Short DIO reads, particularly in relation to cifs, are not being handled
correctly by cifs and netfslib. This can be tested by doing a DIO read of
a file where the size of read is larger than the size of the file. When it
crosses the EOF, it gets a short read and this gets retried, and in the
case of cifs, the retry read fails, with the failure being translated to
ENODATA.
Fix this by the following means:
(1) Add a flag, NETFS_SREQ_HIT_EOF, for the filesystem to set when it
detects that the read did hit the EOF.
(2) Make the netfslib read assessment stop processing subrequests when it
encounters one with that flag set.
(3) Return rreq->transferred, the accumulated contiguous amount read to
that point, to userspace for a DIO read.
(4) Make cifs set the flag and clear the error if the read RPC returned
ENODATA.
(5) Make cifs set the flag and clear the error if a short read occurred
without error and the read-to file position is now at the remote inode
size.
Fixes: 69c3c023af ("cifs: Implement netfslib hooks")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
When netfslib asks cifs to issue a read operation, it prefaces this with a
call to ->clamp_length() which cifs uses to negotiate credits, providing
receive capacity on the server; however, in the event that a read op needs
reissuing, netfslib doesn't call ->clamp_length() again as that could
shorten the subrequest, leaving a gap.
This causes the retried read to be done with zero credits which causes the
server to reject it with STATUS_INVALID_PARAMETER. This is a problem for a
DIO read that is requested that would go over the EOF. The short read will
be retried, causing EINVAL to be returned to the user when it fails.
Fix this by making cifs_req_issue_read() negotiate new credits if retrying
(NETFS_SREQ_RETRYING now gets set in the read side as well as the write
side in this instance).
This isn't sufficient, however: the new credits might not be sufficient to
complete the remainder of the read, so also add an additional field,
rreq->actual_len, that holds the actual size of the op we want to perform
without having to alter subreq->len.
We then rely on repeated short reads being retried until we finish the read
or reach the end of file and make a zero-length read.
Also fix a couple of places where the subrequest start and length need to
be altered by the amount so far transferred when being used.
Fixes: 69c3c023af ("cifs: Implement netfslib hooks")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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Merge tag 'v6.11-rc5-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- two RDMA/smbdirect fixes and a minor cleanup
- punch hole fix
* tag 'v6.11-rc5-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix FALLOC_FL_PUNCH_HOLE support
smb/client: fix rdma usage in smb2_async_writev()
smb/client: remove unused rq_iter_size from struct smb_rqst
smb/client: avoid dereferencing rdata=NULL in smb2_new_read_req()
Contains a bug fix for tpm_ibmvtpm driver so that it will take the bus
encryption into use.
BR, Jarkko
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Merge tag 'tpmdd-next-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull TPM fix from Jarkko Sakkinen:
"A bug fix for tpm_ibmvtpm driver so that it will take the bus
encryption into use"
* tag 'tpmdd-next-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: ibmvtpm: Call tpm2_sessions_init() to initialize session support
- Fix the hwirq map and pin offsets in the Qualcomm X1E80100 driver.
- Fix the pin range handling in the AT91 driver so it works again.
- Fix a NULL-dereference risk in pinctrl single.
- Fix a serious biasing bug in the Mediatek driver.
- Fix the level trigged IRQ in the StarFive JH7110.
- Fix the iomux width in the Rockchip GPIO2-B pin handling.
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Merge tag 'pinctrl-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fix the hwirq map and pin offsets in the Qualcomm X1E80100 driver
- Fix the pin range handling in the AT91 driver so it works again
- Fix a NULL-dereference risk in pinctrl single
- Fix a serious biasing bug in the Mediatek driver
- Fix the level trigged IRQ in the StarFive JH7110
- Fix the iomux width in the Rockchip GPIO2-B pin handling
* tag 'pinctrl-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: rockchip: correct RK3328 iomux width flag for GPIO2-B pins
pinctrl: starfive: jh7110: Correct the level trigger configuration of iev register
pinctrl: qcom: x1e80100: Fix special pin offsets
pinctrl: mediatek: common-v2: Fix broken bias-disable for PULL_PU_PD_RSEL_TYPE
pinctrl: single: fix potential NULL dereference in pcs_get_function()
pinctrl: at91: make it work with current gpiolib
pinctrl: qcom: x1e80100: Update PDC hwirq map
It became a bit larger collection of fixes than wished at this time,
but all changes are small and mostly device-specific fixes that
should be fairly safe to apply. Majority of fixes are about ASoC
for AMD SOF, Cirrus codecs, lpass, etc, in addition to the usual
HD-audio quirks / fixes.
