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This patch addresses an issue observed when resize_inode is disabled
and an online extension of a filesysyem is performed. When a filesystem
is expanded to a size that does not require a addition of a new
descriptor block, the meta_bg feature is being enabled even though no
part of the filesystem uses this layout.
This patch ensures that the meta_bg feature is only enabled if
any of the added block groups utilize meta_bg layout.
Signed-off-by: Srivathsa Dara <srivathsa.d.dara@oracle.com>
Link: https://lore.kernel.org/r/20240227131329.2608466-1-srivathsa.d.dara@oracle.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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all caller of ext4_issue_discard() would set biop to NULL since
'commit 55cdd0af2bc5 ("ext4: get discard out of jbd2 commit kthread
contex")', it's unnecessary to keep this parameter any more.
Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20240226081731.3224470-1-haowenchao2@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed as of v6.8-rc1, so it became a dead flag since the commit
16a1d968358a ("mm/slab: remove mm/slab.c and slab_def.h"). And the
series[1] went on to mark it obsolete to avoid confusion for users.
Here we can just remove all its users, which has no functional change.
[1] https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Link: https://lore.kernel.org/r/20240224134822.829456-1-chengming.zhou@linux.dev
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Currently we ignore s_clusters_per_group field in the on-disk superblock
if bigalloc feature is not enabled. However e2fsprogs don't even open
the filesystem if s_clusters_per_group is invalid. This results in an
odd state where kernel happily works with the filesystem while even
e2fsck refuses to touch it. Verify that s_clusters_per_group is valid
even if bigalloc feature is not enabled to make things consistent. Due
to current e2fsprogs behavior it is unlikely there are filesystems out
in the wild (except for intentionally fuzzed ones) with invalid
s_clusters_per_group counts.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20240219171033.22882-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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We observed a corruption during on-line resize of a file system that is
larger than 16 TiB with 4k block size. With having more then 2^32 blocks
resize_inode is turned off by default by mke2fs. The issue can be
reproduced on a smaller file system for convenience by explicitly
turning off resize_inode. An on-line resize across an 8 GiB boundary (the
size of a meta block group in this setup) then leads to a corruption:
dev=/dev/<some_dev> # should be >= 16 GiB
mkdir -p /corruption
/sbin/mke2fs -t ext4 -b 4096 -O ^resize_inode $dev $((2 * 2**21 - 2**15))
mount -t ext4 $dev /corruption
dd if=/dev/zero bs=4096 of=/corruption/test count=$((2*2**21 - 4*2**15))
sha1sum /corruption/test
# 79d2658b39dcfd77274e435b0934028adafaab11 /corruption/test
/sbin/resize2fs $dev $((2*2**21))
# drop page cache to force reload the block from disk
echo 1 > /proc/sys/vm/drop_caches
sha1sum /corruption/test
# 3c2abc63cbf1a94c9e6977e0fbd72cd832c4d5c3 /corruption/test
2^21 = 2^15*2^6 equals 8 GiB whereof 2^15 is the number of blocks per
block group and 2^6 are the number of block groups that make a meta
block group.
The last checksum might be different depending on how the file is laid
out across the physical blocks. The actual corruption occurs at physical
block 63*2^15 = 2064384 which would be the location of the backup of the
meta block group's block descriptor. During the on-line resize the file
system will be converted to meta_bg starting at s_first_meta_bg which is
2 in the example - meaning all block groups after 16 GiB. However, in
ext4_flex_group_add we might add block groups that are not part of the
first meta block group yet. In the reproducer we achieved this by
substracting the size of a whole block group from the point where the
meta block group would start. This must be considered when updating the
backup block group descriptors to follow the non-meta_bg layout. The fix
is to add a test whether the group to add is already part of the meta
block group or not.
Fixes: 01f795f9e0d67 ("ext4: add online resizing support for meta_bg and 64-bit file systems")
Cc: <stable@vger.kernel.org>
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Tested-by: Srivathsa Dara <srivathsa.d.dara@oracle.com>
Reviewed-by: Srivathsa Dara <srivathsa.d.dara@oracle.com>
Link: https://lore.kernel.org/r/20240215155009.94493-1-mheyne@amazon.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When ext4 is mounted without journal, with discard mount option, and on
a device not supporting trim, we print error for each and every freed
extent. This is not only useless but actively harmful. Instead ignore
the EOPNOTSUPP error. Trim is only advisory anyway and when the
filesystem has journal we silently ignore trim error as well.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20240213101601.17463-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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ext4_xattr_block_set() drops ea_inode reference in two places. Handling
it just under the 'cleanup' label is enough so drop the second
occurence.
