From: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
Nick Terrell <terrelln@fb.com>, Jaegeuk Kim <jaegeuk@kernel.org>,
Ira Weiny <ira.weiny@intel.com>
Subject: Re: [f2fs-dev] [PATCH] f2fs: Use memcpy_page() in f2fs_copy_page()
Date: Sun, 17 Jul 2022 10:44:57 +0200 [thread overview]
Message-ID: <4431767.LvFx2qVVIh@opensuse> (raw)
In-Reply-To: <YtOyWOKFN9ramUyb@infradead.org>
On domenica 17 luglio 2022 08:55:20 CEST Christoph Hellwig wrote:
> On Sat, Jul 16, 2022 at 10:43:53PM +0200, Fabio M. De Francesco wrote:
> > static inline void f2fs_copy_page(struct page *src, struct page *dst)
> > {
> > - char *src_kaddr = kmap(src);
> > - char *dst_kaddr = kmap(dst);
> >
> > - memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
> > - kunmap(dst);
> > - kunmap(src);
> > + memcpy_page(dst, 0, src, 0, PAGE_SIZE);
>
> Please remove f2fs_copy_page entirely and open code this in the only
> caller.
>
I've changed the subject of the new patch, therefore we won't have a second
version of this:
"f2fs: Delete f2fs_copy_page() and replace with memcpy_page()" is at
https://lore.kernel.org/lkml/20220717083613.3861-1-fmdefrancesco@gmail.com/
Thanks for your suggestion,
Fabio
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WARNING: multiple messages have this Message-ID (diff)
From: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org>,
Nick Terrell <terrelln@fb.com>,
linux-f2fs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, Ira Weiny <ira.weiny@intel.com>
Subject: Re: [PATCH] f2fs: Use memcpy_page() in f2fs_copy_page()
Date: Sun, 17 Jul 2022 10:44:57 +0200 [thread overview]
Message-ID: <4431767.LvFx2qVVIh@opensuse> (raw)
In-Reply-To: <YtOyWOKFN9ramUyb@infradead.org>
On domenica 17 luglio 2022 08:55:20 CEST Christoph Hellwig wrote:
> On Sat, Jul 16, 2022 at 10:43:53PM +0200, Fabio M. De Francesco wrote:
> > static inline void f2fs_copy_page(struct page *src, struct page *dst)
> > {
> > - char *src_kaddr = kmap(src);
> > - char *dst_kaddr = kmap(dst);
> >
> > - memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
> > - kunmap(dst);
> > - kunmap(src);
> > + memcpy_page(dst, 0, src, 0, PAGE_SIZE);
>
> Please remove f2fs_copy_page entirely and open code this in the only
> caller.
>
I've changed the subject of the new patch, therefore we won't have a second
version of this:
"f2fs: Delete f2fs_copy_page() and replace with memcpy_page()" is at
https://lore.kernel.org/lkml/20220717083613.3861-1-fmdefrancesco@gmail.com/
Thanks for your suggestion,
Fabio
next prev parent reply other threads:[~2022-07-17 8:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-16 20:43 [f2fs-dev] [PATCH] f2fs: Use memcpy_page() in f2fs_copy_page() Fabio M. De Francesco
2022-07-16 20:43 ` Fabio M. De Francesco
2022-07-17 6:55 ` [f2fs-dev] " Christoph Hellwig
2022-07-17 6:55 ` Christoph Hellwig
2022-07-17 8:44 ` Fabio M. De Francesco [this message]
2022-07-17 8:44 ` Fabio M. De Francesco
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