Re: [RFC PATCH V3 11/11] HV/Storvsc: Add Isolation VM support for storvsc driver

From: Tianyu Lan
Date: Mon Jun 07 2021 - 11:01:03 EST




On 6/7/2021 2:46 PM, Christoph Hellwig wrote:
On Sun, May 30, 2021 at 11:06:28AM -0400, Tianyu Lan wrote:
+ for (i = 0; i < request->hvpg_count; i++)
+ dma_unmap_page(&device->device,
+ request->dma_range[i].dma,
+ request->dma_range[i].mapping_size,
+ request->vstor_packet.vm_srb.data_in
+ == READ_TYPE ?
+ DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ kfree(request->dma_range);

Unreadably long lines. You probably want to factor the quoted code into
a little readable helper and do the same for the map side.

Good suggestion. Will update.

Thanks.