From: Paulo Alcantara <pc@manguebit.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-fsdevel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
David Howells <dhowells@redhat.com>,
netfs@lists.linux.dev
Subject: Re: [PATCH 08/10] netfs: Use folio_next_pos()
Date: Fri, 24 Oct 2025 14:36:02 -0300 [thread overview]
Message-ID: <2f19d9bf0e8d2b70d52403e676bc119d@manguebit.org> (raw)
In-Reply-To: <20251024170822.1427218-9-willy@infradead.org>
"Matthew Wilcox (Oracle)" <willy@infradead.org> writes:
> This is one instruction more efficient than open-coding folio_pos() +
> folio_size(). It's the equivalent of (x + y) << z rather than
> x << z + y << z.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Cc: David Howells <dhowells@redhat.com>
> Cc: Paulo Alcantara <pc@manguebit.org>
> Cc: netfs@lists.linux.dev
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
next prev parent reply other threads:[~2025-10-24 17:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-24 17:08 [PATCH 00/10] Add and use folio_next_pos() Matthew Wilcox (Oracle)
2025-10-24 17:08 ` [PATCH 01/10] filemap: Add folio_next_pos() Matthew Wilcox (Oracle)
2025-10-27 7:53 ` Christoph Hellwig
2025-10-27 8:33 ` Joseph Qi
2025-10-24 17:08 ` [PATCH 02/10] btrfs: Use folio_next_pos() Matthew Wilcox (Oracle)
2025-10-30 18:14 ` David Sterba
2025-10-24 17:08 ` [PATCH 03/10] buffer: " Matthew Wilcox (Oracle)
2025-10-27 7:54 ` Christoph Hellwig
2025-10-30 9:35 ` Jan Kara
2025-10-24 17:08 ` [PATCH 04/10] ext4: " Matthew Wilcox (Oracle)
2025-10-25 3:20 ` Zhang Yi
2025-10-27 7:54 ` Christoph Hellwig
2025-10-24 17:08 ` [PATCH 05/10] f2fs: " Matthew Wilcox (Oracle)
2025-10-27 11:57 ` Chao Yu
2025-10-24 17:08 ` [PATCH 06/10] gfs2: " Matthew Wilcox (Oracle)
2025-10-24 17:08 ` [PATCH 07/10] iomap: " Matthew Wilcox (Oracle)
2025-10-24 17:10 ` Darrick J. Wong
2025-10-27 7:53 ` Christoph Hellwig
2025-10-24 17:08 ` [PATCH 08/10] netfs: " Matthew Wilcox (Oracle)
2025-10-24 17:36 ` Paulo Alcantara [this message]
2025-10-24 17:08 ` [PATCH 09/10] xfs: " Matthew Wilcox (Oracle)
2025-10-27 7:53 ` Christoph Hellwig
2025-10-24 17:08 ` [PATCH 10/10] mm: " Matthew Wilcox (Oracle)
2025-10-27 7:54 ` Christoph Hellwig
2025-10-27 15:43 ` David Hildenbrand
2025-11-08 5:00 ` Matthew Wilcox
2025-11-11 9:59 ` Christian Brauner
2025-10-27 14:16 ` [PATCH 08/10] netfs: " David Howells
2025-10-27 14:50 ` Matthew Wilcox
2025-10-31 12:12 ` [PATCH 00/10] Add and use folio_next_pos() Christian Brauner
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