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240209112107.10585-3-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When allocating EA inode, quota accounting is done just before
ext4_xattr_inode_lookup_create(). Logically these two operations belong
together so just fold quota accounting into
ext4_xattr_inode_lookup_create(). We also make
ext4_xattr_inode_lookup_create() return the looked up / created inode to
convert the function to a more standard calling convention.
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240209112107.10585-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When yangerkun review commit 93cdf49f6eca ("ext4: Fix best extent lstart
adjustment logic in ext4_mb_new_inode_pa()"), it was found that the best
extent did not completely cover the original request after adjusting the
best extent lstart in ext4_mb_new_inode_pa() as follows:
original request: 2/10(8)
normalized request: 0/64(64)
best extent: 0/9(9)
When we check if best ex can be kept at start of goal, ac_o_ex.fe_logical
is 2 less than the adjusted best extent logical end 9, so we think the
adjustment is done. But obviously 0/9(9) doesn't cover 2/10(8), so we
should determine here if the original request logical end is less than or
equal to the adjusted best extent logical end.
In addition, add a comment stating when adjusted best_ex will not cover
the original request, and remove the duplicate assertion because adjusting
lstart makes no change to b_ex.fe_len.
Link: https://lore.kernel.org/r/3630fa7f-b432-7afd-5f79-781bc3b2c5ea@huawei.com
Fixes: 93cdf49f6eca ("ext4: Fix best extent lstart adjustment logic in ext4_mb_new_inode_pa()")
Cc: <stable@kernel.org>
Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Link: https://lore.kernel.org/r/20240201141845.1879253-1-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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There's issue as follows When do IO fault injection test:
Quota error (device dm-3): find_block_dqentry: Quota for id 101 referenced but not present
Quota error (device dm-3): qtree_read_dquot: Can't read quota structure for id 101
Quota error (device dm-3): do_check_range: Getting block 2021161007 out of range 1-186
Quota error (device dm-3): qtree_read_dquot: Can't read quota structure for id 661
Now, ext4_write_dquot()/ext4_acquire_dquot()/ext4_release_dquot() may commit
inconsistent quota data even if process failed. This may lead to filesystem
corruption.
To ensure filesystem consistent when errors=remount-ro there is need to call
ext4_handle_error() to abort journal.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240119062908.3598806-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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If one group is marked as block bitmap corrupted, its free blocks cannot
be used and its free count is also deducted from the global
sbi->s_freeclusters_counter. User might be confused about the absent
free space because we can't query the information about corrupted block
groups except unreliable error messages in syslog. So add a hint to show
block bitmap corrupted groups in mb_groups.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240119061154.1525781-1-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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this comment of ext4_map_blocks()/ext4_ext_map_blocks() need
update after commit c21770573319("ext4: Define a new set of
flags for ext4_get_blocks()").
Signed-off-by: Cheng Nie <niecheng1@uniontech.com>
Link: https://lore.kernel.org/r/20240118062511.28276-1-niecheng1@uniontech.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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While cat mb_groups for a mounted ext4 image which has some corrupted
group, the string return to userspace was just "I/O error" which confuse
me a lot. Improve it with ext4_decode_error.
Signed-off-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240118042557.380058-2-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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We can just first call ext4_mb_unload_buddy, then copy information from
ext4_group_info. So remove this unused value.
Signed-off-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240118042557.380058-1-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add unit test for ext4_mb_mark_diskspace_used
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240103104900.464789-6-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add unit test for mb_free_blocks.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240103104900.464789-5-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add unit test for mb_mark_used
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240103104900.464789-4-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add unit test of ext4_mb_generate_buddy
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240103104900.464789-3-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add unit test for test_free_blocks_simple.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240103104900.464789-2-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Miscellaneous bug fixes and cleanups in ext4's multi-block allocator
and extent handling code"
* tag 'for-linus-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (23 commits)
ext4: make ext4_set_iomap() recognize IOMAP_DELALLOC map type
ext4: make ext4_map_blocks() distinguish delalloc only extent
ext4: add a hole extent entry in cache after punch
ext4: correct the hole length returned by ext4_map_blocks()
ext4: convert to exclusive lock while inserting delalloc extents
ext4: refactor ext4_da_map_blocks()
ext4: remove 'needed' in trace_ext4_discard_preallocations
ext4: remove unnecessary parameter "needed" in ext4_discard_preallocations
ext4: remove unused return value of ext4_mb_release_group_pa
ext4: remove unused return value of ext4_mb_release_inode_pa
ext4: remove unused return value of ext4_mb_release
ext4: remove unused ext4_allocation_context::ac_groups_considered
ext4: remove unneeded return value of ext4_mb_release_context
ext4: remove unused parameter ngroup in ext4_mb_choose_next_group_*()
ext4: remove unused return value of __mb_check_buddy
ext4: mark the group block bitmap as corrupted before reporting an error
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()
ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
ext4: avoid bb_free and bb_fragments inconsistency in mb_free_blocks()
...
