On Tue, Aug 25, 2020 at 10:17:32PM +0800, Ming Lei wrote: > Hi Jens, > > The 1st patch add .mq_quiesce_mutex for serializing quiesce/unquiesce, > and prepares for replacing srcu with percpu_ref. > > The 2nd patch replaces srcu with percpu_ref. > > V2: > - add .mq_quiesce_lock > - add comment on patch 2 wrt. handling hctx_lock() failure > - trivial patch style change > > > Ming Lei (2): > blk-mq: serialize queue quiesce and unquiesce by mutex > blk-mq: implement queue quiesce via percpu_ref for BLK_MQ_F_BLOCKING > > block/blk-core.c | 2 + > block/blk-mq-sysfs.c | 2 - > block/blk-mq.c | 125 +++++++++++++++++++++++------------------ > block/blk-sysfs.c | 6 +- > include/linux/blk-mq.h | 7 --- > include/linux/blkdev.h | 6 ++ > 6 files changed, 82 insertions(+), 66 deletions(-) > > Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx> > Cc: Paul E. McKenney <paulmck@xxxxxxxxxx> > Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx> > Cc: Sagi Grimberg <sagi@xxxxxxxxxxx> > Cc: Bart Van Assche <bvanassche@xxxxxxx> > Cc: Johannes Thumshirn <Johannes.Thumshirn@xxxxxxx> > Cc: Chao Leng <lengchao@xxxxxxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> Hello Guys, Is there any objections on the two patches? If not, I'd suggest to move on. Thanks, Ming
