Merge tag 'v6.6.80' into for/openbmc/dev-6.6

This is the 6.6.80 stable release

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Merge tag 'v6.6.80' into for/openbmc/dev-6.6

This is the 6.6.80 stable release

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show more ...

md/md-bitmap: add 'sync_size' into struct md_bitmap_stats

[ Upstream commit ec6bb299c7c3dd4ca1724d13d5f5fae3ee54fc65 ]

To avoid dereferencing bitmap directly in md-cluster to prepare
inventing a ne

md/md-bitmap: add 'sync_size' into struct md_bitmap_stats

[ Upstream commit ec6bb299c7c3dd4ca1724d13d5f5fae3ee54fc65 ]

To avoid dereferencing bitmap directly in md-cluster to prepare
inventing a new bitmap.

BTW, also fix following checkpatch warnings:

WARNING: Deprecated use of 'kmap_atomic', prefer 'kmap_local_page' instead
WARNING: Deprecated use of 'kunmap_atomic', prefer 'kunmap_local' instead

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-7-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
Stable-dep-of: 8d28d0ddb986 ("md/md-bitmap: Synchronize bitmap_get_stats() with bitmap lifetime")
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...

md/md-bitmap: replace md_bitmap_status() with a new helper md_bitmap_get_stats()

[ Upstream commit 38f287d7e495ae00d4481702f44ff7ca79f5c9bc ]

There are no functional changes, and the new helper wil

md/md-bitmap: replace md_bitmap_status() with a new helper md_bitmap_get_stats()

[ Upstream commit 38f287d7e495ae00d4481702f44ff7ca79f5c9bc ]

There are no functional changes, and the new helper will be used in
multiple places in following patches to avoid dereferencing bitmap
directly.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-3-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
Stable-dep-of: 8d28d0ddb986 ("md/md-bitmap: Synchronize bitmap_get_stats() with bitmap lifetime")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Merge tag 'v6.6.79' into for/openbmc/dev-6.6

This is the 6.6.79 stable release

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Merge tag 'v6.6.79' into for/openbmc/dev-6.6

This is the 6.6.79 stable release

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md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()

commit 4f0e7d0e03b7b80af84759a9e7cfb0f81ac4adae upstream.

For the case that IO failed for one rdev, the bit will be mark as NEEDED

md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()

commit 4f0e7d0e03b7b80af84759a9e7cfb0f81ac4adae upstream.

For the case that IO failed for one rdev, the bit will be mark as NEEDED
in following cases:

1) If badblocks is set and rdev is not faulty;
2) If rdev is faulty;

Case 1) is useless because synchronize data to badblocks make no sense.
Case 2) can be replaced with mddev->degraded.

Also remove R1BIO_Degraded, R10BIO_Degraded and STRIPE_DEGRADED since
case 2) no longer use them.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20250109015145.158868-3-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
[ Resolve minor conflicts ]
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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md/md-bitmap: factor behind write counters out from bitmap_{start/end}write()

commit 08c50142a128dcb2d7060aa3b4c5db8837f7a46a upstream.

behind_write is only used in raid1, prepare to refactor
bitma

md/md-bitmap: factor behind write counters out from bitmap_{start/end}write()

commit 08c50142a128dcb2d7060aa3b4c5db8837f7a46a upstream.

behind_write is only used in raid1, prepare to refactor
bitmap_{start/end}write(), there are no functional changes.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Link: https://lore.kernel.org/r/20250109015145.158868-2-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
[There is no bitmap_operations, resolve conflicts by exporting new api
md_bitmap_{start,end}_behind_write]
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Merge drm/drm-fixes into drm-misc-fixes

Forwarding to v6.6-rc1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Merge tag 'md-next-20230814-resend' into loongarch-next

LoongArch architecture changes for 6.5 (raid5/6 optimization) depend on
the md changes to fix build and work, so merge them to create a base.

Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:
"Pretty quiet round for this release. This contains:

- Add support for zoned storage to ubl

Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:
"Pretty quiet round for this release. This contains:

- Add support for zoned storage to ublk (Andreas, Ming)

- Series improving performance for drivers that mark themselves as
needing a blocking context for issue (Bart)

- Cleanup the flush logic (Chengming)

- sed opal keyring support (Greg)

- Fixes and improvements to the integrity support (Jinyoung)

- Add some exports for bcachefs that we can hopefully delete again in
the future (Kent)

- deadline throttling fix (Zhiguo)

- Series allowing building the kernel without buffer_head support
(Christoph)

- Sanitize the bio page adding flow (Christoph)

- Write back cache fixes (Christoph)

- MD updates via Song:
- Fix perf regression for raid0 large sequential writes (Jan)
- Fix split bio iostat for raid0 (David)
- Various raid1 fixes (Heinz, Xueshi)
- raid6test build fixes (WANG)
- Deprecate bitmap file support (Christoph)
- Fix deadlock with md sync thread (Yu)
- Refactor md io accounting (Yu)
- Various non-urgent fixes (Li, Yu, Jack)

- Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li,
Ming, Nitesh, Ruan, Tejun, Thomas, Xu)"

* tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits)
block: use strscpy() to instead of strncpy()
block: sed-opal: keyring support for SED keys
block: sed-opal: Implement IOC_OPAL_REVERT_LSP
block: sed-opal: Implement IOC_OPAL_DISCOVERY
blk-mq: prealloc tags when increase tagset nr_hw_queues
blk-mq: delete redundant tagset map update when fallback
blk-mq: fix tags leak when shrink nr_hw_queues
ublk: zoned: support REQ_OP_ZONE_RESET_ALL
md: raid0: account for split bio in iostat accounting
md/raid0: Fix performance regression for large sequential writes
md/raid0: Factor out helper for mapping and submitting a bio
md raid1: allow writebehind to work on any leg device set WriteMostly
md/raid1: hold the barrier until handle_read_error() finishes
md/raid1: free the r1bio before waiting for blocked rdev
md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io()
blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init
drivers/rnbd: restore sysfs interface to rnbd-client
md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
raid6: test: only check for Altivec if building on powerpc hosts
raid6: test: make sure all intermediate and artifact files are .gitignored
...

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Merge drm/drm-next into drm-intel-next

Catching-up with drm-next and drm-intel-gt-next.
It will unblock a code refactor around the platform
definitions (names vs acronyms).

Signed-off-by: Rodrigo V

Merge drm/drm-next into drm-intel-next

Catching-up with drm-next and drm-intel-gt-next.
It will unblock a code refactor around the platform
definitions (names vs acronyms).

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

show more ...

Merge drm/drm-next into drm-intel-gt-next

Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as
a dependency for https://patchwork.freedesktop.org/series/1

Merge drm/drm-next into drm-intel-gt-next

Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as
a dependency for https://patchwork.freedesktop.org/series/121735/

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

show more ...

Merge tag 'md-next-20230729' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.6/block

Pull MD updates from Song:

"1. Deprecate bitmap file support, by Christoph Hellwig;
2. Fi

Merge tag 'md-next-20230729' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.6/block

Pull MD updates from Song:

"1. Deprecate bitmap file support, by Christoph Hellwig;
2. Fix deadlock with md sync thread, by Yu Kuai;
3. Refactor md io accounting, by Yu Kuai;
4. Various non-urgent fixes by Li Nan, Yu Kuai, and Jack Wang."

* tag 'md-next-20230729' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: (36 commits)
md/md-bitmap: hold 'reconfig_mutex' in backlog_store()
md/md-bitmap: remove unnecessary local variable in backlog_store()
md/raid10: use dereference_rdev_and_rrdev() to get devices
md/raid10: factor out dereference_rdev_and_rrdev()
md/raid10: check replacement and rdev to prevent submit the same io twice
md/raid1: Avoid lock contention from wake_up()
md: restore 'noio_flag' for the last mddev_resume()
md: don't quiesce in mddev_suspend()
md: remove redundant check in fix_read_error()
md/raid10: optimize fix_read_error
md/raid1: prioritize adding disk to 'removed' mirror
md/md-faulty: enable io accounting
md/md-linear: enable io accounting
md/md-multipath: enable io accounting
md/raid10: switch to use md_account_bio() for io accounting
md/raid1: switch to use md_account_bio() for io accounting
raid5: fix missing io accounting in raid5_align_endio()
md: also clone new io if io accounting is disabled
md: move initialization and destruction of 'io_acct_set' to md.c
md: deprecate bitmap file support
...

