Re: [PATCH] async_tx: deprecate broken support for channel switching

2017-02-15 Thread Vinod Koul
On Wed, Feb 15, 2017 at 06:42:09PM -0800, Dan Williams wrote: > Back in 2011, Russell pointed out that the "async_tx channel switch" > capability was violating expectations of the dma mapping api [1]. At the > time the existing uses were reviewed as still usable, but that longer > term we needed a

[PATCH] async_tx: deprecate broken support for channel switching

2017-02-15 Thread Dan Williams
Back in 2011, Russell pointed out that the "async_tx channel switch" capability was violating expectations of the dma mapping api [1]. At the time the existing uses were reviewed as still usable, but that longer term we needed a rework of the raid offload implementation. While some of the framework