From: David Sterba <dsterba@suse.cz>
To: David Gow <david@davidgow.net>
Cc: Jim Cromie <jim.cromie@gmail.com>,
"Maciej W . Rozycki" <macro@orcam.me.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Matthew Auld <matthew.auld@intel.com>,
Arun Pravin <arunpravin.paneerselvam@amd.com>,
Joel Fernandes <joelagnelf@nvidia.com>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Chris Mason <mason@kernel.org>, David Sterba <dsterba@suse.com>,
dri-devel@lists.freedesktop.org, linux-btrfs@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] fs:btrfs: Use the new global is_power_of_2_u64() helper
Date: Mon, 31 Aug 2026 20:46:31 +0200 [thread overview]
Message-ID: <20260831184631.GI9053@twin.jikos.cz> (raw)
In-Reply-To: <20260830103321.2042968-3-david@davidgow.net>
On Sun, Aug 30, 2026 at 06:33:17PM +0800, David Gow wrote:
> btrfs currently provides its own 64-bit safe version of
> is_power_of_2(), in order to handle 64-bit values on 32-bit systems.
>
> Since other subsystems also have similar helpers, a new implementation
> has been added to linux/log2.h. Use this instead of the btrfs-specific
> one.
>
> Signed-off-by: David Gow <david@davidgow.net>
> ---
>
> This basically just replaces a btrfs helper with the version in patch 1.
> It probably doesn't make sense for this series to go in via the btrfs
> tree, so it's probably worth either accepting the posssibility for a
> conflict, or sending this patch in separately after the first one lands.
Acked-by: David Sterba <dsterba@suse.com>
As this is library API cleanup, feel free to take it with the rest of
the series.
next prev parent reply other threads:[~2026-08-31 18:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-30 10:33 [PATCH v2 1/3] linux/log2.h: Add 64-bit safe variants of power-of-two functions David Gow
2026-08-30 10:33 ` [PATCH v2 2/3] drm_buddy: fix power-of-2 rounding errs David Gow
2026-08-30 10:58 ` sashiko-bot
2026-08-30 10:33 ` [PATCH v2 3/3] fs:btrfs: Use the new global is_power_of_2_u64() helper David Gow
2026-08-31 18:46 ` David Sterba [this message]
2026-08-30 10:47 ` [PATCH v2 1/3] linux/log2.h: Add 64-bit safe variants of power-of-two functions sashiko-bot
2026-08-30 11:43 ` David Laight
2026-09-13 8:41 ` David Gow
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