Messages in this thread | | | Date | Thu, 11 Jun 2015 09:28:12 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v5 17/21] libnvdimm: infrastructure for btt devices |
| |
On Wed, Jun 10, 2015 at 02:46:16PM -0400, Matthew Wilcox wrote: > Don't screw up rw_page. The point of rw_page is to read or write a page > cache page. It can sleep, and it indicates success by using the page > flags. Don't try and scqueeze rw_bytes into it. If you want rw_bytes > to be a queue operation, that's one thing, but don't mess with rw_page.
Oh, I forgot about the page manipulating nature. Yes, we'll need a different operation in this case.
| |