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Merge tag 'sound-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"It became a bit larger collection of fixes than wished at this time,
but all changes are small and mostly device-specific fixes that should
be fairly safe to apply.
Majority of fixes are about ASoC for AMD SOF, Cirrus codecs, lpass,
etc, in addition to the usual HD-audio quirks / fixes"
* tag 'sound-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (22 commits)
ALSA: hda: hda_component: Fix mutex crash if nothing ever binds
ALSA: hda/realtek: support HP Pavilion Aero 13-bg0xxx Mute LED
ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book3 Ultra
ASoC: cs-amp-lib: Ignore empty UEFI calibration entries
ASoC: cs-amp-lib-test: Force test calibration blob entries to be valid
ALSA: hda/realtek - FIxed ALC285 headphone no sound
ALSA: hda/realtek - Fixed ALC256 headphone no sound
ASoC: allow module autoloading for table board_ids
ASoC: allow module autoloading for table db1200_pids
ALSA: hda: cs35l56: Don't use the device index as a calibration index
ALSA: seq: Skip event type filtering for UMP events
ALSA: hda/realtek: Enable mute/micmute LEDs on HP Laptop 14-ey0xxx
ASoC: SOF: amd: Fix for acp init sequence
ASoC: amd: acp: fix module autoloading
ASoC: mediatek: mt8188: Mark AFE_DAC_CON0 register as volatile
ASoC: codecs: wcd937x: Fix missing de-assert of reset GPIO
ASoC: SOF: mediatek: Add missing board compatible
ASoC: MAINTAINERS: Drop Banajit Goswami from Qualcomm sound drivers
ASoC: SOF: amd: Fix for incorrect acp error register offsets
ASoC: SOF: amd: move iram-dram fence register programming sequence
...
Commit d2add27cf2 ("tpm: Add NULL primary creation") introduced
CONFIG_TCG_TPM2_HMAC. When this option is enabled on ppc64 then the
following message appears in the kernel log due to a missing call to
tpm2_sessions_init().
[ 2.654549] tpm tpm0: auth session is not active
Add the missing call to tpm2_session_init() to the ibmvtpm driver to
resolve this issue.
Cc: stable@vger.kernel.org # v6.10+
Fixes: d2add27cf2 ("tpm: Add NULL primary creation")
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Merge tag 'vfs-6.11-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"VFS:
- Ensure that backing files uses file->f_ops->splice_write() for
splice
netfs:
- Revert the removal of PG_private_2 from netfs_release_folio() as
cephfs still relies on this
- When AS_RELEASE_ALWAYS is set on a mapping the folio needs to
always be invalidated during truncation
- Fix losing untruncated data in a folio by making letting
netfs_release_folio() return false if the folio is dirty
- Fix trimming of streaming-write folios in netfs_inval_folio()
- Reset iterator before retrying a short read
- Fix interaction of streaming writes with zero-point tracker
afs:
- During truncation afs currently calls truncate_setsize() which sets
i_size, expands the pagecache and truncates it. The first two
operations aren't needed because they will have already been done.
So call truncate_pagecache() instead and skip the redundant parts
overlayfs:
- Fix checking of the number of allowed lower layers so 500 layers
can actually be used instead of just 499
- Add missing '\n' to pr_err() output
- Pass string to ovl_parse_layer() and thus allow it to be used for
Opt_lowerdir as well
pidfd:
- Revert blocking the creation of pidfds for kthread as apparently
userspace relies on this. Specifically, it breaks systemd during
shutdown
romfs:
- Fix romfs_read_folio() to use the correct offset with
folio_zero_tail()"
* tag 'vfs-6.11-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
netfs: Fix interaction of streaming writes with zero-point tracker
netfs: Fix missing iterator reset on retry of short read
netfs: Fix trimming of streaming-write folios in netfs_inval_folio()
netfs: Fix netfs_release_folio() to say no if folio dirty
afs: Fix post-setattr file edit to do truncation correctly
mm: Fix missing folio invalidation calls during truncation
ovl: ovl_parse_param_lowerdir: Add missed '\n' for pr_err
ovl: fix wrong lowerdir number check for parameter Opt_lowerdir
ovl: pass string to ovl_parse_layer()
backing-file: convert to using fops->splice_write
Revert "pidfd: prevent creation of pidfds for kthreads"
romfs: fix romfs_read_folio()
netfs, ceph: Partially revert "netfs: Replace PG_fscache by setting folio->private and marking dirty"
On some machines with a large number of CPUs there is a sizable delay
between an atomic replace occurring and when sysfs updates accordingly.
