This fix allows
for consistent handling of IO completion, by _not_ needlessly punting
to a workqueue when tasklets are not needed.
- Fix DM core's alloc_dev() initialization for DM stats to check for
and propagate alloc_percpu() failure.
* tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm stats: check for and propagate alloc_percpu failure
dm crypt: avoid accessing uninitialized tasklet
dm crypt: add cond_resched() to dmcrypt_write()
dm thin: fix deadlock when swapping to thin device
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Merge tag 'block-6.3-2023-03-24' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- Send Identify with CNS 06h only to I/O controllers (Martin
George)
- Fix nvme_tcp_term_pdu to match spec (Caleb Sander)
- Pass in issue_flags for uring_cmd, so the end_io handlers don't need
to assume what the right context is (me)
- Fix for ublk, marking it as LIVE before adding it to avoid races on
the initial IO (Ming)
* tag 'block-6.3-2023-03-24' of git://git.kernel.dk/linux:
nvme-tcp: fix nvme_tcp_term_pdu to match spec
nvme: send Identify with CNS 06h only to I/O controllers
block/io_uring: pass in issue_flags for uring_cmd task_work handling
block: ublk_drv: mark device as LIVE before adding disk