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Pull smb client fixes from Steve French:
"Five smb3 client fixes, mostly multichannel related:
- four multichannel fixes including fix for channel allocation when
multiple inactive channels, fix for unneeded race in channel
deallocation, correct redundant channel scaling, and redundant
multichannel disabling scenarios
- add warning if max compound requests reached"
* tag 'v6.8-rc3-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: increase number of PDUs allowed in a compound request
cifs: failure to add channel on iface should bump up weight
cifs: do not search for channel if server is terminating
cifs: avoid redundant calls to disable multichannel
cifs: make sure that channel scaling is done only once
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Pull xfs fixes from Chandan Babu:
- Clear XFS_ATTR_INCOMPLETE filter on removing xattr from a node format
attribute fork
- Remove conditional compilation of realtime geometry validator
functions to prevent confusing error messages from being printed on
the console during the mount operation
* tag 'xfs-6.8-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove conditional building of rt geometry validator functions
xfs: reset XFS_ATTR_INCOMPLETE filter on node removal
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are three tiny driver fixes for 6.8-rc3. They include:
- Android binder long-term bug with epoll finally being fixed
- fastrpc driver shutdown bugfix
- open-dice lockdep fix
All of these have been in linux-next this week with no reported
issues"
* tag 'char-misc-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: signal epoll threads of self-work
misc: open-dice: Fix spurious lockdep warning
misc: fastrpc: Mark all sessions as invalid in cb_remove
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 6.8-rc3 that
resolve a number of reported issues. Included in here are:
- rs485 flag definition fix that affected the user/kernel abi in -rc1
- max310x driver fixes
- 8250_pci1xxxx driver off-by-one fix
- uart_tiocmget locking race fix
All of these have been in linux-next for over a week with no reported
issues"
* tag 'tty-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: max310x: prevent infinite while() loop in port startup
serial: max310x: fail probe if clock crystal is unstable
serial: max310x: improve crystal stable clock detection
serial: max310x: set default value when reading clock ready bit
serial: core: Fix atomicity violation in uart_tiocmget
serial: 8250_pci1xxxx: fix off by one in pci1xxxx_process_read_data()
tty: serial: Fix bit order in RS485 flag definitions
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are a bunch of small USB driver fixes for 6.8-rc3. Included in
here are:
- new usb-serial driver ids
- new dwc3 driver id added
- typec driver change revert
- ncm gadget driver endian bugfix
- xhci bugfixes for a number of reported issues
- usb hub bugfix for alternate settings
- ulpi driver debugfs memory leak fix
- chipidea driver bugfix
- usb gadget driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (24 commits)
USB: serial: option: add Fibocom FM101-GL variant
USB: serial: qcserial: add new usb-id for Dell Wireless DW5826e
USB: serial: cp210x: add ID for IMST iM871A-USB
usb: typec: tcpm: fix the PD disabled case
usb: ucsi_acpi: Quirk to ack a connector change ack cmd
usb: ucsi_acpi: Fix command completion handling
usb: ucsi: Add missing ppm_lock
usb: ulpi: Fix debugfs directory leak
Revert "usb: typec: tcpm: fix cc role at port reset"
usb: gadget: pch_udc: fix an Excess kernel-doc warning
usb: f_mass_storage: forbid async queue when shutdown happen
USB: hub: check for alternate port before enabling A_ALT_HNP_SUPPORT
usb: chipidea: core: handle power lost in workqueue
usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend
usb: dwc3: pci: add support for the Intel Arrow Lake-H
usb: core: Prevent null pointer dereference in update_port_device_state
xhci: handle isoc Babble and Buffer Overrun events properly
xhci: process isoc TD properly when there was a transaction error mid TD.
xhci: fix off by one check when adding a secondary interrupter.