This fix uses 'loop_until' to wait for the atomic replace to unload all
previous livepatches.
Reported-by: CKI Project <cki-project@redhat.com>
Closes: https://datawarehouse.cki-project.org/kcidb/tests/redhat:1413102084-x86_64-kernel_upt_28
Signed-off-by: Ryan Sullivan <rysulliv@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Link: https://lore.kernel.org/r/20240822173122.14760-1-rysulliv@redhat.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
Move the initialization of parent->mutex into
hda_component_manager_init() so that it is always valid.
In hda_component_manager_bind() do not clear the parent information.
Only zero-fill the per-component data ready for it to be filled in
by the components as they bind.
Previously parent->mutex was being initialized only in
hda_component_manager_bind(). This meant that it was only
initialized if all components appeared and there was a bind callback.
If there wasn't a bind the mutex object was not valid when the
Realtek driver called any of the other functions.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 047b9cbbaa ("ALSA: hda: hda_component: Protect shared data with a mutex")
Link: https://patch.msgid.link/20240826094940.45563-1-rf@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch adds the HP Pavilion Aero 13 (13-bg0xxx) (year 2024) to list of
quirks for keyboard LED mute indication.
The laptop has two LEDs (one for speaker and one for mic mute). The
pre-existing quirk ALC245_FIXUP_HP_X360_MUTE_LEDS chains both the quirk for
mic and speaker mute.
Tested on 6.11.0-rc4 with the aforementioned laptop.
Signed-off-by: Hendrik Borghorst <hendrikborghorst@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240825174351.5687-1-hendrikborghorst@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
144d:c1cc requires the same workaround to enable the speaker amp
as other Samsung models with the ALC298 codec.
Signed-off-by: YOUNGJIN JOO <neoelec@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240825092515.28728-1-neoelec@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The cifs filesystem doesn't quite emulate FALLOC_FL_PUNCH_HOLE correctly
(note that due to lack of protocol support, it can't actually implement it
directly). Whilst it will (partially) invalidate dirty folios in the
pagecache, it doesn't write them back first, and so the EOF marker on the
server may be lower than inode->i_size.
This presents a problem, however, as if the punched hole invalidates the
tail of the locally cached dirty data, writeback won't know it needs to
move the EOF over to account for the hole punch (which isn't supposed to
move the EOF). We could just write zeroes over the punched out region of
the pagecache and write that back - but this is supposed to be a
deallocatory operation.
Fix this by manually moving the EOF over on the server after the operation
if the hole punched would corrupt it.
Note that the FSCTL_SET_ZERO_DATA RPC and the setting of the EOF should
probably be compounded to stop a third party interfering (or, at least,
massively reduce the chance).
This was reproducible occasionally by using fsx with the following script:
truncate 0x0 0x375e2 0x0
punch_hole 0x2f6d3 0x6ab5 0x375e2
truncate 0x0 0x3a71f 0x375e2
mapread 0xee05 0xcf12 0x3a71f
write 0x2078e 0x5604 0x3a71f
write 0x3ebdf 0x1421 0x3a71f *
punch_hole 0x379d0 0x8630 0x40000 *
mapread 0x2aaa2 0x85b 0x40000
fallocate 0x1b401 0x9ada 0x40000
read 0x15f2 0x7d32 0x40000
read 0x32f37 0x7a3b 0x40000 *
The second "write" should extend the EOF to 0x40000, and the "punch_hole"
should operate inside of that - but that depends on whether the VM gets in
and writes back the data first. If it doesn't, the file ends up 0x3a71f in
size, not 0x40000.
Fixes: 31742c5a33 ("enable fallocate punch hole ("fallocate -p") for SMB3")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
Signed-off-by: Steve French <stfrench@microsoft.com>
rqst.rq_iter needs to be truncated otherwise we'll
also send the bytes into the stream socket...
