Re: [Qemu-devel] [Qemu-block] [PATCH 0/3] block/io_uring: fix EINTR and resubmit short reads

[John Snow]

On 7/15/19 4:19 PM, Stefan Hajnoczi wrote:
> Short reads are possible with cache=writeback (see Patch 3 for details).
> Handle this by resubmitting requests until the read is completed.
> 
> Patch 1 adds trace events useful for debugging io_uring.
> 
> Patch 2 fixes EINTR.  This lays the groundwork for resubmitting requests in
> Patch 3.
> 
> Aarushi: Feel free to squash this into your patch series if you are happy with
> the code, I don't mind if the authorship information is lost.  After applying
> these patches I can successfully boot a Fedora 30 guest qcow2 file with
> cache=writeback.
> 
> Based-on: <address@hidden>
> 
> Stefan Hajnoczi (3):
>   block/io_uring: add submission and completion trace events
>   block/io_uring: fix EINTR request resubmission
>   block/io_uring: resubmit short buffered reads
> 
>  block/io_uring.c   | 136 ++++++++++++++++++++++++++++++++++-----------
>  block/trace-events |   6 +-
>  2 files changed, 108 insertions(+), 34 deletions(-)
> 

Since this is over the 30 days mark, I'm going to assume this WAS
squashed into Aarushi's patchset, and it's safe to drop this from the
review queue for now?

--js