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SubjectRe: [PATCH RESEND v6 0/8] bugfix and cleanup for blk-throttle
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Hi!

在 2022/07/01 17:34, Yu Kuai 写道:
> From: Yu Kuai <yukuai3@huawei.com>
>
> Resend v5 by a new mail address(huaweicloud.com) because old
> address(huawei.com)has some problem that emails can end up in spam.
> Please let me know if anyone still see this patchset end up in spam.
>
> 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.
> Patch 5-8 are cleanup patches, there are no functional changes, just
> some places that I think can be optimized during code review.

Jens and Michal,

Can you receive this patchset normally(not end up in spam)?

If so, Tejun, can you take a look? This patchset do fix some problems in
blk-throttle.

BTW, Michal and Ming, it'll be great if you can take a look at other
patches as well.

Thansk,
Kuai
>
> 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/
>
> Yu Kuai (8):
> 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 config updates
> blk-throttle: use 'READ/WRITE' instead of '0/1'
> blk-throttle: calling throtl_dequeue/enqueue_tg in pairs
> blk-throttle: cleanup tg_update_disptime()
> blk-throttle: clean up flag 'THROTL_TG_PENDING'
>
> block/blk-throttle.c | 168 +++++++++++++++++++++++++++++--------------
> block/blk-throttle.h | 16 +++--
> 2 files changed, 128 insertions(+), 56 deletions(-)
>

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