Re: [PATCH] io_uring: retry io_uring_submit() if it fails with errno=EINTR

[Stefan Hajnoczi]

On Tue, May 19, 2020 at 03:30:41PM +0200, Stefano Garzarella wrote:
> As recently documented [1], io_uring_enter(2) syscall can return an
> error (errno=EINTR) if the operation was interrupted by a delivery
> of a signal before it could complete.
> 
> This should happen when IORING_ENTER_GETEVENTS flag is used, for
> example during io_uring_submit_and_wait() or during io_uring_submit()
> when IORING_SETUP_IOPOLL is enabled.
> 
> We shouldn't have this problem for now, but it's better to prevent it.
> 
> [1] 
> https://github.com/axboe/liburing/commit/344355ec6619de8f4e64584c9736530b5346e4f4
> 
> Signed-off-by: Stefano Garzarella <address@hidden>
> ---
>  block/io_uring.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

signature.asc
Description: PGP signature