From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5879338F95A; Mon, 9 Mar 2026 11:53:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773057235; cv=none; b=tfRt5vcZiyUhWNeWEc4jh+LQdKSWJYKjnjFwqtpm7mkVhilU/s0vAsgrPidaNXkFSQaRT7nzlCeRedbgjJnMnNSjDtONNSd/uWC0zaQ1iji9Hsh6IDDKkbj5Z1UFl1qa8gaRZ+WpmdFuYy8TKUNq8OiuOtAd//cQKSTsEdZ5TCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773057235; c=relaxed/simple; bh=26gRRwBr0UIzv7hIMHVpui0Nrl+IEorFEQq5nlU7U0E=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=AhKBjZubDsUGU0mPayq1jPwD2K8nVmRoqkAwC4mEeYp6uow+ViBJT3pubmRTKvYuSr4ucDsuCh64HF42icN9ePZeRs6O/EY4oSOKNzvN4Li7IUOZrnfU0dUCiU2XBLljmAOVfy6YU7m556trXTHfR30GXxctNLZJvd/93WAnkqM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sjn/AHpi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sjn/AHpi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AE68C4CEF7; Mon, 9 Mar 2026 11:53:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773057235; bh=26gRRwBr0UIzv7hIMHVpui0Nrl+IEorFEQq5nlU7U0E=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=sjn/AHpiqZVfe33/7TOaU4a52kSrgRXN/7MEDUv/B6G5qQTqACwsRcGh3cwJ+DrhF EuFuQU4jPAmK+O1C+Eu+0bHZqskS0MI6bBoCS7AQhkDbuUnWdBmQhYDvD84Q+AMFIK Yun20Vt0DuqrLAh7A/iOiEa3HRs/UKDBTVoKmz7giQvTd00HIW3pkXCBpJsuzkmHiV LE8FChsEaELFQEjlSHkxz9slJYDCdC4NSRMbrU9lQHTId/OOX/FY0u3eV0Xoz6uFmq UaitdZdCDwYsiwnR2Y65SusQNPUJO4VQIZQXWUeZUlOnP+NJ6ZkWcxBjpwePzr/M8x sxEVn3irq2dSQ== Message-ID: Subject: Re: [PATCH v2] vfs: remove externs from fs.h on functions modified by i_ino widening From: Jeff Layton To: Jan Kara Cc: Alexander Viro , Christian Brauner , Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Mon, 09 Mar 2026 07:53:51 -0400 In-Reply-To: References: <20260307-iino-u64-v2-1-a1a1696e0653@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV 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i_ino widening > > series, which changes the prototype of several functions in fs.h: > >=20 > > "Can you please drop all these pointless externs while you're at it= ?" > >=20 > > Remove extern keyword from functions touched by that patch (and a few > > that happened to be nearby). Also add missing argument names to > > declarations that lacked them. > >=20 > > Suggested-by: Christoph Hellwig > > Reviewed-by: Christoph Hellwig > > Signed-off-by: Jeff Layton > ... > > -extern void inode_init_once(struct inode *); > > -extern void address_space_init_once(struct address_space *mapping); > > -extern struct inode * igrab(struct inode *); > > -extern ino_t iunique(struct super_block *, ino_t); > > -extern int inode_needs_sync(struct inode *inode); > > -extern int inode_just_drop(struct inode *inode); > > +void inode_init_once(struct inode *inode); > > +void address_space_init_once(struct address_space *mapping); > > +struct inode *igrab(struct inode *inode); > > +ino_t iunique(struct super_block *sb, ino_t max_reserved); >=20 > I've just noticed that we probably forgot to convert iunique() to use u64 > for inode numbers... Although the iunique() number allocator might prefer > to stay within 32 bits, the interfaces should IMO still use u64 for > consistency. >=20 I went back and forth on that one, but I left iunique() changes off since they weren't strictly required. Most filesystems that use it won't have more than 2^32 inodes anyway. If they worked before with iunique() limited to 32-bit values, they should still after this. After the i_ino widening we could certainly change it to return a u64 though. > Otherwise I like the changes in this patch so feel free to add: >=20 > Reviewed-by: Jan Kara >=20 Thanks! --=20 Jeff Layton