From: Bob Liu <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Cc: [email protected], [email protected],
[email protected], [email protected]
Subject: Re: [PATCH 1/4] io_uring: add IORING_OP_READ{WRITE}V_PI cmd
Date: Thu, 27 Feb 2020 17:05:22 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 2/26/20 10:24 PM, Jens Axboe wrote:
> On 2/26/20 1:37 AM, Bob Liu wrote:
>> diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
>> index a3300e1..98fa3f1 100644
>> --- a/include/uapi/linux/io_uring.h
>> +++ b/include/uapi/linux/io_uring.h
>> @@ -62,6 +62,8 @@ enum {
>> IORING_OP_NOP,
>> IORING_OP_READV,
>> IORING_OP_WRITEV,
>> + IORING_OP_READV_PI,
>> + IORING_OP_WRITEV_PI,
>> IORING_OP_FSYNC,
>> IORING_OP_READ_FIXED,
>> IORING_OP_WRITE_FIXED,
>
> So this one renumbers everything past IORING_OP_WRITEV, breaking the
> ABI in a very bad way. I'm guessing that was entirely unintentional?
> Any new command must go at the end of the list.
>
> You're also not updating io_op_defs[] with the two new commands,
> which means it won't compile at all. I'm guessing you tested this on
> an older version of the kernel which didn't have io_op_defs[]?
>
Yep, will rebase to the latest version next time.
next prev parent reply other threads:[~2020-02-27 9:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 8:37 [RFC PATCH 0/4] userspace PI passthrough via io_uring Bob Liu
2020-02-26 8:37 ` [PATCH 1/4] io_uring: add IORING_OP_READ{WRITE}V_PI cmd Bob Liu
2020-02-26 14:24 ` Jens Axboe
2020-02-26 15:57 ` Christoph Hellwig
2020-02-26 15:58 ` Jens Axboe
2020-02-26 16:03 ` Darrick J. Wong
2020-02-26 16:53 ` Christoph Hellwig
2020-02-27 9:19 ` Bob Liu
2020-02-27 9:05 ` Bob Liu [this message]
2020-02-26 8:37 ` [PATCH 2/4] bio-integrity: introduce two funcs handle protect information Bob Liu
2020-02-26 16:03 ` Darrick J. Wong
2020-02-27 9:23 ` Bob Liu
2020-02-26 8:37 ` [PATCH 3/4] block_dev: support protect information passthrough Bob Liu
2020-02-26 16:04 ` Darrick J. Wong
2020-02-26 8:37 ` [PATCH 4/4] liburing/test: add testcase for " Bob Liu
2020-02-26 14:25 ` [RFC PATCH 0/4] userspace PI passthrough via io_uring Jens Axboe
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