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SubjectRe: [PATCH v9 0/4] blk-throttle bugfix
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Hi, Jens!

在 2022/08/29 10:22, Yu Kuai 写道:
> From: Yu Kuai <yukuai3@huawei.com>
>
> Changes in v9:
> - renaming the flag BIO_THROTTLED to BIO_BPS_THROTTLED, and always
> apply iops limit in path 1;
> - add tag for patch 4
> Changes in v8:
> - use a new solution in patch 1
> - move cleanups to a separate patchset
> - rename bytes/io_skipped to carryover_bytes/ios in patch 4
> Changes in v7:
> - add patch 5 to improve handling of re-entered bio for bps limit
> - as suggested by Tejun, add some comments
> - sdd some Acked tag by Tejun
> Changes in v6:
> - rename parameter in patch 3
> - add comments and reviewed tag for patch 4
> Changes in v5:
> - add comments in patch 4
> - clear bytes/io_skipped in throtl_start_new_slice_with_credit() in
> patch 4
> - and cleanup patches 5-8
> Changes in v4:
> - add reviewed-by tag for patch 1
> - add patch 2,3
> - use a different way to fix io hung in patch 4
> Changes in v3:
> - fix a check in patch 1
> - fix link err in patch 2 on 32-bit platform
> - handle overflow in patch 2
> Changes in v2:
> - use a new solution suggested by Ming
> - change the title of patch 1
> - add patch 2
>
> Patch 1 fix that blk-throttle can't work if multiple bios are throttle.
> Patch 2 fix overflow while calculating wait time.
> Patch 3,4 fix io hung due to configuration updates.
>
> Previous version:
> v1: https://lore.kernel.org/all/20220517134909.2910251-1-yukuai3@huawei.com/
> v2: https://lore.kernel.org/all/20220518072751.1188163-1-yukuai3@huawei.com/
> v3: https://lore.kernel.org/all/20220519085811.879097-1-yukuai3@huawei.com/
> v4: https://lore.kernel.org/all/20220523082633.2324980-1-yukuai3@huawei.com/
> v5: https://lore.kernel.org/all/20220528064330.3471000-1-yukuai3@huawei.com/
> v6: https://lore.kernel.org/all/20220701093441.885741-1-yukuai1@huaweicloud.com/
> v7: https://lore.kernel.org/all/20220802140415.2960284-1-yukuai1@huaweicloud.com/
> v8: https://lore.kernel.org/all/20220823033130.874230-1-yukuai1@huaweicloud.com/
>
> Yu Kuai (4):
> blk-throttle: fix that io throttle can only work for single bio
> blk-throttle: prevent overflow while calculating wait time
> blk-throttle: factor out code to calculate ios/bytes_allowed
> blk-throttle: fix io hung due to configuration updates

Can you apply this patchset now?

Thanks,
Kuai
>
> block/bio.c | 2 -
> block/blk-throttle.c | 137 +++++++++++++++++++++++++-------------
> block/blk-throttle.h | 11 ++-
> include/linux/bio.h | 2 +-
> include/linux/blk_types.h | 2 +-
> 5 files changed, 104 insertions(+), 50 deletions(-)
>

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