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Subject[PATCH -next v5 0/8] bugfix and cleanup for blk-throttle
Date
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.

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/

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 | 158 +++++++++++++++++++++++++++++--------------
block/blk-throttle.h | 16 +++--
2 files changed, 120 insertions(+), 54 deletions(-)

--
2.31.1

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