This is the logic behind rqst.rq_npages = 0, which was removed in
"cifs: Change the I/O paths to use an iterator rather than a page list"
(d08089f649).
Cc: stable@vger.kernel.org
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This happens when called from SMB2_read() while using rdma
and reaching the rdma_readwrite_threshold.
Cc: stable@vger.kernel.org
Fixes: a6559cc1d3 ("cifs: split out smb3_use_rdma_offload() helper")
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
- rhashtable conversion for vfs inodes
- rcu_pending, btree key cache conversion
+ nocow deadlock fix
+ fix for new rebalance_work accounting
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Merge tag 'bcachefs-2024-08-24' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- assorted syzbot fixes
- some upgrade fixes for old (pre 1.0) filesystems
- fix for moving data off a device that was switched to durability=0
after data had been written to it.
- nocow deadlock fix
- fix for new rebalance_work accounting
* tag 'bcachefs-2024-08-24' of git://evilpiepirate.org/bcachefs: (28 commits)
bcachefs: Fix rebalance_work accounting
bcachefs: Fix failure to flush moves before sleeping in copygc
bcachefs: don't use rht_bucket() in btree_key_cache_scan()
bcachefs: add missing inode_walker_exit()
bcachefs: clear path->should_be_locked in bch2_btree_key_cache_drop()
bcachefs: Fix double assignment in check_dirent_to_subvol()
bcachefs: Fix refcounting in discard path
bcachefs: Fix compat issue with old alloc_v4 keys
bcachefs: Fix warning in bch2_fs_journal_stop()
fs/super.c: improve get_tree() error message
bcachefs: Fix missing validation in bch2_sb_journal_v2_validate()
bcachefs: Fix replay_now_at() assert
bcachefs: Fix locking in bch2_ioc_setlabel()
bcachefs: fix failure to relock in btree_node_fill()
bcachefs: fix failure to relock in bch2_btree_node_mem_alloc()
bcachefs: unlock_long() before resort in journal replay
bcachefs: fix missing bch2_err_str()
bcachefs: fix time_stats_to_text()
bcachefs: Fix bch2_bucket_gens_init()
bcachefs: Fix bch2_trigger_alloc assert
...
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Merge tag '6.11-rc5-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- query directory flex array fix
- fix potential null ptr reference in open
- fix error message in some open cases
- two minor cleanups
* tag '6.11-rc5-server-fixes' of git://git.samba.org/ksmbd:
smb/server: update misguided comment of smb2_allocate_rsp_buf()
smb/server: remove useless assignment of 'file_present' in smb2_open()
smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()
smb/server: fix return value of smb2_open()
ksmbd: the buffer of smb2 query dir response has at least 1 byte
- Fix KASLR base offset to account for symbol offsets in the vmlinux
ELF file, preventing tool breakages like the drgn debugger
- Fix potential memory corruption of physmem_info during kernel physical
address randomization
- Fix potential memory corruption due to overlap between the relocated
lowcore and identity mapping by correctly reserving lowcore memory
- Fix performance regression and avoid randomizing identity mapping base
by default
- Fix unnecessary delay of AP bus binding complete uevent to prevent
startup lag in KVM guests using AP
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Merge tag 's390-6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix KASLR base offset to account for symbol offsets in the vmlinux
ELF file, preventing tool breakages like the drgn debugger
- Fix potential memory corruption of physmem_info during kernel
physical address randomization
- Fix potential memory corruption due to overlap between the relocated
lowcore and identity mapping by correctly reserving lowcore memory
- Fix performance regression and avoid randomizing identity mapping
base by default
- Fix unnecessary delay of AP bus binding complete uevent to prevent
startup lag in KVM guests using AP
* tag 's390-6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/boot: Fix KASLR base offset off by __START_KERNEL bytes
s390/boot: Avoid possible physmem_info segment corruption
s390/ap: Refine AP bus bindings complete processing
s390/mm: Pin identity mapping base to zero
s390/mm: Prevent lowcore vs identity mapping overlap
The important core fix is another tweak to our discard discovery
issues. The off by 512 in logical block count seems bad, but in fact
the inline was only ever used in debug prints, which is why no-one
noticed.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"The important core fix is another tweak to our discard discovery
issues. The off by 512 in logical block count seems bad, but in fact
the inline was only ever used in debug prints, which is why no-one
noticed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: Do not attempt to configure discard unless LBPME is set
scsi: MAINTAINERS: Add header files to SCSI SUBSYSTEM
scsi: ufs: qcom: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 SoC
scsi: ufs: core: Add a quirk for handling broken LSDBS field in controller capabilities register
scsi: core: Fix the return value of scsi_logical_block_count()
scsi: MAINTAINERS: Update HiSilicon SAS controller driver maintainer
The base iomux offsets for each GPIO pin line are accumulatively
calculated based off iomux width flag in rockchip_pinctrl_get_soc_data.
