{"id":2223443,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2223443/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260415105505.342358-3-yebin@huaweicloud.com/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.2/projects/8/?format=json","name":"Linux ext4 filesystem development","link_name":"linux-ext4","list_id":"linux-ext4.vger.kernel.org","list_email":"linux-ext4@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260415105505.342358-3-yebin@huaweicloud.com>","list_archive_url":null,"date":"2026-04-15T10:55:03","name":"[v2,2/4] ext4: skip cursor node in ext4_orphan_del()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5ee2ad8a78eb8b18dda47545ad07f719257fb1f2","submitter":{"id":85089,"url":"http://patchwork.ozlabs.org/api/1.2/people/85089/?format=json","name":"Ye Bin","email":"yebin@huaweicloud.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260415105505.342358-3-yebin@huaweicloud.com/mbox/","series":[{"id":499966,"url":"http://patchwork.ozlabs.org/api/1.2/series/499966/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=499966","date":"2026-04-15T10:55:03","name":"show orphan file inode detail info","version":2,"mbox":"http://patchwork.ozlabs.org/series/499966/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223443/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223443/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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gandalf.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=huaweicloud.com;\n spf=pass (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-ext4+bounces-15842-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org","i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=huaweicloud.com;\n spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56"],"From":"Ye Bin ","To":"tytso@mit.edu,\n\tadilger.kernel@dilger.ca,\n\tlinux-ext4@vger.kernel.org","Cc":"jack@suse.cz","Subject":"[PATCH v2 2/4] ext4: skip cursor node in ext4_orphan_del()","Date":"Wed, 15 Apr 2026 18:55:03 +0800","Message-Id":"<20260415105505.342358-3-yebin@huaweicloud.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20260415105505.342358-1-yebin@huaweicloud.com>","References":"<20260415105505.342358-1-yebin@huaweicloud.com>","Precedence":"bulk","X-Mailing-List":"linux-ext4@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"_Ch0CgAHtL0fb99pbf70AQ--.45727S6","X-Coremail-Antispam":"1UD129KBjvJXoW7AFy5uw45JFWUuF4ktrW3GFg_yoW8Xw48pF\n\tW3GF98Ja1UGFyS9a93tFWjqFn3t3WxW3yjqFWSk340qFy3XrWDtF18K3W5ZFn5JrW8Gr1j\n\tgr48WFWYgF4jvrJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDU0xBIdaVrnRJUUUvlb4IE77IF4wAFF20E14v26ryj6rWUM7CY07I20VC2zVCF04k2\n\t6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXw\n\tA2048vs2IY020Ec7CjxVAFwI0_JFI_Gr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS\n\tw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV\n\tWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_\n\tGcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx\n\t0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWU\n\tJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJV\n\tW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF\n\t1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6x\n\tIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvE\n\tx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvj\n\tDU0xZFpf9x07URpBfUUUUU=","X-CM-SenderInfo":"p1hex046kxt4xhlfz01xgou0bp/","X-Spam-Status":"No, score=-1.1 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDMARC_MISSING,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"From: Ye Bin \n\nThis patch is prepared for displaying orphan_list information. Because\ntemporary nodes may be inserted when the orphan_list is traversed and\ndisplayed, these temporary nodes need to be skipped.\n\nSigned-off-by: Ye Bin \n---\n fs/ext4/orphan.c | 20 +++++++++++++++++++-\n 1 file changed, 19 insertions(+), 1 deletion(-)","diff":"diff --git a/fs/ext4/orphan.c b/fs/ext4/orphan.c\nindex f7e7f77e021e..a6bffe67ef75 100644\n--- a/fs/ext4/orphan.c\n+++ b/fs/ext4/orphan.c\n@@ -220,6 +220,23 @@ static int ext4_orphan_file_del(handle_t *handle, struct inode *inode)\n \treturn ret;\n }\n \n+static inline bool ext4_is_cursor(struct inode *inode)\n+{\n+\treturn (inode->i_ino == 0);\n+}\n+\n+static inline struct list_head *ext4_orphan_prev_node(\n+\t\t\t\t\tstruct ext4_inode_info *pos,\n+\t\t\t\t\tstruct list_head *head)\n+{\n+\tlist_for_each_entry_continue_reverse(pos, head, i_orphan) {\n+\t\tif (likely(!ext4_is_cursor(&pos->vfs_inode)))\n+\t\t\treturn &pos->i_orphan;\n+\t}\n+\n+\treturn head;\n+}\n+\n /*\n * ext4_orphan_del() removes an unlinked or truncated inode from the list\n * of such inodes stored on disk, because it is finally being cleaned up.\n@@ -253,7 +270,8 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)\n \tmutex_lock(&sbi->s_orphan_lock);\n \text4_debug(\"remove inode %llu from orphan list\\n\", inode->i_ino);\n \n-\tprev = ei->i_orphan.prev;\n+\tprev = ext4_orphan_prev_node(ei, &sbi->s_orphan);\n+\n \tlist_del_init(&ei->i_orphan);\n \n \t/* If we're on an error path, we may not have a valid\n","prefixes":["v2","2/4"]}