xhci: fix possible null pointer dereference at secondary interrupter removal
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixlet from Wolfram Sang:
"MAINTAINERS update to point people to the new tree for i2c host driver
changes"
* tag 'i2c-for-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Update i2c host drivers repository
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"Core:
- fix return value of is_slave_direction() for D2D dma
Driver fixes for:
- Documentaion fixes to resolve warnings for at_hdmac driver
- bunch of fsl driver fixes for memory leaks, and useless kfree
- TI edma and k3 fixes for packet error and null pointer checks"
* tag 'dmaengine-fix-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: at_hdmac: add missing kernel-doc style description
dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV
dmaengine: fsl-qdma: Remove a useless devm_kfree()
dmaengine: fsl-qdma: Fix a memory leak related to the queue command DMA
dmaengine: fsl-qdma: Fix a memory leak related to the status queue DMA
dmaengine: ti: k3-udma: Report short packet errors
dmaengine: ti: edma: Add some null pointer checks to the edma_probe
dmaengine: fsl-dpaa2-qdma: Fix the size of dma pools
dmaengine: at_hdmac: fix some kernel-doc warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy driver fixes from Vinod Koul:
- TI null pointer dereference
- missing erdes mux entry in lan966x driver
- Return of error code in renesas driver
- Serdes init sequence and register offsets for IPQ drivers
* tag 'phy-fixes-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP
phy: lan966x: Add missing serdes mux entry
phy: renesas: rcar-gen3-usb2: Fix returning wrong error code
phy: qcom-qmp-usb: fix serdes init sequence for IPQ6018
phy: qcom-qmp-usb: fix register offsets for ipq8074/ipq6018
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
Just a maintenance patch that updates the repository where the
i2c host and muxes related patches will be collected.
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
"Vendor events:
- Intel Alderlake/Sapphire Rapids metric fixes, the CPU type
("cpu_atom", "cpu_core") needs to be used as a prefix to be
considered on a metric formula, detected via one of the 'perf test'
entries.
'perf test' fixes:
- Fix the creation of event selector lists on 'perf test' entries, by
initializing the sample ID flag, which is done by 'perf record', so
this fix affects only the tests, the common case isn't affected
- Make 'perf list' respect debug settings (-v) to fix its 'perf test'
entry
- Fix 'perf script' test when python support isn't enabled
- Special case 'perf script' tests on s390, where only DWARF call
graphs are supported and only on software events
- Make 'perf daemon' signal test less racy
Compiler warnings/errors:
- Remove needless malloc(0) call in 'perf top' that triggers
-Walloc-size
- Fix calloc() argument order to address error introduced in gcc-14
Build:
- Make minimal shellcheck version to v0.6.0, avoiding the build to
fail with older versions
Sync kernel header copies:
- stat.h to pick STATX_MNT_ID_UNIQUE
- msr-index.h to pick IA32_MKTME_KEYID_PARTITIONING
- drm.h to pick DRM_IOCTL_MODE_CLOSEFB
- unistd.h to pick {list,stat}mount,
lsm_{[gs]et_self_attr,list_modules} syscall numbers
- x86 cpufeatures to pick TDX, Zen, APIC MSR fence changes
- x86's mem{cpy,set}_64.S used in 'perf bench'
- Also, without tooling effects: asm-generic/unaligned.h, mount.h,
fcntl.h, kvm headers"
* tag 'perf-tools-fixes-for-v6.8-1-2024-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (21 commits)
perf tools headers: update the asm-generic/unaligned.h copy with the kernel sources
tools include UAPI: Sync linux/mount.h copy with the kernel sources
perf evlist: Fix evlist__new_default() for > 1 core PMU
tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'
tools headers x86 cpufeatures: Sync with the kernel sources to pick TDX, Zen, APIC MSR fence changes
tools headers UAPI: Sync unistd.h to pick {list,stat}mount, lsm_{[gs]et_self_attr,list_modules} syscall numbers
perf vendor events intel: Alderlake/sapphirerapids metric fixes
tools headers UAPI: Sync kvm headers with the kernel sources
perf tools: Fix calloc() arguments to address error introduced in gcc-14
perf top: Remove needless malloc(0) call that triggers -Walloc-size
perf build: Make minimal shellcheck version to v0.6.0
tools headers UAPI: Update tools's copy of drm.h headers to pick DRM_IOCTL_MODE_CLOSEFB
perf test shell daemon: Make signal test less racy
perf test shell script: Fix test for python being disabled
perf test: Workaround debug output in list test
perf list: Add output file option
perf list: Switch error message to pr_err() to respect debug settings (-v)
perf test: Fix 'perf script' tests on s390
tools headers UAPI: Sync linux/fcntl.h with the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources to pick IA32_MKTME_KEYID_PARTITIONING
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing and eventfs fixes from Steven Rostedt:
- Fix the return code for ring_buffer_poll_wait()
It was returing a -EINVAL instead of EPOLLERR.
