From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE7B1C001B0 for ; Mon, 14 Aug 2023 03:43:05 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4RPKx43qsQz3bY3 for ; Mon, 14 Aug 2023 13:43:04 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.124; helo=out30-124.freemail.mail.aliyun.com; envelope-from=jefflexu@linux.alibaba.com; receiver=lists.ozlabs.org) Received: from out30-124.freemail.mail.aliyun.com (out30-124.freemail.mail.aliyun.com [115.124.30.124]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4RPKwp4YKCz2yps for ; Mon, 14 Aug 2023 13:42:49 +1000 (AEST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R711e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046050;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=2;SR=0;TI=SMTPD_---0VpekUye_1691984563; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0VpekUye_1691984563) by smtp.aliyun-inc.com; Mon, 14 Aug 2023 11:42:43 +0800 From: Jingbo Xu To: xiang@kernel.org, linux-erofs@lists.ozlabs.org Subject: [PATCH 03/13] erofs-utils: lib: read i_ino in erofs_read_inode_from_disk() Date: Mon, 14 Aug 2023 11:42:29 +0800 Message-Id: <20230814034239.54660-4-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20230814034239.54660-1-jefflexu@linux.alibaba.com> References: <20230814034239.54660-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" i_ino[0] is a unique inode serial number in the erofs filesystem where the inode resides, and also serves as the on-disk inode number, while i_ino[1] is a unique number identifying the source inode in the source directory, which is usually derived from st->st_ino. Read on-disk ino and store it in i_ino[0] given the above background. Signed-off-by: Jingbo Xu --- lib/namei.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/namei.c b/lib/namei.c index 1023a9a..2bb1d4c 100644 --- a/lib/namei.c +++ b/lib/namei.c @@ -60,6 +60,7 @@ int erofs_read_inode_from_disk(struct erofs_inode *vi) die = (struct erofs_inode_extended *)buf; vi->xattr_isize = erofs_xattr_ibody_size(die->i_xattr_icount); vi->i_mode = le16_to_cpu(die->i_mode); + vi->i_ino[0] = le32_to_cpu(die->i_ino); switch (vi->i_mode & S_IFMT) { case S_IFREG: @@ -95,6 +96,7 @@ int erofs_read_inode_from_disk(struct erofs_inode *vi) vi->inode_isize = sizeof(struct erofs_inode_compact); vi->xattr_isize = erofs_xattr_ibody_size(dic->i_xattr_icount); vi->i_mode = le16_to_cpu(dic->i_mode); + vi->i_ino[0] = le32_to_cpu(dic->i_ino); switch (vi->i_mode & S_IFMT) { case S_IFREG: -- 2.19.1.6.gb485710b