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GET /api/1.0/patches/2219516/?format=api
{ "id": 2219516, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2219516/?format=api", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.0/projects/8/?format=api", "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 }, "msgid": "<20260403082507.1882703-3-yebin@huaweicloud.com>", "date": "2026-04-03T08:25:06", "name": "[2/3] ext4: show inode orphan list detail information", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "98b532c697c699b479255e72b1c6afdbaf5a997b", "submitter": { "id": 85089, "url": "http://patchwork.ozlabs.org/api/1.0/people/85089/?format=api", "name": "Ye Bin", "email": "yebin@huaweicloud.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260403082507.1882703-3-yebin@huaweicloud.com/mbox/", "series": [ { "id": 498600, "url": "http://patchwork.ozlabs.org/api/1.0/series/498600/?format=api", "date": "2026-04-03T08:25:07", "name": "show orphan file inode detail info", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498600/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219516/checks/", "tags": {}, "headers": { "Return-Path": "\n <SRS0=YC0r=CC=vger.kernel.org=linux-ext4+bounces-15620-patchwork-incoming=ozlabs.org@ozlabs.org>", "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-15620-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=none smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51" ], "From": "Ye Bin <yebin@huaweicloud.com>", "To": "tytso@mit.edu,\n\tadilger.kernel@dilger.ca,\n\tlinux-ext4@vger.kernel.org", "Cc": "jack@suse.cz", "Subject": "[PATCH 2/3] ext4: show inode orphan list detail information", "Date": "Fri, 3 Apr 2026 16:25:06 +0800", "Message-Id": "<20260403082507.1882703-3-yebin@huaweicloud.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260403082507.1882703-1-yebin@huaweicloud.com>", "References": "<20260403082507.1882703-1-yebin@huaweicloud.com>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "gCh0CgDHn0roec9pD5T6DA--.40142S6", "X-Coremail-Antispam": "1UD129KBjvJXoWxJFy3Zr1kur48Jr1DGry5twb_yoWrGr43pF\n\tW5J34rAa1rWF93WF4fJF4UZFn3K3WxG3y7Xr9a93yYqryUXrWktF18t3WUZFy5ArW8Gwn0\n\tqws0gFy5Kr18urJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDU0xBIdaVrnRJUUUvGb4IE77IF4wAFF20E14v26ryj6rWUM7CY07I20VC2zVCF04k2\n\t6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXw\n\tA2048vs2IY020Ec7CjxVAFwI0_JFI_Gr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS\n\tw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV\n\tW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2\n\t6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc\n\tIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_\n\tJr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr\n\t0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY\n\t17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcV\n\tC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY\n\t6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa\n\t73UjIFyTuYvjxUzMKuUUUUU", "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 <yebin10@huawei.com>\n\nSome inodes added to the orphan list are due to truncation, while others\nare due to deletion.Therefore, we printed the information of inode as\nfollows: inode number/i_nlink/i_size/i_blocks/projid/file path. By using\nthis information, it is possible to quickly identify files that have been\ndeleted but are still being referenced.