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@xxxxxxxxxx/ v2: https://lore.kernel.org/all/20220518072751.1188163-1-yukuai3@xxxxxxxxxx/ v3: https://lore.kernel.org/all/20220519085811.879097-1-yukuai3@xxxxxxxxxx/ 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 config updates block/blk-throttle.c | 121 ++++++++++++++++++++++++++++++++----------- block/blk-throttle.h | 4 ++ 2 files changed, 94 insertions(+), 31 deletions(-) -- 2.31.1
