On Sat, Jun 03, 2017 at 04:04:02PM +0200, Christoph Hellwig wrote: > Currently we only create hctx for online CPUs, which can lead to a lot > of churn due to frequent soft offline / online operations. Instead > allocate one for each present CPU to avoid this and dramatically simplify > the code. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Oh man, this cleanup is great. Did you run blktests on this? block/008 does a bunch of hotplugging while I/O is running.
