Message ID | 20211210083143.3181535-1-yukuai3@huawei.com (mailing list archive) |
---|---|
Headers | show |
Series | cancel all throttled bios in del_gendisk() | expand |
在 2021/12/10 16:31, Yu Kuai 写道: > 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 Friendly ping... > > 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 | 75 ++++++++++++++++++++++++++++++++++++++++++-- > block/blk-throttle.h | 2 ++ > block/genhd.c | 2 ++ > 3 files changed, 76 insertions(+), 3 deletions(-) >
在 2021/12/18 17:09, yukuai (C) 写道: > 在 2021/12/10 16:31, Yu Kuai 写道: >> 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 > Friendly ping... Friendly ping ... >> >> 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 | 75 ++++++++++++++++++++++++++++++++++++++++++-- >> block/blk-throttle.h | 2 ++ >> block/genhd.c | 2 ++ >> 3 files changed, 76 insertions(+), 3 deletions(-) >>