From: Ming Lei <[email protected]>
To: Bernd Schubert <[email protected]>
Cc: Jens Axboe <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
Miklos Szeredi <[email protected]>,
ZiyangZhang <[email protected]>,
Xiaoguang Wang <[email protected]>,
Pavel Begunkov <[email protected]>,
Stefan Hajnoczi <[email protected]>,
Dan Williams <[email protected]>,
[email protected]
Subject: Re: [PATCH V6 17/17] block: ublk_drv: apply io_uring FUSED_CMD for supporting zero copy
Date: Sat, 1 Apr 2023 21:22:20 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Fri, Mar 31, 2023 at 07:55:30PM +0000, Bernd Schubert wrote:
> On 3/30/23 13:36, Ming Lei wrote:
...
> > +static inline bool ublk_check_fused_buf_dir(const struct request *req,
> > + unsigned int flags)
> > +{
> > + flags &= IO_URING_F_FUSED_BUF;
>
> ~IO_URING_F_FUSED_BUF ?
IO_URING_F_FUSED_BUF is buffer direction mask, and we can get direction
flags only in above way, so the above is correct.
Thanks,
Ming
next prev parent reply other threads:[~2023-04-01 13:24 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-30 11:36 [PATCH V6 00/17] io_uring/ublk: add generic IORING_OP_FUSED_CMD Ming Lei
2023-03-30 11:36 ` [PATCH V6 01/17] io_uring: increase io_kiocb->flags into 64bit Ming Lei
2023-03-30 11:36 ` [PATCH V6 02/17] io_uring: use ctx->cached_sq_head to calculate left sqes Ming Lei
2023-03-30 11:36 ` [PATCH V6 03/17] io_uring: add generic IORING_OP_FUSED_CMD Ming Lei
2023-04-01 14:35 ` Ming Lei
2023-03-30 11:36 ` [PATCH V6 04/17] io_uring: support providing buffer by IORING_OP_FUSED_CMD Ming Lei
2023-03-30 11:36 ` [PATCH V6 05/17] io_uring: support OP_READ/OP_WRITE for fused secondary request Ming Lei
2023-03-30 11:36 ` [PATCH V6 06/17] io_uring: support OP_SEND_ZC/OP_RECV " Ming Lei
2023-03-30 11:36 ` [PATCH V6 07/17] block: ublk_drv: add common exit handling Ming Lei
2023-03-30 11:36 ` [PATCH V6 08/17] block: ublk_drv: don't consider flush request in map/unmap io Ming Lei
2023-03-30 11:36 ` [PATCH V6 09/17] block: ublk_drv: add two helpers to clean up map/unmap request Ming Lei
2023-03-30 11:36 ` [PATCH V6 10/17] block: ublk_drv: clean up several helpers Ming Lei
2023-03-30 11:36 ` [PATCH V6 11/17] block: ublk_drv: cleanup 'struct ublk_map_data' Ming Lei
2023-03-30 11:36 ` [PATCH V6 12/17] block: ublk_drv: cleanup ublk_copy_user_pages Ming Lei
2023-03-31 16:22 ` Bernd Schubert
2023-03-30 11:36 ` [PATCH V6 13/17] block: ublk_drv: grab request reference when the request is handled by userspace Ming Lei
2023-03-30 11:36 ` [PATCH V6 14/17] block: ublk_drv: support to copy any part of request pages Ming Lei
2023-03-30 11:36 ` [PATCH V6 15/17] block: ublk_drv: add read()/write() support for ublk char device Ming Lei
2023-03-30 11:36 ` [PATCH V6 16/17] block: ublk_drv: don't check buffer in case of zero copy Ming Lei
2023-03-30 11:36 ` [PATCH V6 17/17] block: ublk_drv: apply io_uring FUSED_CMD for supporting " Ming Lei
2023-03-31 19:13 ` Bernd Schubert
2023-04-01 13:19 ` Ming Lei
2023-03-31 19:55 ` Bernd Schubert
2023-04-01 13:22 ` Ming Lei [this message]
2023-04-03 9:25 ` Bernd Schubert
2023-04-03 1:11 ` [PATCH V6 00/17] io_uring/ublk: add generic IORING_OP_FUSED_CMD Ming Lei
2023-04-03 1:24 ` Jens Axboe
2023-04-04 7:48 ` Ming Lei
2023-04-03 1:23 ` (subset) " Jens Axboe
2023-04-18 19:38 ` Bernd Schubert
2023-04-19 1:51 ` Ming Lei
2023-04-19 9:56 ` Bernd Schubert
2023-04-19 11:19 ` Ming Lei
2023-04-19 15:42 ` Bernd Schubert
2023-04-20 1:18 ` Pavel Begunkov
2023-04-20 1:38 ` Ming Lei
2023-04-21 22:38 ` Bernd Schubert
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