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linux/drivers/md
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Christoph Hellwig 35472bc6f3 raid6: improve the public interface 
Stop directly calling into function pointers from users of the RAID6 PQ
API, and provide exported functions with proper documentation and API
guarantees asserts where applicable instead.

Link: https://lore.kernel.org/20260518051804.462141-8-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # kunit only on arm64
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Li Nan <linan122@huawei.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Song Liu <song@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
History 2026-05-28 21:24:54 -07:00
..
bcache bcache: fix uninitialized closure object 2026-04-03 05:11:08 -06:00
dm-pcache Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
dm-vdo dm vdo: use GFP_NOIO for blkdev_issue_zeroout on format path 2026-05-04 15:02:25 +02:00
persistent-data dm-thin: fix metadata refcount underflow 2026-04-20 19:56:44 +02:00
dm-audit.c dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-audit.h dm: introduce audit event module for device mapper 2021-10-27 16:53:47 -04:00
dm-bio-prison-v1.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-bio-prison-v1.h dm cache: Remove unused functions in bio-prison-v1 2024-11-20 11:38:04 +01:00
dm-bio-prison-v2.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-bio-prison-v2.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-bio-record.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-bufio.c dm-bufio: use kzalloc_flex 2026-03-26 18:31:15 +01:00
dm-builtin.c dm: adjust EXPORT_SYMBOL() to follow functions immediately 2023-02-14 14:23:07 -05:00
dm-cache-background-tracker.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-cache-background-tracker.h dm cache: Remove unused btracker_nr_writebacks_queued 2024-11-20 11:38:04 +01:00
dm-cache-block-types.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-cache-metadata.c dm cache metadata: fix memory leak on metadata abort retry 2026-03-09 14:53:39 +01:00
dm-cache-metadata.h dm cache: prevent entering passthrough mode after unclean shutdown 2026-03-02 16:50:18 +01:00
dm-cache-policy-internal.h dm: add missing empty lines 2023-02-14 14:23:06 -05:00
dm-cache-policy-smq.c dm cache policy smq: fix missing locks in invalidating cache blocks 2026-03-02 16:49:46 +01:00
dm-cache-policy.c dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-cache-policy.h dm: address indent/space issues 2023-02-14 14:23:06 -05:00
dm-cache-target.c dm cache: fix missing return in invalidate_committed's error path 2026-04-10 15:16:06 +02:00
dm-clone-metadata.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-clone-metadata.h dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -04:00
dm-clone-target.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-core.h Revert "dm: fix a race condition in retrieve_deps" 2026-01-28 15:44:02 +01:00
dm-crypt.c dm-crypt: Make crypt_iv_operations::post return void 2026-03-30 12:06:33 +02:00
dm-delay.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-dust.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ebs-target.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-era-target.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-exception-store.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-exception-store.h dm-snapshot: fix 'scheduling while atomic' on real-time kernels 2025-12-10 19:28:22 +01:00
dm-flakey.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ima.c dm-ima: use SHA-256 library 2026-03-02 17:02:09 +01:00
dm-ima.h dm-ima: use SHA-256 library 2026-03-02 17:02:09 +01:00
dm-init.c dm init: ensure device probing has finished in dm-mod.waitfor= 2026-03-18 15:36:33 +01:00
dm-integrity.c dm: provide helper to set stacked limits 2026-03-27 22:19:17 +01:00
dm-io-rewind.c dm: avoid void function return statements 2023-02-14 14:23:07 -05:00
dm-io-tracker.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-io.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ioctl.c dm: fix a buffer overflow in ioctl processing 2026-04-09 20:49:04 +02:00
dm-kcopyd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-linear.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-log-userspace-base.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-log-userspace-transfer.c dm: avoid split of quoted strings where possible 2023-02-14 14:23:07 -05:00
dm-log-userspace-transfer.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-log-writes.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-log.c dm log: fix out-of-bounds write due to region_count overflow 2026-03-09 14:56:53 +01:00
dm-mpath.c dm-mpath: don't stop probing paths at presuspend 2026-03-02 16:54:36 +01:00
dm-mpath.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-path-selector.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-path-selector.h dm-mpath: make dm_unregister_path_selector return void 2025-06-30 16:20:04 +02:00