If the iomux width flag is one of IOMUX_WIDTH_4BIT, IOMUX_WIDTH_3BIT or
IOMUX_WIDTH_2BIT, the base offset for next pin line would increase by 8
bytes, otherwise it would increase by 4 bytes.
Despite most of GPIO2-B iomux have 2-bit data width, which can be fit
into 4 bytes space with write mask, it actually take 8 bytes width for
whole GPIO2-B line.
Commit e8448a6c81 ("pinctrl: rockchip: fix pinmux bits for RK3328
GPIO2-B pins") wrongly set iomux width flag to 0, causing all base
iomux offset for line after GPIO2-B to be calculated wrong. Fix the
iomux width flag to IOMUX_WIDTH_2BIT so the offset after GPIO2-B is
correctly increased by 8, matching the actual width of GPIO2-B iomux.
Fixes: e8448a6c81 ("pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins")
Cc: stable@vger.kernel.org
Reported-by: Richard Kojedzinszky <richard@kojedz.in>
Closes: https://lore.kernel.org/linux-rockchip/4f29b743202397d60edfb3c725537415@kojedz.in/
Tested-by: Richard Kojedzinszky <richard@kojedz.in>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Trevor Woerner <twoerner@gmail.com>
Link: https://lore.kernel.org/20240709105428.1176375-1-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
rebalance_work was keying off of the presence of rebelance_opts in the
extent - but that was incorrect, we keep those around after rebalance
for indirect extents since the inode's options are not directly
available
Fixes: 20ac515a9c ("bcachefs: bch_acct_rebalance_work")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This fixes an apparent deadlock - rebalance would get stuck trying to
take nocow locks because they weren't being released by copygc.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
When a folio that is marked for streaming write (dirty, but not uptodate,
with partial content specified in the private data) is written back, the
folio is effectively switched to the blank state upon completion of the
write. This means that if we want to read it in future, we need to reread
the whole folio.
However, if the folio is above the zero_point position, when it is read
back, it will just be cleared and the read skipped, leading to apparent
local corruption.
Fix this by increasing the zero_point to the end of the dirty data in the
folio when clearing the folio state after writeback. This is analogous to
the folio having ->release_folio() called upon it.
This was causing the config.log generated by configuring a cpython tree on
a cifs share to get corrupted because the scripts involved were appending
text to the file in small pieces.
Fixes: 288ace2f57 ("netfs: New writeback implementation")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/563286.1724500613@warthog.procyon.org.uk
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
When netfslib writes to a folio that it doesn't have data for, but that
data exists on the server, it will make a 'streaming write' whereby it
stores data in a folio that is marked dirty, but not uptodate. When it
does this, it attaches a record to folio->private to track the dirty
region.
When truncate() or fallocate() wants to invalidate part of such a folio, it
will call into ->invalidate_folio(), specifying the part of the folio that
is to be invalidated. netfs_invalidate_folio(), on behalf of the
filesystem, must then determine how to trim the streaming write record. In
a couple of cases, however, it does this incorrectly (the reduce-length and
move-start cases are switched over and don't, in any case, calculate the
value correctly).
Fix this by making the logic tree more obvious and fixing the cases.
Fixes: 9ebff83e64 ("netfs: Prep to use folio->private for write grouping and streaming write")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240823200819.532106-5-dhowells@redhat.com
cc: Matthew Wilcox (Oracle) <willy@infradead.org>
cc: Pankaj Raghav <p.raghav@samsung.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Fix netfs_release_folio() to say no (ie. return false) if the folio is
dirty (analogous with iomap's behaviour). Without this, it will say yes to
the release of a dirty page by split_huge_page_to_list_to_order(), which
will result in the loss of untruncated data in the folio.
Without this, the generic/075 and generic/112 xfstests (both fsx-based
tests) fail with minimum folio size patches applied[1].