- Zero out the tracefs_inode so that all fields are initialized.
The ti->private could have had stale data, but instead of just
initializing it to NULL, clear out the entire structure when it is
allocated.
- Fix a crash in timerlat
The hrtimer was initialized at read and not open, but is canceled at
close. If the file was opened and never read the close will pass a
NULL pointer to hrtime_cancel().
- Rewrite of eventfs.
Linus wrote a patch series to remove the dentry references in the
eventfs_inode and to use ref counting and more of proper VFS
interfaces to make it work.
- Add warning to put_ei() if ei is not set to free. That means
something is about to free it when it shouldn't.
- Restructure the eventfs_inode to make it more compact, and remove the
unused llist field.
- Remove the fsnotify*() funtions for when the inodes were being
created in the lookup code. It doesn't make sense to notify about
creation just because something is being looked up.
- The inode hard link count was not accurate.
It was being updated when a file was looked up. The inodes of
directories were updating their parent inode hard link count every
time the inode was created. That means if memory reclaim cleaned a
stale directory inode and the inode was lookup up again, it would
increment the parent inode again as well. Al Viro said to just have
all eventfs directories have a hard link count of 1. That tells user
space not to trust it.
* tag 'trace-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
eventfs: Keep all directory links at 1
eventfs: Remove fsnotify*() functions from lookup()
eventfs: Restructure eventfs_inode structure to be more condensed
eventfs: Warn if an eventfs_inode is freed without is_freed being set
tracing/timerlat: Move hrtimer_init to timerlat_fd open()
eventfs: Get rid of dentry pointers without refcounts
eventfs: Clean up dentry ops and add revalidate function
eventfs: Remove unused d_parent pointer field
tracefs: dentry lookup crapectomy
tracefs: Avoid using the ei->dentry pointer unnecessarily
eventfs: Initialize the tracefs inode properly
tracefs: Zero out the tracefs_inode when allocating it
ring-buffer: Clean ring_buffer_poll_wait() error return
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 revert from Andreas Gruenbacher:
"It turns out that the commit to use GL_NOBLOCK flag for non-blocking
lookups has several issues, and not all of them have a simple fix"
* tag 'gfs2-v6.8-rc2-revert' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
Revert "gfs2: Use GL_NOBLOCK flag for non-blocking lookups"
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Fix a potential deadlock that was reintroduced by an ASPM revert
merged for v6.8 (Johan Hovold)
- Add Manivannan Sadhasivam as PCI Endpoint maintainer (Lorenzo
Pieralisi)
* tag 'pci-v6.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
MAINTAINERS: Add Manivannan Sadhasivam as PCI Endpoint maintainer
PCI/ASPM: Fix deadlock when enabling ASPM
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Pul drm fixes from Dave Airlie:
"Regular weekly fixes, mostly amdgpu and xe. One nouveau fix is a
better fix for the deadlock and also helps with a sync race we were
seeing.
dma-buf:
- heaps CMA page accounting fix
virtio-gpu:
- fix segment size
xe:
- A crash fix
- A fix for an assert due to missing mem_acces ref
- Only allow a single user-fence per exec / bind.
- Some sparse warning fixes
- Two fixes for compilation failures on various odd combinations of
gcc / arch pointed out on LKML.
- Fix a fragile partial allocation pointed out on LKML.
- A sysfs ABI documentation warning fix
amdgpu:
- Fix reboot issue seen on some 7000 series dGPUs
- Fix client init order for KFD
- Misc display fixes
- USB-C fix
- DCN 3.5 fixes
- Fix issues with GPU scheduler and GPU reset
- GPU firmware loading fix
- Misc fixes
- GC 11.5 fix
- VCN 4.0.5 fix
- IH overflow fix
amdkfd:
- SVM fixes
- Trap handler fix
- Fix device permission lookup
- Properly reserve BO before validating it
nouveau:
- fence/irq lock deadlock fix (second attempt)
- gsp command size fix
* tag 'drm-fixes-2024-02-03' of git://anongit.freedesktop.org/drm/drm: (35 commits)
nouveau: offload fence uevents work to workqueue
nouveau/gsp: use correct size for registry rpc.
