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 309603CC7C7; Tue, 12 May 2026 16:13:00 +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=1778602381; cv=none; b=XG5nLbmfKT0ldv9PTdyUxKTgWZ5Tc6egXDdIsI+uctsiseUnDs10AAz+Q24oWnSpDcf0doDIjtV8LJzO3odEFSBgMLoea/FmYpuUqtVHYAujZdD1knHrH3g0qtosBQxngwwSkva/mFGWZdNSP/Yg+VKxfDpCQLDDUAc6AwQ7lW0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778602381; c=relaxed/simple; bh=xSfXSQQnkiNhcDIRyu5/XLP0M8+rWWwcVgu+MrwgSHg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ABec0Ehm3liaOWeK5UEyjbHUCbg7x4ZeFaLT23/hGpUWNi99g4Kl6EIBhAvIIyf1Vs4k4sq9MsBQebBMRcF5GLdMjH8cvAuqd9kUxrMVAHDpohpXYU9Bhh/3b6Hnm8Y5N8TPhxfCWamMgXa4cGeOjj9QbbPQKFq2/4FHSbcLEpQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=X66kTsE2; 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="X66kTsE2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A778C2BCF5; Tue, 12 May 2026 16:12:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778602380; bh=xSfXSQQnkiNhcDIRyu5/XLP0M8+rWWwcVgu+MrwgSHg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=X66kTsE21ZyaazSKmMdKvGmhGftOCFnMVHk3UNkOPjpzq7azAct0rNAwCDA7AuNAp Ln8W5ozXBQITetIyz5O3yKpr8jGjHYhxpag//DkeWzpPNtvAU+mtPY1t41MRggg35o /zvo3nrGKoO/T27+l43uba9w5AoS/q+bqDK3SJHvdsVUknPzF/KHQJS2p6D8neZiJK s8oaDM1pV1QLCcbb6HTGNAYzrhUGohqfADxdRzWjAB2vC9ulOwvfuEPkaCBi7GwZLf gLNLG09H4hWVr5UYc32oOMMPf1z8pK33ilXfCLJafIZwtTaF+cyomCcKIAocJCIxeD maU2fFlY1ff8w== From: Jeff Layton Date: Tue, 12 May 2026 12:12:45 -0400 Subject: [PATCH 4/4] nfs: remove fileid field from struct nfs_inode Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260512-nfsino-v1-4-284720522f4c@kernel.org> References: <20260512-nfsino-v1-0-284720522f4c@kernel.org> In-Reply-To: <20260512-nfsino-v1-0-284720522f4c@kernel.org> To: Trond Myklebust , Anna Schumaker , Jonathan Corbet , Shuah Khan Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=747; i=jlayton@kernel.org; h=from:subject:message-id; bh=xSfXSQQnkiNhcDIRyu5/XLP0M8+rWWwcVgu+MrwgSHg=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqA1GHPYL2kyq4LV26QR5FSt+tmqeOTumYNHzeN 5PUHakZhUqJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCagNRhwAKCRAADmhBGVaC Fb2JD/98vIIHh1T8PUneuGjTWldC/YKp74KRsMMx1/LrxLN4IPTHT2P1GPiDh5LdrVUoY60qwUL 9EeDUvZlT1PmCQs16GZnqQ8l9bF9zlsbplJLW9rjekaqlSevwyhR4eg849NeYRcXTgqCXT/j+E+ m8ADXROibMbxwXLeE0Uf3htu7aSRREJbx7y36XOGKMLkXZo7ZLn+fZtUhSQmCjXgvzGh+3Eg17v /lBVDfA4pQCwg4VlBVFeIyoCeRaCKRC6pek1MY9AzmdjTUf2fJPQmplWreA8w1MW1Tdf0m9jRSx GkGyRw0xjRfetiO81LX6tkpjRfU8JuitDLCiu6yuVAl3VRWymRibvgJdUYThlbqLVrr61JzePB0 MWzwXa7ccpJLYyBsxniOmLW1Afi6P/d9B3Po30yxbMx49PaXN84/eqHX/kvNGV1Y3DC2qKLRqYn ew5H6XL29GvyQLQRIE03XoxbS0tvB0YMAnE3BHHybQYKPnpMgq9cEkTohu+/KctgewEEMDJ9fOH HlvQ99nXhO+QHu/VnJfT1Wd6HBqqaCED42KBmUDwi/lQENa2E/gB9SObaZ+yQhCg2PEndAf3O0x YthhlH9PBMQtUZXEMsr7as7hOJ81/YyhHysol/JNjLPrZ68wjNJLp9cMec+09RJvXReAaQWIN7Y 8Hm+IjsGOcNfdRg== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Now that all NFS client code uses inode->i_ino directly to store and access the 64-bit NFS fileid, the separate fileid field in struct nfs_inode is unused. Remove it to save 8 bytes per NFS inode. Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Jeff Layton --- include/linux/nfs_fs.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 83063f4ab488..ec17e602c979 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -145,11 +145,6 @@ struct nfs4_xattr_cache; * nfs fs inode data in memory */ struct nfs_inode { - /* - * The 64bit 'inode number' - */ - __u64 fileid; - /* * NFS file handle */ -- 2.54.0