Fixes: c1ec4d7c2e ("netfs: Provide invalidate_folio and release_folio calls")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240815090849.972355-1-kernel@pankajraghav.com/ [1]
Link: https://lore.kernel.org/r/20240823200819.532106-4-dhowells@redhat.com
cc: Matthew Wilcox (Oracle) <willy@infradead.org>
cc: Pankaj Raghav <p.raghav@samsung.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
At the end of an kAFS RPC operation, there is an "edit" phase (originally
intended for post-directory modification ops to edit the local image) that
the setattr VFS op uses to fix up the pagecache if the RPC that requested
truncation of a file was successful.
afs_setattr_edit_file() calls truncate_setsize() which sets i_size, expands
the pagecache if needed and truncates the pagecache. The first two of
those, however, are redundant as they've already been done by
afs_setattr_success() under the io_lock and the first is also done under
the callback lock (cb_lock).
Fix afs_setattr_edit_file() to call truncate_pagecache() instead (which is
called by truncate_setsize(), thereby skipping the redundant parts.
Fixes: 100ccd18bb ("netfs: Optimise away reads above the point at which there can be no data")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240823200819.532106-3-dhowells@redhat.com
cc: Matthew Wilcox (Oracle) <willy@infradead.org>
cc: Pankaj Raghav <p.raghav@samsung.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
When AS_RELEASE_ALWAYS is set on a mapping, the ->release_folio() and
->invalidate_folio() calls should be invoked even if PG_private and
PG_private_2 aren't set. This is used by netfslib to keep track of the
point above which reads can be skipped in favour of just zeroing pagecache
locally.
There are a couple of places in truncation in which invalidation is only
called when folio_has_private() is true. Fix these to check
folio_needs_release() instead.
Without this, the generic/075 and generic/112 xfstests (both fsx-based
tests) fail with minimum folio size patches applied[1].
Fixes: b4fa966f03 ("mm, netfs, fscache: stop read optimisation when folio removed from pagecache")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240815090849.972355-1-kernel@pankajraghav.com/ [1]
Link: https://lore.kernel.org/r/20240823200819.532106-2-dhowells@redhat.com
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
cc: Matthew Wilcox (Oracle) <willy@infradead.org>
cc: Pankaj Raghav <p.raghav@samsung.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Three patches addressing cpuset corner cases.
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Merge tag 'cgroup-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"Three patches addressing cpuset corner cases"
* tag 'cgroup-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Eliminate unncessary sched domains rebuilds in hotplug
cgroup/cpuset: Clear effective_xcpus on cpus_allowed clearing only if cpus.exclusive not set
cgroup/cpuset: fix panic caused by partcmd_update
Nothing too interesting. One patch to remove spurious warning and others to
address static checker warnings.
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Merge tag 'wq-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Nothing too interesting. One patch to remove spurious warning and
others to address static checker warnings"
* tag 'wq-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Correct declaration of cpu_pwq in struct workqueue_struct
workqueue: Fix spruious data race in __flush_work()
workqueue: Remove incorrect "WARN_ON_ONCE(!list_empty(&worker->entry));" from dying worker
workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask()
workqueue: doc: Fix function name, remove markers
- Only request r4k clockevent interrupt on one CPU
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Merge tag 'mips-fixes_6.11_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Set correct timer mode on Loongson64
- Only request r4k clockevent interrupt on one CPU
* tag 'mips-fixes_6.11_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed
MIPS: Loongson64: Set timer mode in cpu-probe
- Don't drop references on LPIs that weren't visited by the vgic-debug
iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 kvm fixes from Catalin Marinas:
- Don't drop references on LPIs that weren't visited by the vgic-debug
iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
KVM: arm64: Ensure canonical IPA is hugepage-aligned when handling fault
KVM: arm64: vgic: Don't hold config_lock while unregistering redistributors
