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 941D72E9742; Tue, 22 Jul 2025 12:57:49 +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=1753189069; cv=none; b=Y/2qbvfBe4izRcKbHXLCVUyt9fNayfDvI/NCo0mVcrY2Aa90i0DEji9/TcIV25EiilqaUi60JWAO+7nAIvPXN8cD3bNFd0o2XUiz2htjbVQsj9TAF8RB3eVfu4KKCB21nT+Kywi/e33K7lVnDZllWTj6rBhS5pEt5HWwN53XZ+o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753189069; c=relaxed/simple; bh=9bagpMuhJRb+rY6i4MvA/UbNEqwbFK7prENCucPGXpA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cB2uvDCfYv9wdDaAKuFKTb5pezXef3Zl0C3gU4XuElA5pmJDgmPg8mvp5CZCikfw0f7z828qQPFDeVi/JbCVnXLFWFQjSSEXOG6/fG3Gy1jRce1d9XQbcJRytw9oX2AqMknBdx/lPc1kt1tVAlR/G6YP/Axdw3gfEwt5mt9Y6dU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZuLtVmWE; 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="ZuLtVmWE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65B6CC4CEF1; Tue, 22 Jul 2025 12:57:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753189069; bh=9bagpMuhJRb+rY6i4MvA/UbNEqwbFK7prENCucPGXpA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZuLtVmWETWlsQIQMJG5fF77BcetKHUCAFC3ofrlWAKEaYWrtIYiHllgSumBCbCgFU tBZvKX8M+moFjPG7dhxI3TFzpRz+wuTOjvOPckhSjHyubCCwNfZKNEuGUvRkalAh4k pJL8BABUtrF6YAGh9tg6BCczV47MXn0NeVzvO+mgAtKMHi+nYlNsta3YKrEP3NdjN8 khz/fkCEjk5TYOf4vJcSeDas3wsZ2mGN4p1IzKOd2G/IINsQm1J91KkRK/+7n7QAJT HIzI106wuJK1JDdYY0AXcJRNHNTk6BR5nZLYs9eCYEui523EgBJyMEMShmywB0ShY0 bNloHu5sfe/Vw== From: Christian Brauner To: Jeff Layton , Jan Kara , Christoph Hellwig , Jens Axboe , Josef Bacik Cc: Christian Brauner , Eric Biggers , "Theodore Y. Ts'o" , linux-fsdevel@vger.kernel.org, linux-fscrypt@vger.kernel.org, fsverity@lists.linux.dev Subject: [PATCH RFC DRAFT v2 01/13] fs: add fscrypt offset Date: Tue, 22 Jul 2025 14:57:07 +0200 Message-ID: <20250722-work-inode-fscrypt-v2-1-782f1fdeaeba@kernel.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250722-work-inode-fscrypt-v2-0-782f1fdeaeba@kernel.org> References: <20250722-work-inode-fscrypt-v2-0-782f1fdeaeba@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev-a9b2a X-Developer-Signature: v=1; a=openpgp-sha256; l=977; i=brauner@kernel.org; h=from:subject:message-id; bh=9bagpMuhJRb+rY6i4MvA/UbNEqwbFK7prENCucPGXpA=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWTUd21Ukm/RZtfdczL/+4SuU9+V+9SuR1lc9GzSuhyeY eJlrsjRUcrCIMbFICumyOLQbhIut5ynYrNRpgbMHFYmkCEMXJwCMBHRSIb/MSmC5jcrf1amby46 Xly8Snlm/YXFSkt7j5xnvVJVEvrpHyPDj+ctOTvlLpe1O5Ts+X52a1eiyrKaNb2NGur+adt8d1a zAwA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Content-Transfer-Encoding: 8bit Store the offset of the fscrypt data pointer from struct inode in struct inode_operations. Both are embedded in the filesystem's private inode. This will allow us to drop the fscrypt data pointer from struct inode itself and move it into the filesystem's inode. Signed-off-by: Christian Brauner --- include/linux/fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 96c7925a6551..82678b523720 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2217,6 +2217,7 @@ int wrap_directory_iterator(struct file *, struct dir_context *, { return wrap_directory_iterator(file, ctx, x); } struct inode_operations { + ptrdiff_t i_fscrypt; struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); int (*permission) (struct mnt_idmap *, struct inode *, int); -- 2.47.2