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md-bitmap: don't use ->index for pages backing the bitmap file

The md driver allocates pages for storing the bitmap file data, which
are not page cache pages, and then stores the page granularity fi

md-bitmap: don't use ->index for pages backing the bitmap file

The md driver allocates pages for storing the bitmap file data, which
are not page cache pages, and then stores the page granularity file
offset in page->index, which is a field that isn't really valid except
for page cache pages.

Use a separate index for the superblock, and use the scheme used at
read size to recalculate the index for the bitmap pages instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230615064840.629492-10-hch@lst.de

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Merge drm/drm-next into drm-misc-next

Backmerging to get v6.5-rc2.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

ASoC: Merge v6.5-rc2

Get a similar baseline to my other branches, and fixes for people using
the branch.

Merge v6.5-rc1 into drm-misc-fixes

Boris needs 6.5-rc1 in drm-misc-fixes to prevent a conflict.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge branch 'master' into mm-hotfixes-stable

Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

- NVMe pull request via Keith:
- Various cleanups all around (Irvin, Chaitanya, Christop

Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

- NVMe pull request via Keith:
- Various cleanups all around (Irvin, Chaitanya, Christophe)
- Better struct packing (Christophe JAILLET)
- Reduce controller error logs for optional commands (Keith)
- Support for >=64KiB block sizes (Daniel Gomez)
- Fabrics fixes and code organization (Max, Chaitanya, Daniel
Wagner)

- bcache updates via Coly:
- Fix a race at init time (Mingzhe Zou)
- Misc fixes and cleanups (Andrea, Thomas, Zheng, Ye)

- use page pinning in the block layer for dio (David)

- convert old block dio code to page pinning (David, Christoph)

- cleanups for pktcdvd (Andy)

- cleanups for rnbd (Guoqing)

- use the unchecked __bio_add_page() for the initial single page
additions (Johannes)

- fix overflows in the Amiga partition handling code (Michael)

- improve mq-deadline zoned device support (Bart)

- keep passthrough requests out of the IO schedulers (Christoph, Ming)

- improve support for flush requests, making them less special to deal
with (Christoph)

- add bdev holder ops and shutdown methods (Christoph)

- fix the name_to_dev_t() situation and use cases (Christoph)

- decouple the block open flags from fmode_t (Christoph)

- ublk updates and cleanups, including adding user copy support (Ming)

- BFQ sanity checking (Bart)

- convert brd from radix to xarray (Pankaj)

- constify various structures (Thomas, Ivan)

- more fine grained persistent reservation ioctl capability checks
(Jingbo)

- misc fixes and cleanups (Arnd, Azeem, Demi, Ed, Hengqi, Hou, Jan,
Jordy, Li, Min, Yu, Zhong, Waiman)

* tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux: (266 commits)
scsi/sg: don't grab scsi host module reference
ext4: Fix warning in blkdev_put()
block: don't return -EINVAL for not found names in devt_from_devname
cdrom: Fix spectre-v1 gadget
block: Improve kernel-doc headers
blk-mq: don't insert passthrough request into sw queue
bsg: make bsg_class a static const structure
ublk: make ublk_chr_class a static const structure
aoe: make aoe_class a static const structure
block/rnbd: make all 'class' structures const
block: fix the exclusive open mask in disk_scan_partitions
block: add overflow checks for Amiga partition support
block: change all __u32 annotations to __be32 in affs_hardblocks.h
block: fix signed int overflow in Amiga partition support
block: add capacity validation in bdev_add_partition()
block: fine-granular CAP_SYS_ADMIN for Persistent Reservation
block: disallow Persistent Reservation on partitions
reiserfs: fix blkdev_put() warning from release_journal_dev()
block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
block: document the holder argument to blkdev_get_by_path
...

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Merge tag 'md-next-20230613' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.5/block

Pull MD updates from Song:

"The major changes are:

1. Protect md_thread with rcu, by Yu

Merge tag 'md-next-20230613' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.5/block

Pull MD updates from Song:

"The major changes are:

1. Protect md_thread with rcu, by Yu Kuai;
2. Various non-urgent raid5 and raid1/10 fixes, by Yu Kuai;
3. Non-urgent raid10 fixes, by Li Nan."