drm/amdgpu/pm: Use inline function for IP version check
drm/hwmon: Fix abi doc warnings
drm/xe: Make all GuC ABI shift values unsigned
drm/xe/vm: Subclass userptr vmas
drm/xe: Use LRC prefix rather than CTX prefix in lrc desc defines
drm/xe: Don't use __user error pointers
drm/xe: Annotate mcr_[un]lock()
drm/xe: Only allow 1 ufence per exec / bind IOCTL
drm/xe: Grab mem_access when disabling C6 on skip_guc_pc platforms
drm/xe: Fix crash in trace_dma_fence_init()
drm/amdgpu: Reset IH OVERFLOW_CLEAR bit
drm/amdgpu: remove asymmetrical irq disabling in vcn 4.0.5 suspend
drm/amdgpu: drm/amdgpu: remove golden setting for gfx 11.5.0
drm/amdkfd: reserve the BO before validating it
drm/amdgpu: Fix missing error code in 'gmc_v6/7/8/9_0_hw_init()'
drm/amd/display: Fix buffer overflow in 'get_host_router_total_dp_tunnel_bw()'
drm/amd/display: Add NULL check for kzalloc in 'amdgpu_dm_atomic_commit_tail()'
drm/amd: Don't init MEC2 firmware when it fails to load
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a fix for the fix to deal with newer laptops which get confused by
the "GET ID" command when probing for PS/2 keyboards
- a couple of tweaks to i8042 to handle Clevo NS70PU and Lifebook U728
laptops
- a change to bcm5974 to validate that the device has appropriate
endpoints
- an addition of new product ID to xpad driver to recognize Lenovo
Legion Go controllers
- a quirk to Goodix controller to deal with extra GPIO described in
ACPI tables on some devices.
* tag 'input-for-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add Fujitsu Lifebook U728 to i8042 quirk table
Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU
Input: atkbd - do not skip atkbd_deactivate() when skipping ATKBD_CMD_GETID
Input: atkbd - skip ATKBD_CMD_SETLEDS when skipping ATKBD_CMD_GETID
Input: bcm5974 - check endpoint type before starting traffic
Input: xpad - add Lenovo Legion Go controllers
Input: goodix - accept ACPI resources with gpio_count == 3 && gpio_int_idx == 0
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of fixes, mostly device-specific ones:
- Minor PCM core fix for name strings
- ASoC Qualcomm fixes, including DAI support extensions
- ASoC AMD platform updates
- ASoC Allwinner platform updates
- Various ASoC codec fixes for WSA, WCD, ES8326 drivers
- Various HD-audio and USB-audio fixes and quirks
- A series of fixes for Cirrus CS35L56 codecs"
* tag 'sound-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (63 commits)
ALSA: usb-audio: Ignore clock selector errors for single connection
ALSA: hda/realtek: Enable headset mic on Vaio VJFE-ADL
ALSA: hda: cs35l56: Remove unused test stub function
ALSA: hda: cs35l56: Firmware file must match the version of preloaded firmware
ALSA: hda: cs35l56: Fix filename string field layout
ALSA: hda: cs35l56: Fix order of searching for firmware files
ASoC: cs35l56: Allow more time for firmware to boot
ASoC: cs35l56: Load tunings for the correct speaker models
ASoC: cs35l56: Firmware file must match the version of preloaded firmware
ASoC: cs35l56: Fix misuse of wm_adsp 'part' string for silicon revision
ASoC: cs35l56: Fix for initializing ASP1 mixer registers
ALSA: hda: cs35l56: Initialize all ASP1 registers
ASoC: cs35l56: Fix default SDW TX mixer registers
ASoC: cs35l56: Fix to ensure ASP1 registers match cache
ASoC: cs35l56: Remove buggy checks from cs35l56_is_fw_reload_needed()
ASoC: cs35l56: Don't add the same register patch multiple times
ASoC: cs35l56: cs35l56_component_remove() must clean up wm_adsp
ASoC: cs35l56: cs35l56_component_remove() must clear cs35l56->component
ASoC: wm_adsp: Don't overwrite fwf_name with the default
ASoC: wm_adsp: Fix firmware file search order
...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- pmbus/mp2975: Fix driver initialization
- gigabyte_waterforce: Add missing unlock in error handling path
* tag 'hwmon-for-v6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus/mp2975) Correct comment inside 'mp2975_read_byte_data'
hwmon: (pmbus/mp2975) Fix driver initialization for MP2975 device
hwmon: gigabyte_waterforce: Fix locking bug in waterforce_get_status()
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fix from Sebastian Reichel:
- qcom_battmgr: revert broken fix
* tag 'for-v6.8-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
Revert "power: supply: qcom_battmgr: Register the power supplies after PDR is up"
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pul iommu fixes from Joerg Roedel:
- Make iommu_ops->default_domain work without CONFIG_IOMMU_DMA to fix
initialization of FSL-PAMU devices
- Fix for Tegra fbdev initialization failure
- Fix for a VFIO device unbinding failure on PowerPC
* tag 'iommu-fixes-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
powerpc: iommu: Bring back table group release_ownership() call
drm/tegra: Do not assume that a NULL domain means no DMA IOMMU
iommu: Allow ops->default_domain to work when !CONFIG_IOMMU_DMA
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM ioctl interface to avoid INT_MAX overflow warnings from
kvmalloc by limiting the number of targets and parameter size area.
