Sidong Yang comments

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                                            Sidong Yang

[BUG] Hangs when using iopoll without sqpoll

@ollie-etl Sure, here is my PR #297

btrfs-progs: subvolume: use BTRFS_IOC_SUBVOL_SYNC_WAIT for sync

Hi, @kdave ! Thanks for a comment. I've fixed this. - print error message for `-ENOTTY` - force_to_check -> periodic - change usage message for this patch

When using `io_uring_prep_recv_multishot` and `IORING_RECVSEND_BUNDLE` and `IOU_PBUF_RING_INC`, data will only be accepted once!

@AomaYple I've just tested this issue, I reproduced and receives same result with you. But it seems that the second cqe that receives 16 bytes without ENOBUF. it has cflags...

Async traits

It might seem simplistic, but one potential solution could be duplicating all the code handling incoming data into an asynchronous function.

I think using `maybe_async` is good option for this problem. It doesn't affacts original sync codegen and it supports async code. I submitted an experimental PR for this https://github.com/daniel5151/gdbstub/pull/161