From: Damien Le Moal <[email protected]>
To: Kanchan Joshi <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
Arnav Dawn <[email protected]>
Subject: Re: [PATCH 2/3] aio: add support for zone-append
Date: Thu, 18 Jun 2020 07:33:57 +0000 [thread overview]
Message-ID: <CY4PR04MB3751B6D692F59810AF6D52D7E79B0@CY4PR04MB3751.namprd04.prod.outlook.com> (raw)
In-Reply-To: [email protected]
On 2020/06/18 2:27, Kanchan Joshi wrote:
> Introduce IOCB_CMD_ZONE_APPEND opcode for zone-append. On append
> completion zone-relative offset is returned using io_event->res2.
>
> Signed-off-by: Kanchan Joshi <[email protected]>
> Signed-off-by: Arnav Dawn <[email protected]>
> Signed-off-by: SelvaKumar S <[email protected]>
> Signed-off-by: Nitesh Shetty <[email protected]>
> Signed-off-by: Javier Gonzalez <[email protected]>
> ---
> fs/aio.c | 8 ++++++++
> include/uapi/linux/aio_abi.h | 1 +
> 2 files changed, 9 insertions(+)
>
> diff --git a/fs/aio.c b/fs/aio.c
> index 7ecddc2..8b10a55d 100644
> --- a/fs/aio.c
> +++ b/fs/aio.c
> @@ -1579,6 +1579,10 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb,
> __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true);
> __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE);
> }
> +#ifdef CONFIG_BLK_DEV_ZONED
> + if (iocb->aio_lio_opcode == IOCB_CMD_ZONE_APPEND)
> + req->ki_flags |= IOCB_ZONE_APPEND;
> +#endif
> req->ki_flags |= IOCB_WRITE;
> aio_rw_done(req, call_write_iter(file, req, &iter));
> }
> @@ -1846,6 +1850,10 @@ static int __io_submit_one(struct kioctx *ctx, const struct iocb *iocb,
> return aio_fsync(&req->fsync, iocb, true);
> case IOCB_CMD_POLL:
> return aio_poll(req, iocb);
> +#ifdef CONFIG_BLK_DEV_ZONED
> + case IOCB_CMD_ZONE_APPEND:
> + return aio_write(&req->rw, iocb, false, compat);
> +#endif
> default:
> pr_debug("invalid aio operation %d\n", iocb->aio_lio_opcode);
> return -EINVAL;
> diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h
> index 8387e0a..541d96a 100644
> --- a/include/uapi/linux/aio_abi.h
> +++ b/include/uapi/linux/aio_abi.h
> @@ -43,6 +43,7 @@ enum {
> IOCB_CMD_NOOP = 6,
> IOCB_CMD_PREADV = 7,
> IOCB_CMD_PWRITEV = 8,
> + IOCB_CMD_ZONE_APPEND = 9,
> };
>
> /*
>
No need for all the #ifdefs.
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2020-06-18 7:34 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200617172653epcas5p488de50090415eb802e62acc0e23d8812@epcas5p4.samsung.com>
2020-06-17 17:23 ` [PATCH 0/3] zone-append support in aio and io-uring Kanchan Joshi
[not found] ` <CGME20200617172702epcas5p4dbf4729d31d9a85ab1d261d04f238e61@epcas5p4.samsung.com>
2020-06-17 17:23 ` [PATCH 1/3] fs,block: Introduce IOCB_ZONE_APPEND and direct-io handling Kanchan Joshi
2020-06-17 19:02 ` Pavel Begunkov
2020-06-18 7:16 ` Damien Le Moal
2020-06-18 18:35 ` Kanchan Joshi
[not found] ` <CGME20200617172706epcas5p4dcbc164063f58bad95b211b9d6dfbfa9@epcas5p4.samsung.com>
2020-06-17 17:23 ` [PATCH 2/3] aio: add support for zone-append Kanchan Joshi
2020-06-18 7:33 ` Damien Le Moal [this message]
[not found] ` <CGME20200617172713epcas5p352f2907a12bd4ee3c97be1c7d8e1569e@epcas5p3.samsung.com>
2020-06-17 17:23 ` [PATCH 3/3] io_uring: " Kanchan Joshi
2020-06-17 18:55 ` Pavel Begunkov
2020-06-18 7:39 ` Damien Le Moal
2020-06-18 8:35 ` [email protected]
2020-06-18 8:47 ` Damien Le Moal
2020-06-18 9:11 ` [email protected]
2020-06-19 9:41 ` [email protected]
2020-06-19 11:15 ` Matias Bjørling
2020-06-19 14:18 ` Jens Axboe
2020-06-19 15:14 ` Matias Bjørling
2020-06-19 15:20 ` Jens Axboe
2020-06-19 15:40 ` Matias Bjørling
2020-06-19 15:44 ` Jens Axboe
2020-06-21 18:55 ` [email protected]
2020-06-19 14:15 ` Jens Axboe
2020-06-19 14:59 ` Pavel Begunkov
2020-06-19 15:02 ` Jens Axboe
2020-06-21 18:52 ` [email protected]
2020-06-17 17:42 ` [PATCH 0/3] zone-append support in aio and io-uring Matthew Wilcox
2020-06-18 6:56 ` Christoph Hellwig
2020-06-18 8:29 ` Javier González
2020-06-18 17:52 ` Kanchan Joshi
2020-06-19 3:08 ` Damien Le Moal
2020-06-19 7:56 ` Christoph Hellwig
2020-06-18 8:04 ` Matias Bjørling
2020-06-18 8:27 ` Javier González
2020-06-18 8:32 ` Matias Bjørling
2020-06-18 8:39 ` Javier González
2020-06-18 8:46 ` Matias Bjørling
2020-06-18 14:16 ` Christoph Hellwig
2020-06-18 19:21 ` Kanchan Joshi
2020-06-18 20:04 ` Matias Bjørling
2020-06-19 1:03 ` Damien Le Moal
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