Re: [Xen-devel] [PATCH 06/32] xen blkback: prepare for bi_rw split

2015-11-08 Thread Bob Liu
On 11/07/2015 06:17 PM, Christoph Hellwig wrote: > A little offtopic for this patch, but can some explain this whole > mess about bios in Xen blkfront? We can happily do partial completions > at the request later. > > Also since the blk-mq conversion the call to blk_end_request_all is This

Re: [Xen-devel] [PATCH 06/32] xen blkback: prepare for bi_rw split

2015-11-07 Thread Konrad Rzeszutek Wilk
On Sat, Nov 07, 2015 at 02:17:13AM -0800, Christoph Hellwig wrote: > A little offtopic for this patch, but can some explain this whole > mess about bios in Xen blkfront? We can happily do partial completions > at the request later. Not sure I follow. There are a couple of patches that are

Re: [Xen-devel] [PATCH 06/32] xen blkback: prepare for bi_rw split

2015-11-07 Thread Christoph Hellwig
A little offtopic for this patch, but can some explain this whole mess about bios in Xen blkfront? We can happily do partial completions at the request later. Also since the blk-mq conversion the call to blk_end_request_all is completely broken, so it doesn't look like this code path is exactly