\n\nSigned-off-by: Ye Bin <yebin10@huawei.com>\n---\n fs/ext4/orphan.c | 88 ++++++++++++++++++++++++++++++++++++++++++++++--\n 1 file changed, 86 insertions(+), 2 deletions(-)", "diff": "diff --git a/fs/ext4/orphan.c b/fs/ext4/orphan.c\nindex 1d231aeaf282..272de32d1a47 100644\n--- a/fs/ext4/orphan.c\n+++ b/fs/ext4/orphan.c\n@@ -662,25 +662,108 @@ int ext4_orphan_file_empty(struct super_block *sb)\n \n struct ext4_proc_orphan {\n \tstruct ext4_inode_info cursor;\n+\tbool print_title;\n };\n \n-static void *ext4_orphan_seq_start(struct seq_file *seq, loff_t *pos)\n+static inline bool ext4_is_cursor(struct ext4_inode_info *inode)\n+{\n+\treturn (inode->vfs_inode.i_ino == 0);\n+}\n+\n+static struct inode *ext4_list_next(struct list_head *head, struct list_head *p)\n {\n+\tstruct ext4_inode_info *inode;\n+\n+\tlist_for_each_continue(p, head) {\n+\t\tinode = list_entry(p, typeof(*inode), i_orphan);\n+\t\tif (!ext4_is_cursor(inode))\n+\t\t\treturn &inode->vfs_inode;\n+\t}\n+\n \treturn NULL;\n }\n \n+static void *ext4_orphan_seq_start(struct seq_file *seq, loff_t *pos)\n+{\n+\tstruct ext4_proc_orphan *s = seq->private;\n+\tstruct super_block *sb = pde_data(file_inode(seq->file));\n+\tstruct ext4_sb_info *sbi = EXT4_SB(sb);\n+\tstruct list_head *prev;\n+\n+\tmutex_lock(&sbi->s_orphan_lock);\n+\n+\tif (!*pos) {\n+\t\tprev = &sbi->s_orphan;\n+\t} else {\n+\t\tprev = &s->cursor.i_orphan;\n+\t\tif (list_empty(prev))\n+\t\t\treturn NULL;\n+\t}\n+\n+\treturn ext4_list_next(&sbi->s_orphan, prev);\n+}\n+\n static void *ext4_orphan_seq_next(struct seq_file *seq, void *v, loff_t *pos)\n {\n-\treturn NULL;\n+\tstruct super_block *sb = pde_data(file_inode(seq->file));\n+\tstruct ext4_sb_info *sbi = EXT4_SB(sb);\n+\tstruct inode *inode = v;\n+\n+\t++*pos;\n+\n+\treturn ext4_list_next(&sbi->s_orphan, &EXT4_I(inode)->i_orphan);\n+}\n+\n+static void ext4_show_filename(struct seq_file *seq, struct inode *inode)\n+{\n+\tstruct dentry *dentry;\n+\n+\tdentry = d_find_alias(inode);\n+\tif (!dentry)\n+\t\tdentry = d_find_any_alias(inode);\n+\n+\tif (dentry)\n+\t\tseq_dentry(seq, dentry, \"\\t\\n\\\\\");\n+\telse\n+\t\tseq_puts(seq, \"unknown\");\n+\n+\tdput(dentry);\n+\tseq_putc(seq, '\\n');\n }\n \n static int ext4_orphan_seq_show(struct seq_file *seq, void *v)\n {\n+\tstruct inode *inode = v;\n+\tstruct ext4_proc_orphan *s = seq->private;\n+\n+\tif (s->print_title) {\n+\t\tseq_puts(seq, \"INO\\tNLINK\\tSIZE\\tBLOCKS\\tPROJID\\tPATH\\n\");\n+\t\ts->print_title = false;\n+\t}\n+\n+\tseq_printf(seq, \"%llu\\t%u\\t%llu\\t%llu\\t%u\\t\",\n+\t\t inode->i_ino, inode->i_nlink,\n+\t\t i_size_read(inode), inode->i_blocks,\n+\t\t __kprojid_val(EXT4_I(inode)->i_projid));\n+\n+\text4_show_filename(seq, inode);\n+\n \treturn 0;\n }\n \n static void ext4_orphan_seq_stop(struct seq_file *seq, void *v)\n {\n+\tstruct super_block *sb = pde_data(file_inode(seq->file));\n+\tstruct ext4_sb_info *sbi = EXT4_SB(sb);\n+\tstruct inode *inode = v;\n+\tstruct ext4_proc_orphan *s = seq->private;\n+\n+\tif (inode)\n+\t\tlist_move_tail(&s->cursor.i_orphan, &EXT4_I(inode)->i_orphan);\n+\telse\n+\t\tlist_del_init(&s->cursor.i_orphan);\n+\n+\tmutex_unlock(&sbi->s_orphan_lock);\n }\n \n const struct seq_operations ext4_orphan_seq_ops = {\n@@ -703,6 +786,7 @@ static int ext4_seq_orphan_open(struct inode *inode, struct file *file)\n \t\tprivate = m->private;\n \t\tINIT_LIST_HEAD(&private->cursor.i_orphan);\n \t\tprivate->cursor.vfs_inode.i_ino = 0;\n+\t\tprivate->print_title = true;\n \t}\n \n \treturn rc;\n", "prefixes": [ "2/3" ] }