Messages in this thread | | | Date | Fri, 20 Feb 2015 16:17:59 +0000 | From | Joe Thornber <> | Subject | Re: [PATCH v3] staging: writeboost: Add dm-writeboost |
| |
On Sat, Feb 21, 2015 at 01:06:08AM +0900, Akira Hayakawa wrote: > The size is configurable but typically 512KB (that's the default). > > Refer to bio payload sounds really dangerous but it may be possible > in some tricky way. but at the moment I am not sure how the > implementation would be. > > Is there some fancy function that is like memcpy but actually "move" > the ownership?
When building up your log chunk bio copy the bio_vecs (not the data) from the original bios. You can't complete the original bios until your log chunk has been written.
- Joe
| |