From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CEBC938AC75 for ; Fri, 3 Jul 2026 09:01:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783069282; cv=none; b=VVXjo1vlUTOrYjd9aaKkjSiS+Jk/6S87vfWfAY9+xteusYJjp9uqKF3evexsWymn+7rI43w6mDF0t/FzLsagYjRfKl/OD2emZXRLCcFPToZmMccYHy8S228gTwdsrRrKjKQUQGmQ8apUoaNC15fo4Qr84D4wIPFC/26qgRr1rlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783069282; c=relaxed/simple; bh=plPuBPDvVMmoqq8HGkW7odDvWN+56ZelpqvoDwCxFm4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ADEPBqe++WdGILXKeABG35XZgCYeiWtdWpciSAuqgwxVvl0ez3bQHqCDlYj/cEpRpqYKEr6z8G96kbQkc4+HJrq5vM/4knMBhsq/dLlKUgkiydBYPZfzaY+dnsUwcg018wymRjMWrdLo4Gu34YJx5VmLKFi6pg0B3MmhSZtn+xA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=bG0WnlT2; arc=none smtp.client-ip=209.85.214.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bG0WnlT2" Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-2c6b67d5fa1so3001925ad.2 for ; Fri, 03 Jul 2026 02:01:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783069280; x=1783674080; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=DpL8woiCxyDID9Fjvu39ftJpVrBiFir6LWiq352ksZk=; b=bG0WnlT2gqOkyptUvEQcA7aQ9e6fFQj50bVYv2RqGS6geRqh+UDP5O+yyTtldDzEVU l60AY6ouV19fFkzLNEYQGrSalKfr18uJanAFzrS0zWdFQCZVw02eypHNq+M4dvL2PCjY EQGgpvLpT17aQaIthLdfv7wv+lOq99okvUcVWojVPyhvXSXIRMLCcRwqNMAGWucXPjV+ PQjtQiMvkIaTu8/0FZeuE3f8qRqkbRBm5vrLpgfDbS1TAODMkSsYDksV3GJmoosTVYU5 5Rk6oR3Hz/U3RiGQQ/2Feg0N98SEf0rG6Ftu8pC5F7eJCRi8iMs5HSmMtOnPhA/SNitr 0HLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783069280; x=1783674080; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=DpL8woiCxyDID9Fjvu39ftJpVrBiFir6LWiq352ksZk=; b=DmEJiYRL3QcFy8iyzL0DsDjO5/M6d0kq77DYgk5Wq3ZhkK3XqNrh1a2mxZgiQ02Ra6 k431RkAkeEsaZ5JN0wRIYx1eAL9cQtzNUhJ+rSCaUA4uP6RutZ7/eyEnbXLl/S1LL9RN u5IlvAzmrZInIiwFZ5XoI5UjcpgFp0lLE1k+z9B+iR/xS98BBGbHe7vmcskL7TuGuF7o vTdmU+4VMGd5jueC/YuY9XJC3whmR6vpR7tLvIB+zrH41S3VpNcFGeWg3T9Jm4POLEU9 6Mt1cqMPAysrghRyntgTjpstm+GwkRDu8kdAysJjJmmr2ASZOr8rEExOcxIUxZqpyTmb Aodg== X-Forwarded-Encrypted: i=1; AHgh+RokJjvRnEL7o/B+PfZNF0BbYc/HAJQI0YgIBzoP7Oaq5rxOgWdMCqYNU/PvXZ+yjU03Sk3uIZGF9jfQ9Cw=@vger.kernel.org X-Gm-Message-State: AOJu0Yw5sHLuhq5l0XfRO64GY+A/LOdtVd4kNO8OBDpk5ysycseQQsm0 kInNJWudJx6dV2RhQ8uDBsRAgU62CNfECxUpwym1NcE4PIzXxS5OvoNEpfsG+XJEuTYfzQ== X-Gm-Gg: AfdE7cknAj8IGxjfFSASaYzAogrmjVE0fc3p5K+2ROynpLnQslfaPWeBnQmcRh3TTBD uvFjWEWdzl/Cgmpeu1kcdjSEB/YJFJkefRC9xGbvFTtLDxZYKDNfRHQU3TZkeVddl7eRlaz9EvR NSdMrrpWpwinniW2vex4rKumdSmXiGUXqxnQXvXlK+bllePbeni79CMlHmPzyTzq1ijL2soPRcn G5Bg5q71XFaQ6ATJ3vTpzZqEYvjrfym8XAbGXssBgH09bRJk0Caa9w3bOxbiCtK9q//S5Kl2feb PAtXwp1IiCit8z1keuPKhqdWEwSNzq+91hcem2dHi+DOMyCHHkbC6GblUmyngmZwGeu2hUy6kAJ 