Re: [PATCH v5 0/2] cancel all throttled bios in del_gendisk()

[yukuai (C)]

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(-)