Re: [PATCH 16/31] unify the rest of iov_iter_get_pages()/iov_iter_get_pages_alloc() guts

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To: linux-fsdevel@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 16/31] unify the rest of iov_iter_get_pages()/iov_iter_get_pages_alloc() guts
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Jun 2022 04:56:41 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>
In-reply-to: <20220618053538.359065-17-viro@zeniv.linux.org.uk>

On Sat, Jun 18, 2022 at 06:35:23AM +0100, Al Viro wrote:
> -		res = get_user_pages_fast(addr, n, gup_flags, pages);
> +		if (*pages) {

		if (!*pages) {

obviously; transient - it goes away in 22/31.

References:
- Re: [RFC][PATCHES] iov_iter stuff
  - From: Al Viro
- [PATCH 01/31] splice: stop abusing iov_iter_advance() to flush a pipe
  - From: Al Viro
- [PATCH 16/31] unify the rest of iov_iter_get_pages()/iov_iter_get_pages_alloc() guts
  - From: Al Viro

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