KVM: arm64: vgic-debug: Don't put unmarked LPIs
Bugfixes:
* Fix rpcrdma refcounting in xa_alloc
* Fix rpcrdma usage of XA_FLAGS_ALLOC
* Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
* Fix attribute bitmap decoder to handle a 3rd word
* Add reschedule points when returning delegations to avoid soft lockups
* Fix clearing layout segments in layoutreturn
* Avoid unnecessary rescanning of the per-server delegation list
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Merge tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
- Fix rpcrdma refcounting in xa_alloc
- Fix rpcrdma usage of XA_FLAGS_ALLOC
- Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
- Fix attribute bitmap decoder to handle a 3rd word
- Add reschedule points when returning delegations to avoid soft lockups
- Fix clearing layout segments in layoutreturn
- Avoid unnecessary rescanning of the per-server delegation list
* tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Avoid unnecessary rescanning of the per-server delegation list
NFSv4: Fix clearing of layout segments in layoutreturn
NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations
nfs: fix bitmap decoder to handle a 3rd word
nfs: fix the fetch of FATTR4_OPEN_ARGUMENTS
rpcrdma: Trace connection registration and unregistration
rpcrdma: Use XA_FLAGS_ALLOC instead of XA_FLAGS_ALLOC1
rpcrdma: Device kref is over-incremented on error from xa_alloc
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Merge tag 'v6.11-rc4-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix refcount leak (can cause rmmod fail)
- fix byte range locking problem with cached reads
- fix for mount failure if reparse point unrecognized
- minor typo
* tag 'v6.11-rc4-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb/client: fix typo: GlobalMid_Sem -> GlobalMid_Lock
smb: client: ignore unhandled reparse tags
smb3: fix problem unloading module due to leaked refcount on shutdown
smb3: fix broken cached reads when posix locks
- a tweak to uinput interface to reject requests with abnormally large
number of slots. 100 slots/contacts should be enough for real devices
- support for FocalTech FT8201 added to the edt-ft5x06 driver
- tweaks to i8042 to handle more devices that have issue with its
emulation
- Synaptics touchpad switched to native SMbus/RMI mode on HP Elitebook
840 G2
- other minor fixes.
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Merge tag 'input-for-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a tweak to uinput interface to reject requests with abnormally large
number of slots. 100 slots/contacts should be enough for real devices
- support for FocalTech FT8201 added to the edt-ft5x06 driver
- tweaks to i8042 to handle more devices that have issue with its
emulation
- Synaptics touchpad switched to native SMbus/RMI mode on HP Elitebook
840 G2
- other minor fixes
* tag 'input-for-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: himax_hx83112b - fix incorrect size when reading product ID
Input: i8042 - use new forcenorestore quirk to replace old buggy quirk combination
Input: i8042 - add forcenorestore quirk to leave controller untouched even on s3
Input: i8042 - add Fujitsu Lifebook E756 to i8042 quirk table
Input: uinput - reject requests with unreasonable number of slots
Input: edt-ft5x06 - add support for FocalTech FT8201
dt-bindings: input: touchscreen: edt-ft5x06: Document FT8201 support
Input: adc-joystick - fix optional value handling
Input: synaptics - enable SMBus for HP Elitebook 840 G2
Input: ads7846 - ratelimit the spi_sync error message
msm:
- virtual plane fixes
- drop yuv on hw where not supported
- csc vs yuv format fix
- rotation fix
- fix fb cleanup on close
- reset phy before link training
- fix visual corruption at 4K
- fix NULL ptr crash on hotplug
- simplify debug macros
- sc7180 fix
- adreno firmware name error path fix
amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
i915:
- fix HDCP timeouts
nouveau:
- fix SG_DEBUG crash
xe:
- Fix OA format masks which were breaking build with gcc-5
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)
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Merge tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes. xe and msm are the major groups, with
amdgpu/i915/nouveau having smaller bits. xe has a bunch of hw
workaround fixes that were found to be missing, so that is why there
are a bunch of scattered fixes, and one larger one. But overall size
doesn't look too out of the ordinary.
