Re: (subset) [RFC PATCH v5 0/5] introduce io_uring_cmd_import_fixed_vec

[David Sterba]

On Wed, Mar 19, 2025 at 09:27:37AM -0600, Jens Axboe wrote:
> On 3/19/25 9:26 AM, Jens Axboe wrote:
> > 
> > On Wed, 19 Mar 2025 06:12:46 +0000, Sidong Yang wrote:
> >> This patche series introduce io_uring_cmd_import_vec. With this function,
> >> Multiple fixed buffer could be used in uring cmd. It's vectored version
> >> for io_uring_cmd_import_fixed(). Also this patch series includes a usage
> >> for new api for encoded read/write in btrfs by using uring cmd.
> >>
> >> There was approximately 10 percent of performance improvements through benchmark.
> >> The benchmark code is in
> >> https://github.com/SidongYang/btrfs-encoded-io-test/blob/main/main.c
> >>
> >> [...]
> > 
> > Applied, thanks!
> > 
> > [1/5] io_uring: rename the data cmd cache
> >       commit: 575e7b0629d4bd485517c40ff20676180476f5f9
> > [2/5] io_uring/cmd: don't expose entire cmd async data
> >       commit: 5f14404bfa245a156915ee44c827edc56655b067
> > [3/5] io_uring/cmd: add iovec cache for commands
> >       commit: fe549edab6c3b7995b58450e31232566b383a249
> > [4/5] io_uring/cmd: introduce io_uring_cmd_import_fixed_vec
> >       commit: b24cb04c1e072ecd859a98b2e4258ca8fe8d2d4d
> 
> 1-4 look pretty straight forward to me - I'll be happy to queue the
> btrfs one as well if the btrfs people are happy with it, just didn't
> want to assume anything here.

For 6.15 is too late so it makes more sense to take it through the btrfs
patches targetting 6.16.