> Are you using for-5.10 and SQEPOLL + ASYNC accept? I'll give that a > test spin. yes exactly > This should do it for your testing, need to confirm this is absolutely > safe. But it'll make it work for the 5.10/io_uring setup of allowing > file open/closes. > > diff --git a/fs/io_uring.c b/fs/io_uring.c > index 80913973337a..e21a7a9c6a59 100644 > --- a/fs/io_uring.c > +++ b/fs/io_uring.c > @@ -6757,7 +6757,7 @@ static enum sq_ret __io_sq_thread(struct io_ring_ctx *ctx, > > mutex_lock(&ctx->uring_lock); > if (likely(!percpu_ref_is_dying(&ctx->refs))) > - ret = io_submit_sqes(ctx, to_submit, NULL, -1); > + ret = io_submit_sqes(ctx, to_submit, ctx->ring_file, ctx->ring_fd); > mutex_unlock(&ctx->uring_lock); > > if (!io_sqring_full(ctx) && wq_has_sleeper(&ctx->sqo_sq_wait)) > @@ -8966,6 +8966,11 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p, > goto err; > } > > + if (p->flags & IORING_SETUP_SQPOLL) { > + ctx->ring_fd = fd; > + ctx->ring_file = file; > + } > + > ret = io_sq_offload_create(ctx, p); > if (ret) > goto err; > sorry I couldn't apply this patch, my last commit is https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-5.10/io_uring&id=9c2446cffaf55da88e7a9a7c0a5aeb02a9eba2c0 what's your last commit? it's a small patch, so I'll try it manually :) --- Josef