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From: Jens Axboe <axboe@kernel.dk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-fsdevel@vger.kernel.org, brauner@kernel.org,
	viro@zeniv.linux.org.uk
Subject: Re: [PATCH 06/11] iov_iter: overlay struct iovec and ubuf/len
Date: Wed, 29 Mar 2023 13:38:26 -0600	[thread overview]
Message-ID: <554cd099-aa7f-361a-2397-515f7a9f7191@kernel.dk> (raw)
In-Reply-To: <CAHk-=wg2q64+WLKE+0+UNeZav=LjXJZx2gHJ5NR3_5LxvQC8Mg@mail.gmail.com>

On 3/29/23 1:30 PM, Linus Torvalds wrote:
> On Wed, Mar 29, 2023 at 11:41 AM Jens Axboe <axboe@kernel.dk> wrote:
>>
>> +               struct iovec __ubuf_iovec;
> 
> I think this is the third time I say this: this should be "const struct iovec".

Doh sorry, not sure why I keep missing that... But yes, it should, I'll make
the edit and actually amend it.

> No other use is ever valid, and this cast:
> 
>> +static inline const struct iovec *iter_iov(const struct iov_iter *iter)
>> +{
>> +       if (iter->iter_type == ITER_UBUF)
>> +               return (const struct iovec *) &iter->__ubuf_iovec;
> 
> should simply not exist.

Yep. Fixed both up.

-- 
Jens Axboe



  reply	other threads:[~2023-03-29 19:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-29 18:40 [PATCHSET v6 0/11] Turn single segment imports into ITER_UBUF Jens Axboe
2023-03-29 18:40 ` [PATCH 01/11] block: ensure bio_alloc_map_data() deals with ITER_UBUF correctly Jens Axboe
2023-03-29 18:40 ` [PATCH 02/11] iov_iter: add iter_iovec() helper Jens Axboe
2023-03-29 18:40 ` [PATCH 03/11] iov_iter: add iter_iov_addr() and iter_iov_len() helpers Jens Axboe
2023-03-29 18:40 ` [PATCH 04/11] iov_iter: remove iov_iter_iovec() Jens Axboe
2023-03-29 18:40 ` [PATCH 05/11] iov_iter: set nr_segs = 1 for ITER_UBUF Jens Axboe
2023-03-29 18:40 ` [PATCH 06/11] iov_iter: overlay struct iovec and ubuf/len Jens Axboe
2023-03-29 19:30   ` Linus Torvalds
2023-03-29 19:38     ` Jens Axboe [this message]
2023-03-29 19:42       ` Jens Axboe
2023-03-29 19:49         ` Jens Axboe
2023-03-29 19:52           ` Linus Torvalds
2023-03-29 19:56             ` Jens Axboe
2023-03-29 19:59               ` Linus Torvalds
2023-03-29 20:01                 ` Jens Axboe
2023-03-29 18:40 ` [PATCH 07/11] IB/hfi1: check for user backed iterator, not specific iterator type Jens Axboe
2023-03-29 18:40 ` [PATCH 08/11] IB/qib: " Jens Axboe
2023-03-29 18:40 ` [PATCH 09/11] ALSA: pcm: " Jens Axboe
2023-03-29 18:40 ` [PATCH 10/11] iov_iter: convert import_single_range() to ITER_UBUF Jens Axboe
2023-03-29 18:40 ` [PATCH 11/11] iov_iter: import single vector iovecs as ITER_UBUF Jens Axboe
2023-03-29 19:44 ` [PATCHSET v6 0/11] Turn single segment imports into ITER_UBUF Linus Torvalds
2023-03-29 19:55   ` Jens Axboe

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