From: Dan Smith <danms@xxxxxxxxxx> Subject: Re: Latest dm-userspace kernel code Date: Sat, 30 Sep 2006 08:48:53 -0700 > FT> If you add a feature to notify I/O completion of user space (I > FT> think this feature is necessary for other reasons too), user-space > FT> programs can take care about this easily. I prefer the > FT> dm-userspace kernel module to just perform I/Os according to > FT> requests from user space. > > I have thought about this approach before, and perhaps it makes sense, > as it will simplify the kernel module and move all of the CoW-like > behavior back out to userspace. I think that it would be better for the kerne module to provide only generic mechanisms. > In order for this to perform well, we will need to use AIO, right? I'm not sure about this. Can you elaborate? -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