* tag 'md-next-20230613' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: (29 commits)
md/raid1-10: limit the number of plugged bio
md/raid1-10: don't handle pluged bio by daemon thread
md/md-bitmap: add a new helper to unplug bitmap asynchrously
md/raid1-10: submit write io directly if bitmap is not enabled
md/raid1-10: factor out a helper to submit normal write
md/raid1-10: factor out a helper to add bio to plug
md/raid10: prevent soft lockup while flush writes
md/raid10: fix io loss while replacement replace rdev
md/raid10: Do not add spare disk when recovery fails
md/raid10: clean up md_add_new_disk()
md/raid10: prioritize adding disk to 'removed' mirror
md/raid10: improve code of mrdev in raid10_sync_request
md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request
md/raid5: don't start reshape when recovery or replace is in progress
md: protect md_thread with rcu
md/bitmap: factor out a helper to set timeout
md/bitmap: always wake up md_thread in timeout_store
dm-raid: remove useless checking in raid_message()
md: factor out a helper to wake up md_thread directly
md: fix duplicate filename for rdev
...

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md/md-bitmap: add a new helper to unplug bitmap asynchrously

If bitmap is enabled, bitmap must update before submitting write io, this
is why unplug callback must move these io to 'conf->pending_io_

md/md-bitmap: add a new helper to unplug bitmap asynchrously

If bitmap is enabled, bitmap must update before submitting write io, this
is why unplug callback must move these io to 'conf->pending_io_list' if
'current->bio_list' is not empty, which will suffer performance
degradation.

A new helper md_bitmap_unplug_async() is introduced to submit bitmap io
in a kworker, so that submit bitmap io in raid10_unplug() doesn't require
that 'current->bio_list' is empty.

This patch prepare to limit the number of plugged bio.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230529131106.2123367-6-yukuai1@huaweicloud.com

show more ...

md/raid1-10: submit write io directly if bitmap is not enabled

Commit 6cce3b23f6f8 ("[PATCH] md: write intent bitmap support for raid10")
add bitmap support, and it changed that write io is submitte

md/raid1-10: submit write io directly if bitmap is not enabled

Commit 6cce3b23f6f8 ("[PATCH] md: write intent bitmap support for raid10")
add bitmap support, and it changed that write io is submitted through
daemon thread because bitmap need to be updated before write io. And
later, plug is used to fix performance regression because all the write io
will go to demon thread, which means io can't be issued concurrently.

However, if bitmap is not enabled, the write io should not go to daemon
thread in the first place, and plug is not needed as well.

Fixes: 6cce3b23f6f8 ("[PATCH] md: write intent bitmap support for raid10")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230529131106.2123367-5-yukuai1@huaweicloud.com

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Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Sync with upstream (which now contains fbdev-v4.19 changes) to
prepare a base for fbdev-v4

Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Sync with upstream (which now contains fbdev-v4.19 changes) to
prepare a base for fbdev-v4.20 changes.

show more ...

Merge drm/drm-next into drm-intel-next-queued

Catch up in general, and get DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT
specifically.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge tag 'y2038' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/core

Pull more y2038 work from Arnd Bergman:

y2038: convert more syscalls

Here is another set of syst

Merge tag 'y2038' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/core

Pull more y2038 work from Arnd Bergman:

y2038: convert more syscalls

Here is another set of system call changes to prepare the change over to
64-bit time_t. As before, the strategy is to change system calls that
take a 'struct timespec' argument over to 'struct __kernel_timespec',
which for now is defined to be the same but will get redefined to use a
64-bit time_t argument once we are ready to modify the system call tables.

The major change from previous patches is that the plan is no longer
to directly use the 'compat' system calls for providing compatibility
with the existing 32-bit time_t based entry points. Instead, we rename
the compat code to something that makes more sense on 32-bit architectures,
e.g. compat_timespec becomes old_timespec32.

With the renamed types in place, change over the 'stat' and 'utimes'
families of system calls, sched_rr_get_interval, recvmmsg and
rt_sigtimedwait. Another series for poll, select and io_pgetevents is
currently being tested.

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Merge tag 'v4.19-rc2' into next-general

Sync to Linux 4.19-rc2 for downstream developers.