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linux-yocto/drivers/md
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Shin'ichiro Kawasaki 64619652f4 dm: split write BIOs on zone boundaries when zone append is not emulated 
commit 675f940576 upstream.

Commit 2df7168717 ("dm: Always split write BIOs to zoned device
limits") updates the device-mapper driver to perform splits for the
write BIOs. However, it did not address the cases where DM targets do
not emulate zone append, such as in the cases of dm-linear or dm-flakey.
For these targets, when the write BIOs span across zone boundaries, they
trigger WARN_ON_ONCE(bio_straddles_zones(bio)) in
blk_zone_wplug_handle_write(). This results in I/O errors. The errors
are reproduced by running blktests test case zbd/004 using zoned
dm-linear or dm-flakey devices.

To avoid the I/O errors, handle the write BIOs regardless whether DM
targets emulate zone append or not, so that all write BIOs are split at
zone boundaries. For that purpose, drop the check for zone append
emulation in dm_zone_bio_needs_split(). Its argument 'md' is no longer
used then drop it also.

Fixes: 2df7168717 ("dm: Always split write BIOs to zoned device limits")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Link: https://lore.kernel.org/r/20250717103539.37279-1-shinichiro.kawasaki@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-20 18:41:44 +02:00
..
bcache bcache: remove unnecessary select MIN_HEAP 2025-06-19 20:48:03 -07:00
dm-vdo treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
persistent-data lib/crc: remove CONFIG_LIBCRC32C 2025-04-04 11:31:42 -07:00
dm-audit.c
dm-audit.h
dm-bio-prison-v1.c dm cache: Remove unused functions in bio-prison-v1 2024-11-20 11:38:04 +01:00
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 dm: use bio_list_merge_init 2024-04-01 11:53:37 -06:00
dm-bio-prison-v2.h
dm-bio-record.h
dm-bufio.c dm-bufio: fix sched in atomic context 2025-07-10 16:48:50 +02:00
dm-builtin.c
dm-cache-background-tracker.c dm cache: Remove unused btracker_nr_writebacks_queued 2024-11-20 11:38:04 +01:00
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-cache-metadata.c dm cache: Remove unused dm_cache_size 2024-11-20 11:38:04 +01:00
dm-cache-metadata.h dm cache: Remove unused dm_cache_size 2024-11-20 11:38:04 +01:00
dm-cache-policy-internal.h
dm-cache-policy-smq.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-cache-policy.c
dm-cache-policy.h
dm-cache-target.c dm cache: support shrinking the origin device 2025-03-06 16:13:47 +01:00
dm-clone-metadata.c dm: Make use of __assign_bit() API 2024-09-02 16:53:53 +02:00
dm-clone-metadata.h
dm-clone-target.c block: add a bdev_limits helper 2024-10-29 09:15:00 -06:00
dm-core.h dm: use generic functions instead of disable_discard and disable_write_zeroes 2025-05-04 11:35:05 +02:00
dm-crypt.c dm-crypt: Extend state buffer size in crypt_iv_lmk_one 2025-06-23 13:50:02 +02:00
dm-delay.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dm-dust.c dm: Allow .prepare_ioctl to handle ioctls directly 2025-05-04 11:35:05 +02:00
dm-ebs-target.c dm: Allow .prepare_ioctl to handle ioctls directly 2025-05-04 11:35:05 +02:00
dm-era-target.c dm: Constify struct dm_block_validator 2024-07-19 12:08:15 +02:00
dm-exception-store.c
dm-exception-store.h
dm-flakey.c dm-flakey: Fix corrupt_bio_byte setup checks 2025-08-15 16:39:15 +02:00
dm-ima.c
dm-ima.h
dm-init.c dm init: Handle minors larger than 255 2024-07-02 20:53:41 +02:00
dm-integrity.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dm-io-rewind.c
dm-io-tracker.h
dm-io.c dm-io: Warn on creating multiple atomic write bios for a region 2025-01-17 22:24:09 +01:00
dm-ioctl.c dm mpath: Interface for explicit probing of active paths 2025-05-04 11:35:06 +02:00
dm-kcopyd.c dm io: Support IO priority 2024-02-20 14:22:51 -05:00
dm-linear.c dm: Allow .prepare_ioctl to handle ioctls directly 2025-05-04 11:35:05 +02:00
dm-log-userspace-base.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c dm: Allow .prepare_ioctl to handle ioctls directly 2025-05-04 11:35:05 +02:00
dm-log.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-mpath.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-ps-historical-service-time.c dm-mpath: don't print the "loaded" message if registering fails 2025-08-20 18:41:29 +02:00
dm-ps-io-affinity.c dm: change kzalloc to kcalloc 2025-01-17 22:05:39 +01:00
dm-ps-queue-length.c dm-mpath: don't print the "loaded" message if registering fails 2025-08-20 18:41:29 +02:00
