public inbox for linux-btrfs@vger.kernel.org
 help / color / mirror / Atom feed
From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Matthew Wilcox <willy@infradead.org>, Qu Wenruo <wqu@suse.com>,
	Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>,
	David Sterba <dsterba@suse.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 2/3] btrfs: Fix two misuses of folio_shift()
Date: Fri, 24 Jan 2025 22:49:52 +0100	[thread overview]
Message-ID: <20250124214952.GP5777@suse.cz> (raw)
In-Reply-To: <6206360a-545d-4842-b43d-1855f78d7da5@gmx.com>

On Fri, Jan 24, 2025 at 04:41:46PM +1030, Qu Wenruo wrote:
> 
> 
> 在 2025/1/23 01:54, David Sterba 写道:
> > On Tue, Jan 21, 2025 at 05:59:53PM +0000, Matthew Wilcox wrote:
> >>>>> +			if (folio_contains(folio, i_size >> PAGE_SHIFT) &&
> >>>>
> >>>> Although folio_contains() is already a pretty good improvement, can we
> >>>> have a bytenr/i_sized based solution for fs usages?
> >>>
> >>> Good point, something like folio_contains_offset() that does the correct
> >>> shifts.
> >>
> >> I'd call it folio_contains_pos(), but I'm not sure there's a lot of
> >> users.  We've got a lot of filesystems converted now, and btrfs is the
> >> first one to want something like that.  I've had a look through iomap
> >> and some other filesystems, and I can't see anywhere else that would use
> >> folio_contains_pos().
> >
> > Ok then, we can live with that, but please keep it in mind for future
> > folio API updates. Thanks.
> >
> Then the whole series looks good to me.
> 
> Reviewed-by: Qu Wenruo <wqu@suse.com>
> 
> And since the whole series is reviewed, should I merge this series into
> for-next now?

Yes please.

  reply	other threads:[~2025-01-24 21:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-21  5:40 [PATCH 1/3] btrfs: Fix some folio-related comments Matthew Wilcox (Oracle)
2025-01-21  5:40 ` [PATCH 2/3] btrfs: Fix two misuses of folio_shift() Matthew Wilcox (Oracle)
2025-01-21  7:21   ` Qu Wenruo
2025-01-21 16:10     ` David Sterba
2025-01-21 17:59       ` Matthew Wilcox
2025-01-22 15:24         ` David Sterba
2025-01-24  6:11           ` Qu Wenruo
2025-01-24 21:49             ` David Sterba [this message]
2025-01-21  5:40 ` [PATCH 3/3] btrfs: Convert io_ctl_prepare_pages() to work on folios Matthew Wilcox (Oracle)
2025-01-21  7:22   ` Qu Wenruo
2025-01-21  7:14 ` [PATCH 1/3] btrfs: Fix some folio-related comments Qu Wenruo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250124214952.GP5777@suse.cz \
    --to=dsterba@suse.cz \
    --cc=clm@fb.com \
    --cc=dsterba@suse.com \
    --cc=josef@toxicpanda.com \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=quwenruo.btrfs@gmx.com \
    --cc=willy@infradead.org \
    --cc=wqu@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox