Re: [Cluster-devel] [PATCH V13 00/19] block: support multi-page bvec

2019-01-14 Thread Jens Axboe
On 1/11/19 4:01 AM, Ming Lei wrote: > Hi, > > This patchset brings multi-page bvec into block layer: > > 1) what is multi-page bvec? > > Multipage bvecs means that one 'struct bio_bvec' can hold multiple pages > which are physically contiguous instead of one single page used in linux > kernel fo

[Cluster-devel] [PATCH V13 00/19] block: support multi-page bvec

2019-01-11 Thread Ming Lei
Hi, This patchset brings multi-page bvec into block layer: 1) what is multi-page bvec? Multipage bvecs means that one 'struct bio_bvec' can hold multiple pages which are physically contiguous instead of one single page used in linux kernel for long time. 2) why is multi-page bvec introduced? K