dm-ps-round-robin.c dm-mpath: don't print the "loaded" message if registering fails 2025-08-20 18:41:29 +02:00
dm-ps-service-time.c dm-mpath: don't print the "loaded" message if registering fails 2025-08-20 18:41:29 +02:00
dm-raid.c dm-raid: fix variable in journal device check 2025-06-23 16:42:37 +02:00
dm-raid1.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dm-region-hash.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-rq.c dm: use generic functions instead of disable_discard and disable_write_zeroes 2025-05-04 11:35:05 +02:00
dm-rq.h
dm-snap-persistent.c dm io: Support IO priority 2024-02-20 14:22:51 -05:00
dm-snap-transient.c
dm-snap.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-stats.c dm stats: limit the number of entries 2024-01-30 14:06:44 -05:00
dm-stats.h
dm-stripe.c dm-stripe: limit chunk_sectors to the stripe size 2025-08-20 18:40:54 +02:00
dm-switch.c dm: Allow .prepare_ioctl to handle ioctls directly 2025-05-04 11:35:05 +02:00
dm-sysfs.c
dm-table.c dm-table: fix checking for rq stackable devices 2025-08-20 18:41:29 +02:00
dm-target.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-thin-metadata.c dm: Constify struct dm_block_validator 2024-07-19 12:08:15 +02:00
dm-thin-metadata.h
dm-thin.c - dm-array fixes 2025-01-08 10:12:01 -08:00
dm-uevent.c
dm-uevent.h
dm-unstripe.c dm-unstriped: cast an operand to sector_t to prevent potential uint32_t overflow 2024-11-04 17:34:56 +01:00
dm-verity-fec.c dm-verity: fix a memory leak if some arguments are specified multiple times 2025-06-03 19:01:42 +02:00
dm-verity-fec.h dm-verity: always "map" the data blocks 2024-07-03 21:41:11 +02:00
dm-verity-loadpin.c
dm-verity-target.c dm-verity: fix a memory leak if some arguments are specified multiple times 2025-06-03 19:01:42 +02:00
dm-verity-verify-sig.c dm-verity: fix a memory leak if some arguments are specified multiple times 2025-06-03 19:01:42 +02:00
dm-verity-verify-sig.h
dm-verity.h dm-verity: remove the unused "data_start" variable 2024-11-20 11:44:44 +01:00
dm-writecache.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
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-zone: Use bdev_*() helper functions where applicable 2025-05-15 15:55:07 +02:00
dm-zoned-metadata.c dm: zoned: Remove unused functions 2024-11-20 11:38:04 +01:00
dm-zoned-reclaim.c dm: Fix dm-zoned-reclaim zone write pointer alignment 2024-12-10 09:15:33 -07:00
dm-zoned-target.c md: dm-zoned-target: Initialize return variable r to avoid uninitialized use 2025-08-20 18:41:28 +02:00
dm-zoned.h dm: zoned: Remove unused functions 2024-11-20 11:38:04 +01:00
dm.c dm: split write BIOs on zone boundaries when zone append is not emulated 2025-08-20 18:41:44 +02:00
dm.h dm: limit swapping tables for devices with zone write plugs 2025-05-04 11:35:05 +02:00
Kconfig CRC cleanups for 6.15 2025-04-08 12:09:28 -07:00
Makefile md: reintroduce md-linear 2025-01-13 07:36:29 -08:00
md-autodetect.c md: reintroduce md-linear 2025-01-13 07:36:29 -08:00
md-bitmap.c md/md-bitmap: fix GPF in bitmap_get_stats() 2025-07-05 19:36:50 +08:00
md-bitmap.h md/md-bitmap: remove parameter slot from bitmap_create() 2025-05-30 15:47:23 +08:00
md-cluster.c md: switch md-cluster to use md_submodle_head 2025-03-05 00:28:39 +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 md: switch personalities to use md_submodule_head 2025-03-05 00:27:20 +08:00
md.c md: make rdev_addable usable for rcu mode 2025-08-15 16:39:25 +02:00
md.h md: clean up accounting for issued sync IO 2025-05-10 16:14:22 +08:00
raid1-10.c md/raid1,raid10: don't handle IO error for REQ_RAHEAD and REQ_NOWAIT 2025-05-30 15:46:45 +08:00
raid1.c md/raid1,raid10: strip REQ_NOWAIT from member bios 2025-07-05 19:33:46 +08:00
raid1.h md/md-bitmap: remove the last parameter for bimtap_ops->endwrite() 2025-01-13 08:56:10 -08:00
raid5-cache.c lib/crc32: standardize on crc32c() name for Castagnoli CRC32 2025-02-08 20:06:30 -08:00
raid5-log.h
raid5-ppl.c lib/crc32: standardize on crc32c() name for Castagnoli CRC32 2025-02-08 20:06:30 -08:00
raid5.c md: clean up accounting for issued sync IO 2025-05-10 16:14:22 +08:00
raid5.h md/md-bitmap: move bitmap_{start, end}write to md upper layer 2025-01-13 08:56:11 -08:00
raid10.c md/raid10: set chunk_sectors limit 2025-08-20 18:40:54 +02:00
raid10.h md/md-bitmap: remove the last parameter for bimtap_ops->endwrite() 2025-01-13 08:56:10 -08:00
raid0.c for-6.15/block-20250322 2025-03-26 18:08:55 -07:00
raid0.h