From patchwork Wed Nov 20 11:20:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mateusz Guzik X-Patchwork-Id: 13881061 Received: from mail-ej1-f41.google.com (mail-ej1-f41.google.com [209.85.218.41]) (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 4DAC41A2544; Wed, 20 Nov 2024 11:20:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732101656; cv=none; b=T7mYo9TmKQ/hr/Q5U/52G8obW9y30pzxz5X8aM6zIMqqwRWtuxbMQud5eIXZbhOO0KGTXMYYMOTsS+bZKchthPVYWNkO0qjJbABJZZbV3PR5czH6gY6vvSjBzBdkzMqpPub3ch0b0DtTvUe4LB5SnCVKEexuYltw2hXw6HKiKd0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732101656; c=relaxed/simple; bh=xtTZUjsWZVXj5yW5dnZUqVQ8rBguXuqM28VC+lUH3wc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X7XUTwFcU4RiYB73EbjgxgQQnpyuN+h8Y24tit6xVU/79F4TX6raQNOpRl2iz2mHwU/aY2vGmz97655VouBzvZPEeMWq639Ksi0m9lAae+42cNALkUoBJH0eYW28m1g0/1oz0e+X+JMZRby6iLthqk6kze7EiJGv4ttCTZmiJ5Y= 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=Etsm7+z8; arc=none smtp.client-ip=209.85.218.41 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="Etsm7+z8" Received: by mail-ej1-f41.google.com with SMTP id a640c23a62f3a-a9ed7d8d4e0so653844566b.1; Wed, 20 Nov 2024 03:20:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1732101652; x=1732706452; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YMDpr51HGMdjTn/zZt2QmbhLNhc4xxoRwRH832sAaPM=; b=Etsm7+z8RhZ+El8Cq8B4d90xuRHGDdAc+mJnKhDmNO78DNBX8Lge1evFtG4yOcNLgx 2zb2toy8iT5IqGoloiHDKsJhY1gi1R+vxN7hs2/L2fghXqk/8vU/pN9bzu6oa3Rn7a7M gub6IBCpNZRd3EjzoQCQITEwmnuBavv/WA7L5j0Sq5+lRPiJrjbzOXYw2cNmhiuriCzA Nms8Smlj0RBD6aI/Bo/AV0MD9RjnW94kvO/tAIl05KIv2kVuzO9BA6tz3d+cwVc22hzQ ugt+jOtejtlwp3XwaJJWjZvWxQlGxYzusJiY3Zm3AScKeGFRD2PdnCwQcOE6UHA+Rv6c utsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732101652; x=1732706452; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YMDpr51HGMdjTn/zZt2QmbhLNhc4xxoRwRH832sAaPM=; b=C/RbiBKfgHmosFg5Y9W90gHzC49KiqNYqCBIrcOJRr4PRcpNyHXltD5Rr21N/RWwLD vms2A0d8orj3PTO+6Tf3dmimcFaW69P71YLcjogcfkEKRKQGsUp54bAngDrZH0AIPPOA AfgVh/B+pA9a4PDJFS9tnwntRnp3ctpbPDbI75O/WbWIYvSaY5ZYIadciMnDBTEbj72A R9fk0tVAJoaormjW2z+jc8ziT7+Ad7AYgfcr94qt3T9bcsIvP7wxijFcq2eintWPwV9R h9NDBQ418+xYiiUUejBRzwHz3FpqcI9ajeYTEMMNBlzGBWfEEj3gyD9yVrgKw2jw6zG/ HwWg== X-Forwarded-Encrypted: i=1; AJvYcCUol2MvKvULJ7ftE9yB0TxpKsHtgjythBSadv0jOeWPwWQBn6UYkZP2Y2H4vw7lvkIb9x0LqpTmozsBggafuw==@vger.kernel.org, AJvYcCV3AR8JudyKxtJ7yjwsKo8mxwMkIK0MJMXImyufIOPVmaC9DQ3ShjJuJQ1Bf37ZpiPzTP4jfBIKOYWz@vger.kernel.org, AJvYcCVoE/7/J8Cev4ZYiwKm2X/sJlMf/vfkGKRsGM5ooxb3oJ85EQWSTO1/NCrR16kYjqMA8D+I+lA+zLnQg/6F@vger.kernel.org X-Gm-Message-State: AOJu0YwOtyrl7r/lwgPL2Zlicxsvw9SMnDavCVX5VA42PpLsUIy35DBZ Dqv1x9+brW+8M5bwjQNJQJDJl1ghT/pKpIKwJNdd3m9DVBc5LGeB X-Google-Smtp-Source: AGHT+IGME9zrR7PEmCppueSU0EVvlvlY9LrKb85f85FZGjKra7l7vMMQegldnpEbAzUI5fVhjh2VUg== X-Received: by 2002:a17:906:c102:b0:aa4:7905:b823 with SMTP id a640c23a62f3a-aa4dd6b0c82mr252771066b.32.1732101651378; Wed, 20 Nov 2024 03:20:51 -0800 (PST) Received: from f.. (cst-prg-93-87.cust.vodafone.cz. [46.135.93.87]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aa20df5690csm758559566b.75.2024.11.20.03.20.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Nov 2024 03:20:50 -0800 (PST) From: Mateusz Guzik To: brauner@kernel.org Cc: viro@zeniv.linux.org.uk, jack@suse.cz, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, hughd@google.com, linux-ext4@vger.kernel.org, tytso@mit.edu, linux-mm@kvack.org, Mateusz Guzik Subject: [PATCH v3 2/3] ext4: use inode_set_cached_link() Date: Wed, 20 Nov 2024 12:20:35 +0100 Message-ID: <20241120112037.822078-3-mjguzik@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241120112037.822078-1-mjguzik@gmail.com> References: <20241120112037.822078-1-mjguzik@gmail.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Signed-off-by: Mateusz Guzik --- fs/ext4/inode.c | 3 ++- fs/ext4/namei.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 89aade6f45f6..7c54ae5fcbd4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5006,10 +5006,11 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, if (IS_ENCRYPTED(inode)) { inode->i_op = &ext4_encrypted_symlink_inode_operations; } else if (ext4_inode_is_fast_symlink(inode)) { - inode->i_link = (char *)ei->i_data; inode->i_op = &ext4_fast_symlink_inode_operations; nd_terminate_link(ei->i_data, inode->i_size, sizeof(ei->i_data) - 1); + inode_set_cached_link(inode, (char *)ei->i_data, + inode->i_size); } else { inode->i_op = &ext4_symlink_inode_operations; } diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index bcf2737078b8..536d56d15072 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3418,7 +3418,6 @@ static int ext4_symlink(struct mnt_idmap *idmap, struct inode *dir, inode->i_op = &ext4_symlink_inode_operations; } else { inode->i_op = &ext4_fast_symlink_inode_operations; - inode->i_link = (char *)&EXT4_I(inode)->i_data; } } @@ -3434,6 +3433,9 @@ static int ext4_symlink(struct mnt_idmap *idmap, struct inode *dir, disk_link.len); inode->i_size = disk_link.len - 1; EXT4_I(inode)->i_disksize = inode->i_size; + if (!IS_ENCRYPTED(inode)) + inode_set_cached_link(inode, (char *)&EXT4_I(inode)->i_data, + inode->i_size); } err = ext4_add_nondir(handle, dentry, &inode); if (handle)