Re: [PATCH 26/60] btrfs: set NO_MP for request queues behind BTRFS

2016-10-31 Thread Christoph Hellwig
On Mon, Oct 31, 2016 at 11:58:29AM -0600, Chris Mason wrote: > Yeah, I'd rather make us less special. The direct access was a short term > fix to adjust to the new bio interfaces, we should clean it up. I've got patches for a few areas in progress, I'll send them your way once I've finished

Re: [PATCH 26/60] btrfs: set NO_MP for request queues behind BTRFS

2016-10-31 Thread Chris Mason
On Mon, Oct 31, 2016 at 08:36:44AM -0700, Christoph Hellwig wrote: On Sat, Oct 29, 2016 at 04:08:25PM +0800, Ming Lei wrote: There are lots of direct access to .bi_vcnt & .bi_io_vec of bio, and it isn't ready to support multipage bvecs for BTRFS, so set NO_MP for these request queues. For one

Re: [PATCH 26/60] btrfs: set NO_MP for request queues behind BTRFS

2016-10-31 Thread Christoph Hellwig
On Sat, Oct 29, 2016 at 04:08:25PM +0800, Ming Lei wrote: > There are lots of direct access to .bi_vcnt & .bi_io_vec > of bio, and it isn't ready to support multipage bvecs > for BTRFS, so set NO_MP for these request queues. For one bio is an I/O submitter, it has absolutely no business changing