- Fix DM stats to avoid INT_MAX overflow warnings from kvmalloc by
limiting the number of entries supported.
- Fix DM writecache to support mapping devices larger than 1 TiB by
switching from using kvmalloc_array to vmalloc_array -- which avoids
INT_MAX overflow in kvmalloc_node and associated warnings.
- Remove the (ab)use of tasklets from both the DM crypt and verity
targets. They will be converted to use BH workqueue in future.
* tag 'for-6.8/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-crypt, dm-verity: disable tasklets
dm writecache: allow allocations larger than 2GiB
dm stats: limit the number of entries
dm: limit the number of targets and parameter size area
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
- Following up on last week's ASMedia ASM1061 43-bit dma_mask quirk, we
sent an email to ASMedia developers that have previously been active
on the mailing list, asking exactly which SATA controllers that are
affected by this hardware limitation.
We got a reply that it affects all the SATA controllers in the
ASM106x family, thus extend the existing 43-bit dma_mask quirk to
apply to all the affected ASMedia SATA controllers.
* tag 'ata-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ahci: Extend ASM1061 43-bit DMA address quirk to other ASM106x parts
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Another Fujitsu-related patch.
In the initial boot stage the integrated keyboard of Fujitsu Lifebook U728
refuses to work and it's not possible to type for example a dm-crypt
passphrase without the help of an external keyboard.
i8042.nomux kernel parameter resolves this issue but using that a PS/2
mouse is detected. This input device is unused even when the i2c-hid-acpi
kernel module is blacklisted making the integrated ELAN touchpad
(04F3:3092) not working at all.
So this notebook uses a hid-over-i2c touchpad which is managed by the
i2c_designware input driver. Since you can't find a PS/2 mouse port on this
computer and you can't connect a PS/2 mouse to it even with an official
port replicator I think it's safe to not use the PS/2 mouse port at all.
Signed-off-by: Szilard Fabian <szfabian@bluemarch.art>
Link: https://lore.kernel.org/r/20240103014717.127307-2-szfabian@bluemarch.art
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Remove duplicated enums (Guixen)
- Use appropriate controller state accessors (Keith)
- Retryable authentication (Hannes)
- Add missing module descriptions (Chaitanya)
- Fibre-channel fixes for blktests (Daniel)
- Various type correctness updates (Caleb)
- Improve fabrics connection debugging prints (Nitin)
- Passthrough command verbose error logging (Adam)
- Fix for where we set IO priority in the bio for drivers that use
fops->submit_bio() to queue IO, like md/dm etc.
* tag 'block-6.8-2024-02-01' of git://git.kernel.dk/linux: (32 commits)
block: Fix where bio IO priority gets set
nvme: allow passthru cmd error logging
nvme-fc: show hostnqn when connecting to fc target
nvme-rdma: show hostnqn when connecting to rdma target
nvme-tcp: show hostnqn when connecting to tcp target
nvmet-fc: use RCU list iterator for assoc_list
nvmet-fc: take ref count on tgtport before delete assoc
nvmet-fc: avoid deadlock on delete association path
nvmet-fc: abort command when there is no binding
nvmet-fc: do not tack refs on tgtports from assoc
nvmet-fc: remove null hostport pointer check
nvmet-fc: hold reference on hostport match
nvmet-fc: free queue and assoc directly
nvmet-fc: defer cleanup using RCU properly
nvmet-fc: release reference on target port
nvmet-fcloop: swap the list_add_tail arguments
nvme-fc: do not wait in vain when unloading module
nvme-fc: log human-readable opcode on timeout
nvme: split out fabrics version of nvme_opcode_str()
nvme: take const cmd pointer in read-only helpers
...
