2021-06-04 16:44:31

by Fam Zheng

[permalink] [raw]
Subject: [PATCH] io_uring: Fix comment of io_get_sqe

The sqe_ptr argument has been gone since 709b302faddf (io_uring:
simplify io_get_sqring, 2020-04-08), made the return value of the
function. Update the comment accordingly.

Signed-off-by: Fam Zheng <[email protected]>
---
fs/io_uring.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 903458afd56c..bb3685ba335d 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6670,7 +6670,7 @@ static void io_commit_sqring(struct io_ring_ctx *ctx)
}

/*
- * Fetch an sqe, if one is available. Note that sqe_ptr will point to memory
+ * Fetch an sqe, if one is available. Note this returns a pointer to memory
* that is mapped by userspace. This means that care needs to be taken to
* ensure that reads are stable, as we cannot rely on userspace always
* being a good citizen. If members of the sqe are validated and then later
--
2.31.1


2021-06-15 13:03:59

by Pavel Begunkov

[permalink] [raw]
Subject: Re: [PATCH] io_uring: Fix comment of io_get_sqe

On 6/4/21 5:42 PM, Fam Zheng wrote:
> The sqe_ptr argument has been gone since 709b302faddf (io_uring:
> simplify io_get_sqring, 2020-04-08), made the return value of the
> function. Update the comment accordingly.

Reviewed-by: Pavel Begunkov <[email protected]>

>
> Signed-off-by: Fam Zheng <[email protected]>
> ---
> fs/io_uring.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/io_uring.c b/fs/io_uring.c
> index 903458afd56c..bb3685ba335d 100644
> --- a/fs/io_uring.c
> +++ b/fs/io_uring.c
> @@ -6670,7 +6670,7 @@ static void io_commit_sqring(struct io_ring_ctx *ctx)
> }
>
> /*
> - * Fetch an sqe, if one is available. Note that sqe_ptr will point to memory
> + * Fetch an sqe, if one is available. Note this returns a pointer to memory
> * that is mapped by userspace. This means that care needs to be taken to
> * ensure that reads are stable, as we cannot rely on userspace always
> * being a good citizen. If members of the sqe are validated and then later
>

--
Pavel Begunkov

2021-06-15 21:41:52

by Jens Axboe

[permalink] [raw]
Subject: Re: [PATCH] io_uring: Fix comment of io_get_sqe

On 6/4/21 10:42 AM, Fam Zheng wrote:
> The sqe_ptr argument has been gone since 709b302faddf (io_uring:
> simplify io_get_sqring, 2020-04-08), made the return value of the
> function. Update the comment accordingly.

Applied, thanks.

--
Jens Axboe