Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-22 Thread Palmer Dabbelt
On Tue, 22 Dec 2020 05:32:46 PST (-0800), Christoph Hellwig wrote: On Mon, Dec 14, 2020 at 07:00:57PM -0800, Palmer Dabbelt wrote: I haven't gotten a whole lot of feedback, so I'm inclined to at least have some reasonable performance numbers before bothering with a v2. FYI, my other main

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-22 Thread Christoph Hellwig
On Mon, Dec 14, 2020 at 07:00:57PM -0800, Palmer Dabbelt wrote: > I haven't gotten a whole lot of feedback, so I'm inclined to at least have > some > reasonable performance numbers before bothering with a v2. FYI, my other main worry beside duplicating nbd is that device mapper really is a

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-16 Thread Palmer Dabbelt
On Wed, 16 Dec 2020 10:24:59 PST (-0800), v.mayats...@gmail.com wrote: On Mon, Dec 14, 2020 at 10:03 PM Palmer Dabbelt wrote: I was really experting someone to say that. It does seem kind of silly to build out the new interface, but not go all the way to a ring buffer. We just didn't really

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-16 Thread Palmer Dabbelt
On Tue, 15 Dec 2020 22:17:06 PST (-0800), ruby.w...@gmail.com wrote: Hi my name is Akira Hayakawa. I am maintaining an out-of-tree DM target named dm-writeboost. Sorry to step in. But this is a very interesting topic at least to me. I have been looking for something like dm-user because I

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-16 Thread Vitaly Mayatskih
On Mon, Dec 14, 2020 at 10:03 PM Palmer Dabbelt wrote: > I was really experting someone to say that. It does seem kind of silly to > build > out the new interface, but not go all the way to a ring buffer. We just > didn't > really have any way to justify the extra complexity as our use cases

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-14 Thread Palmer Dabbelt
On Thu, 10 Dec 2020 09:03:21 PST (-0800), jo...@toxicpanda.com wrote: On 12/9/20 10:38 PM, Bart Van Assche wrote: On 12/7/20 10:55 AM, Palmer Dabbelt wrote: All in all, I've found it a bit hard to figure out what sort of interest people have in dm-user: when I bring this up I seem to run into

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-10 Thread Josef Bacik
On 12/9/20 10:38 PM, Bart Van Assche wrote: On 12/7/20 10:55 AM, Palmer Dabbelt wrote: All in all, I've found it a bit hard to figure out what sort of interest people have in dm-user: when I bring this up I seem to run into people who've done similar things before and are vaguely interested,

Re: [dm-devel] [PATCH v1 0/5] dm: dm-user: New target that proxies BIOs to userspace

2020-12-09 Thread Bart Van Assche
On 12/7/20 10:55 AM, Palmer Dabbelt wrote: > All in all, I've found it a bit hard to figure out what sort of interest > people > have in dm-user: when I bring this up I seem to run into people who've done > similar things before and are vaguely interested, but certainly nobody is > chomping at the