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Pull io_uring fixes from Jens Axboe:
- Fix for missing retry for read multishot.
If we trigger the execution of it and there's more than one buffer to
be read, then we don't always read more than the first one. As it's
edge triggered, this can lead to stalls.
- Limit inline receive multishot retries for fairness reasons.
If we have a very bursty socket receiving data, we still need to
ensure we process other requests as well. This is really two minor
cleanups, then adding a way for poll reissue to trigger a requeue,
and then finally having multishot receive utilize that.
- Fix for a weird corner case for non-multishot receive with
MSG_WAITALL, using provided buffers, and setting the length to
zero (to let the buffer dictate the receive size).
* tag 'io_uring-6.8-2024-02-01' of git://git.kernel.dk/linux:
io_uring/net: fix sr->len for IORING_OP_RECV with MSG_WAITALL and buffers
io_uring/net: limit inline multishot retries
io_uring/poll: add requeue return code from poll multishot handling
io_uring/net: un-indent mshot retry path in io_recv_finish()
io_uring/poll: move poll execution helpers higher up
io_uring/rw: ensure poll based multishot read retries appropriately
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Two small fixes.
The first one is an alternative fix for the SCS patching problem we
thought we'd fixed in -rc1; it turned out not to be robust with all
toolchains/configs, so this is a revert+retry which has seen some more
testing.
The other one simply removes an unused header file, but I couldn't
resist the negative diffstat.
- Really fix shadow call stack patching with LTO=full
- Remove unused (empty) header file generated from the compat vDSO"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: vdso32: Remove unused vdso32-offsets.h
arm64: scs: Disable LTO for SCS patching code
arm64: Revert "scs: Work around full LTO issue with dynamic SCS"
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When closing the laptop lid with an external screen connected, the mouse
pointer has a constant movement to the lower right corner. Opening the
lid again stops this movement, but after that the touchpad does no longer
register clicks.
The touchpad is connected both via i2c-hid and PS/2, the predecessor of
this device (NS70MU) has the same layout in this regard and also strange
behaviour caused by the psmouse and the i2c-hid driver fighting over
touchpad control. This fix is reusing the same workaround by just
disabling the PS/2 aux port, that is only used by the touchpad, to give the
i2c-hid driver the lone control over the touchpad.
v2: Rebased on current master
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231205163602.16106-1-wse@tuxedocomputers.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Tasklets have an inherent problem with memory corruption. The function
tasklet_action_common calls tasklet_trylock, then it calls the tasklet
callback and then it calls tasklet_unlock. If the tasklet callback frees
the structure that contains the tasklet or if it calls some code that may
free it, tasklet_unlock will write into free memory.
The commits 8e14f610159d and d9a02e016aaf try to fix it for dm-crypt, but
it is not a sufficient fix and the data corruption can still happen [1].
There is no fix for dm-verity and dm-verity will write into free memory
with every tasklet-processed bio.
There will be atomic workqueues implemented in the kernel 6.9 [2]. They
will have better interface and they will not suffer from the memory
corruption problem.
But we need something that stops the memory corruption now and that can be
backported to the stable kernels. So, I'm proposing this commit that
disables tasklets in both dm-crypt and dm-verity. This commit doesn't
remove the tasklet support, because the tasklet code will be reused when
atomic workqueues will be implemented.
[1] https://lore.kernel.org/all/d390d7ee-f142-44d3-822a-87949e14608b@suse.de/T/
[2] https://lore.kernel.org/lkml/20240130091300.2968534-1-tj@kernel.org/
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 39d42fa96ba1b ("dm crypt: add flags to optionally bypass kcryptd workqueues")
Fixes: 5721d4e5a9cdb ("dm verity: Add optional "try_verify_in_tasklet" feature")
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial device ids for 6.8-rc3
Here are some new device ids for 6.8-rc3.
All have been in linux-next with no reported issues.
* tag 'usb-serial-6.8-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add Fibocom FM101-GL variant
USB: serial: qcserial: add new usb-id for Dell Wireless DW5826e
USB: serial: cp210x: add ID for IMST iM871A-USB
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Commit "gfs2: Use GL_NOBLOCK flag for non-blocking lookups" has several
issues, some of which are non-trivial to fix, so revert it for now:
https://lore.kernel.org/gfs2/20240202050230.GA875515@ZenIV/T/
This reverts commit dd00aaeb343255a8a30de671bd27bde79a47c8e5.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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