msm:
- virtual plane fixes:
- drop yuv on hw where not supported
- csc vs yuv format fix
- rotation fix
- fix fb cleanup on close
- reset phy before link training
- fix visual corruption at 4K
- fix NULL ptr crash on hotplug
- simplify debug macros
- sc7180 fix
- adreno firmware name error path fix
amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
i915:
- fix HDCP timeouts
nouveau:
- fix SG_DEBUG crash
xe:
- Fix OA format masks which were breaking build with gcc-5
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)"
* tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel: (35 commits)
drm/xe: Free job before xe_exec_queue_put
drm/xe: Drop HW fence pointer to HW fence ctx
drm/xe: Fix missing workqueue destroy in xe_gt_pagefault
drm/amdgpu: fix eGPU hotplug regression
drm/amdgpu: Validate TA binary size
drm/amdgpu/sdma5.2: limit wptr workaround to sdma 5.2.1
drm/amdgpu: fixing rlc firmware loading failure issue
drm/xe/uc: Use devm to register cleanup that includes exec_queues
drm/xe: use devm instead of drmm for managed bo
drm/xe/xe2hpg: Add Wa_14021821874
drm/xe: fix WA 14018094691
drm/xe/xe2: Add Wa_15015404425
drm/xe/xe2: Make subsequent L2 flush sequential
drm/xe/xe2lpg: Extend workaround 14021402888
drm/xe/xe2lpm: Extend Wa_16021639441
drm/xe/bmg: implement Wa_16023588340
drm/xe/oa/uapi: Make bit masks unsigned
drm/xe/display: Make display suspend/resume work on discrete
drm/xe: prevent UAF around preempt fence
drm/xe: Fix tile fini sequence
...
Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart-backlight
driver binds to it, but the backlight is actually controlled by other
means (Hans de Goede).
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Merge tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart
backlight driver binds to it, but the backlight is actually controlled
by other means (Hans de Goede)"
* tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add backlight=native quirk for Dell OptiPlex 7760 AIO
platform/x86: dell-uart-backlight: Use acpi_video_get_backlight_type()
ACPI: video: Add Dell UART backlight controller detection
- Use IS_ERR() in checks of debugfs_create_dir() return value instead of
checking it against NULL in the thermal debug code (Yang Ruibin).
- Fix three OF node reference leaks in thermal_of (Krzysztof Kozlowski).
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Merge tag 'thermal-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix error handling in the thermal debug code and OF node
reference leaks in the thermal OF driver.
Specifics:
- Use IS_ERR() in checks of debugfs_create_dir() return value instead
of checking it against NULL in the thermal debug code (Yang Ruibin)
- Fix three OF node reference leaks in thermal_of (Krzysztof
Kozlowski)"
* tag 'thermal-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: of: Fix OF node leak in of_thermal_zone_find() error paths
thermal: of: Fix OF node leak in thermal_of_zone_register()
thermal: of: Fix OF node leak in thermal_of_trips_init() error path
thermal/debugfs: Fix the NULL vs IS_ERR() confusion in debugfs_create_dir()
A small collection of fixes here, all driver specific and none of them
too serious. For whatever reason runtime PM seems to have been causing
a bunch of issues recently.
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Merge tag 'spi-fix-v6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes here, all driver specific and none of them
too serious. For whatever reason runtime PM seems to have been causing
a bunch of issues recently"
* tag 'spi-fix-v6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: pxa2xx: Move PM runtime handling to the glue drivers
spi: pxa2xx: Do not override dev->platform_data on probe
spi: spi-fsl-lpspi: limit PRESCALE bit in TCR register
spi: spi-cadence-quadspi: Fix OSPI NOR failures during system resume
spi: zynqmp-gqspi: Scale timeout by data size
Add '\n' for pr_err in function ovl_parse_param_lowerdir(), which
ensures that error message is displayed at once.
Fixes: b36a5780cb ("ovl: modify layer parameter parsing")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Link: https://lore.kernel.org/r/20240705011510.794025-4-chengzhihao1@huawei.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
The max count of lowerdir is OVL_MAX_STACK[500], which is broken by
commit 37f32f526438("ovl: fix memory leak in ovl_parse_param()") for
parameter Opt_lowerdir. Since commit 819829f0319a("ovl: refactor layer
parsing helpers") and commit 24e16e385f22("ovl: add support for
appending lowerdirs one by one") added check ovl_mount_dir_check() in
function ovl_parse_param_lowerdir(), the 'ctx->nr' should be smaller
than OVL_MAX_STACK, after commit 37f32f526438("ovl: fix memory leak in
ovl_parse_param()") is applied, the 'ctx->nr' is updated before the
check ovl_mount_dir_check(), which leads the max count of lowerdir
to become 499 for parameter Opt_lowerdir.
Fix it by replacing lower layers parsing code with the existing helper
function ovl_parse_layer().
Fixes: 37f32f5264 ("ovl: fix memory leak in ovl_parse_param()")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Link: https://lore.kernel.org/r/20240705011510.794025-3-chengzhihao1@huawei.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
