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From: Al Viro <viro@zeniv.linux.org.uk>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-fsdevel@vger.kernel.org, torvalds@linux-foundation.org,
	brauner@kernel.org
Subject: Re: [PATCHSET 0/2] Turn single segment imports into ITER_UBUF
Date: Mon, 27 Mar 2023 21:02:26 +0100	[thread overview]
Message-ID: <20230327200226.GI3390869@ZenIV> (raw)
In-Reply-To: <c975dbcf-1332-5bb5-3375-04280407a897@kernel.dk>

On Mon, Mar 27, 2023 at 12:59:09PM -0600, Jens Axboe wrote:

> > That's a great idea. Two questions - do we want to make that
> > WARN_ON_ONCE()? And then do we want to include a WARN_ON_ONCE for a
> > non-supported type? Doesn't seem like high risk as they've all been used
> > with ITER_IOVEC until now, though.
> 
> Scratch that last one, user_backed should double as that as well. At
> least currently, where ITER_UBUF and ITER_IOVEC are the only two
> iterators that hold user backed memory.

Quite.  As for the WARN_ON_ONCE vs. WARN_ON...  No preferences, really.

  reply	other threads:[~2023-03-27 20:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-24 20:44 [PATCHSET 0/2] Turn single segment imports into ITER_UBUF Jens Axboe
2023-03-24 20:44 ` [PATCH 1/2] iov_iter: convert import_single_range() to ITER_UBUF Jens Axboe
2023-03-24 20:44 ` [PATCH 2/2] iov_iter: import single vector iovecs as ITER_UBUF Jens Axboe
2023-03-24 21:14 ` [PATCHSET 0/2] Turn single segment imports into ITER_UBUF Linus Torvalds
2023-03-24 21:52   ` Jens Axboe
2023-03-25  4:46 ` Al Viro
2023-03-27 18:01   ` Jens Axboe
2023-03-27 18:42     ` Al Viro
2023-03-27 18:52       ` Jens Axboe
2023-03-27 18:59         ` Jens Axboe
2023-03-27 20:02           ` Al Viro [this message]
2023-03-27 20:03             ` Jens Axboe

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