If del_gendisk() is done when some io are still throttled, such io will not be handled until the throttle is done, which is not necessary. Changes in v2: - move WARN_ON_ONCE() from throtl_rb_first() to it's caller - merge some patches into one. Changes in v3: - some code optimization in patch 1 - hold queue lock to cancel bios in patch 2 Changes in v4: - delete rcu_read_lock() and rcu_read_unlock() in patch 2 Changes in v5: - add comment about rcu lock Changes in v6: - revert to include rcu lock with some comments. Jagan Teki (1): ARM: dts: stm32: Enable LVDS panel on i.Core STM32MP1 EDIMM2.2 Yu Kuai (1): blk-throtl: move WARN_ON_ONCE() from throtl_rb_first() to it's caller Yu Kuai (2): blk-throtl: move WARN_ON_ONCE() from throtl_rb_first() to it's caller block: cancel all throttled bios in del_gendisk() block/blk-throttle.c | 82 ++++++++++++++++++++++++++++++++++++++++++-- block/blk-throttle.h | 2 ++ block/genhd.c | 2 ++ 3 files changed, 83 insertions(+), 3 deletions(-) -- 2.31.1