dm-ps-historical-service-time.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ps-io-affinity.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ps-queue-length.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ps-round-robin.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-ps-service-time.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-raid.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-raid1.c dm mirror: fix integer overflow in create_dirty_log() 2026-03-02 18:43:12 +01:00
dm-region-hash.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-rq.c - dm-verity: various optimizations and fixes related to forward error 2026-02-11 17:04:21 -08:00
dm-rq.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-snap-persistent.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
dm-snap-transient.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-snap.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
dm-stats.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
dm-stats.h dm stats: check for and propagate alloc_percpu failure 2023-03-16 13:37:06 -04:00
dm-stripe.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-switch.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-sysfs.c dm: sysfs: use sysfs_emit() in dm-sysfs.c 2025-10-20 15:22:21 +02:00
dm-table.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-target.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-thin-metadata.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-thin-metadata.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-thin.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-uevent.c dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-uevent.h dm: fix undue/missing spaces 2023-02-14 14:23:06 -05:00
dm-unstripe.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-verity-fec.c dm-verity-fec: warn even when there were no errors 2026-03-23 17:50:52 +01:00
dm-verity-fec.h dm-verity-fec: rename rounds to region_blocks 2026-03-09 15:12:38 +01:00
dm-verity-loadpin.c dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter 2023-06-28 10:43:04 -07:00
dm-verity-target.c dm: provide helper to set stacked limits 2026-03-27 22:19:17 +01:00
dm-verity-verify-sig.c dm-verity: fix section mismatch error 2026-01-21 14:06:23 +01:00
dm-verity-verify-sig.h dm-verity: fix section mismatch error 2026-01-21 14:06:23 +01:00
dm-verity.h dm-verity: rename dm_verity::hash_blocks to dm_verity::hash_end 2026-03-09 15:11:41 +01:00
dm-writecache.c dm: provide helper to set stacked limits 2026-03-27 22:19:17 +01:00
dm-zero.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-zone.c dm: use READ_ONCE in dm_blk_report_zones 2026-01-14 13:12:21 +01:00
dm-zoned-metadata.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
dm-zoned-reclaim.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-zoned-target.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dm-zoned.h dm: zoned: Remove unused functions 2024-11-20 11:38:04 +01:00
dm.c dm: use bio_clone_blkg_association 2026-01-26 15:36:22 +01:00
dm.h block: introduce disk_report_zone() 2025-11-05 08:07:21 -07:00
Kconfig dm-crypt: Reimplement elephant diffuser using AES library 2026-03-23 17:51:13 +01:00
Makefile dm docs: fix typos 2025-10-03 18:48:02 -07:00
md-autodetect.c md: reintroduce md-linear 2025-01-13 07:36:29 -08:00
md-bitmap.c md/md-bitmap: add a none backend for bitmap grow 2026-04-28 20:44:38 +08:00
md-bitmap.h md/md-bitmap: split bitmap sysfs groups 2026-04-28 20:44:37 +08:00
md-cluster.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
md-cluster.h md: switch md-cluster to use md_submodle_head 2025-03-05 00:28:39 +08:00
md-linear.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
md-llbitmap.c md/md-bitmap: split bitmap sysfs groups 2026-04-28 20:44:37 +08:00
md.c md: use ATTRIBUTE_GROUPS() for md default sysfs attributes 2026-04-28 20:44:38 +08:00
md.h md/md-bitmap: add a none backend for bitmap grow 2026-04-28 20:44:38 +08:00
raid0.c md/raid0: use kvzalloc/kvfree for strip_zone and devlist allocations 2026-04-07 13:09:21 +08:00
raid0.h md/raid0: add discard support for the 'original' layout 2023-06-30 15:43:50 -07:00
raid1-10.c md/raid1,raid10: don't fail devices for invalid IO errors 2026-04-28 20:44:37 +08:00
raid1.c md/raid1: replace wait loop with wait_event_idle() in raid1_write_request() 2026-04-28 20:44:38 +08:00
raid1.h md: remove recovery_disabled 2026-01-26 13:17:38 +08:00
raid5-cache.c md/raid5: validate payload size before accessing journal metadata 2026-04-07 13:09:22 +08:00
raid5-log.h md/raid5-ppl: Drop unused argument from ppl_handle_flush_request() 2022-08-02 17:14:31 -06:00
raid5-ppl.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
raid5.c raid6: improve the public interface 2026-05-28 21:24:54 -07:00
raid5.h md/raid5: remove stale md_raid5_kick_device() declaration 2026-03-23 02:15:11 +08:00
raid10.c md/raid10: fix divide-by-zero in setup_geo() with zero far_copies 2026-04-28 20:44:37 +08:00
raid10.h md: remove recovery_disabled 2026-01-26 13:17:38 +08:00