8ia4kwTSaAUh6N1Y70Mte9iXoBOeG5PnDLJRSLmbcZcKvelGwc2gv6hl/yNTbfptDOJzlEeIUo9 Ach6DIwp8z9yeCXpydnkH1XqzN2Zr/MUkGgTE87DxNGnxzejgedxXuLrJX9EXFYy14NSC6lmpSH wMQkfWoIz5B3Mqcj85UxSw+HGZ4f3lOfY+MxygsUGpClF2tr+uLDRnIWg1RWOqX1n1k+g7ODGUB IpU1Q0LVgNaUGnk14Obn3+I6h01e X-Received: by 2002:a17:902:e841:b0:2c8:e13a:f23a with SMTP id d9443c01a7336-2ca7e8db6c6mr104602745ad.28.1783069279936; Fri, 03 Jul 2026 02:01:19 -0700 (PDT) Received: from cs-1047136853211-default.asia-southeast1-b.c.d33bddc1d573818c7-tp.internal (236.148.124.34.bc.googleusercontent.com. [34.124.148.236]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cad6f260acsm6293145ad.6.2026.07.03.02.01.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 02:01:19 -0700 (PDT) From: Aditya Prakash Srivastava To: Tyler Hicks Cc: Christian Brauner , ecryptfs@vger.kernel.org, linux-kernel@vger.kernel.org, Aditya Prakash Srivastava Subject: [PATCH] ecryptfs: use filemap_dirty_folio for address space operations Date: Fri, 3 Jul 2026 09:00:44 +0000 Message-ID: <20260703090044.1649-1-aditya.ansh182@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ecryptfs does not use buffer_heads. The legacy block_dirty_folio and block_invalidate_folio mapping operations were only added as a temporary compatibility fallback under CONFIG_BLOCK. Since ecryptfs does not attach private metadata (such as buffer_heads) to its folios, block_dirty_folio is unnecessary. Modernize ecryptfs to use filemap_dirty_folio for its dirty_folio address space operation. This allows removing the block_dirty_folio and block_invalidate_folio fallbacks, removing the buffer_head header include, and removing the CONFIG_BLOCK dependency inside ecryptfs_aops. Signed-off-by: Aditya Prakash Srivastava --- fs/ecryptfs/mmap.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 2c2b12fedeae..a057472b409c 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -510,21 +510,8 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block) return block; } -#include - const struct address_space_operations ecryptfs_aops = { - /* - * XXX: This is pretty broken for multiple reasons: ecryptfs does not - * actually use buffer_heads, and ecryptfs will crash without - * CONFIG_BLOCK. But it matches the behavior before the default for - * address_space_operations without the ->dirty_folio method was - * cleaned up, so this is the best we can do without maintainer - * feedback. - */ -#ifdef CONFIG_BLOCK - .dirty_folio = block_dirty_folio, - .invalidate_folio = block_invalidate_folio, -#endif + .dirty_folio = filemap_dirty_folio, .writepages = ecryptfs_writepages, .read_folio = ecryptfs_read_folio, .write_begin = ecryptfs_write_begin, -- 2.47.3