Re: [PATCH v9 0/4] blk-throttle bugfix

From: Jens Axboe
Date: Mon Sep 12 2022 - 02:24:22 EST


On Mon, 29 Aug 2022 10:22:36 +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> 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
>
> [...]

Applied, thanks!

[1/4] blk-throttle: fix that io throttle can only work for single bio
commit: 320fb0f91e55ba248d4bad106b408e59099cfa89
[2/4] blk-throttle: prevent overflow while calculating wait time
commit: 8d6bbaada2e0a65f9012ac4c2506460160e7237a
[3/4] blk-throttle: factor out code to calculate ios/bytes_allowed
commit: 681cd46fff8cd81e387747c7850f2e730d3e0b74
[4/4] blk-throttle: fix io hung due to configuration updates
commit: a880ae93e5b5bb5d8d5500077a391e3f5ec7715c

Best regards,
--
Jens Axboe