[Ocfs2-tools-commits] smushran commits r1123 - in branches/ocfs2-tools-1.2/debugfs.ocfs2: . include

svn-commits at oss.oracle.com svn-commits at oss.oracle.com
Tue Nov 8 20:33:17 CST 2005


Author: smushran
Signed-off-by: mfasheh
Date: 2005-11-08 20:33:15 -0600 (Tue, 08 Nov 2005)
New Revision: 1123

Added:
   branches/ocfs2-tools-1.2/debugfs.ocfs2/find_inode_paths.c
   branches/ocfs2-tools-1.2/debugfs.ocfs2/include/find_inode_paths.h
Modified:
   branches/ocfs2-tools-1.2/debugfs.ocfs2/Makefile
   branches/ocfs2-tools-1.2/debugfs.ocfs2/commands.c
   branches/ocfs2-tools-1.2/debugfs.ocfs2/dump.c
   branches/ocfs2-tools-1.2/debugfs.ocfs2/include/dump.h
   branches/ocfs2-tools-1.2/debugfs.ocfs2/include/main.h
Log:
find_inode_paths added to debugfs as locate
Signed-Off-by: mfasheh

Modified: branches/ocfs2-tools-1.2/debugfs.ocfs2/Makefile
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/Makefile	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/Makefile	2005-11-09 02:33:15 UTC (rev 1123)
@@ -17,7 +17,7 @@
 CFLAGS = -Wall -O2
 endif
 
-CFILES = main.c commands.c dump.c utils.c journal.c
+CFILES = main.c commands.c dump.c utils.c journal.c find_inode_paths.c
 
 HFILES =			\
 	include/main.h		\

Modified: branches/ocfs2-tools-1.2/debugfs.ocfs2/commands.c
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/commands.c	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/commands.c	2005-11-09 02:33:15 UTC (rev 1123)
@@ -61,6 +61,7 @@
 static void do_chroot (char **args);
 static void do_slotmap (char **args);
 static void do_encode_lockres (char **args);
+static void do_locate (char **args);
 
 dbgfs_gbls gbls;
 
@@ -77,6 +78,7 @@
 	{ "hb",		do_hb },
 	{ "?",		do_help },
 	{ "lcd",	do_lcd },
+	{ "locate",	do_locate },
 	{ "logdump",	do_logdump },
 	{ "ls",		do_ls },
 	{ "open",	do_open },
@@ -587,6 +589,7 @@
 	printf ("group <block#>\t\t\t\tShow chain group\n");
 	printf ("help, ?\t\t\t\t\tThis information\n");
 	printf ("lcd <directory>\t\t\t\tChange directory on a mounted flesystem\n");
+	printf ("locate <filespec>\t\t\tList all paths to the inode\n");
 	printf ("logdump <slot#>\t\t\t\tPrints journal file for the node slot\n");
 	printf ("ls [-l] <filespec>\t\t\tList directory\n");
 	printf ("open <device>\t\t\t\tOpen a device\n");
@@ -1117,3 +1120,17 @@
 
 	return ;
 }
+
+/*
+ * do_locate()
+ *
+ */
+static void do_locate(char **args)
+{
+	uint64_t blkno;
+
+	if (process_inode_args(args, &blkno))
+		return ;
+
+	find_inode_paths(gbls.fs, args, blkno, stdout);
+}

Modified: branches/ocfs2-tools-1.2/debugfs.ocfs2/dump.c
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/dump.c	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/dump.c	2005-11-09 02:33:15 UTC (rev 1123)
@@ -592,3 +592,8 @@
 
 	return ;
 }
+
+void dump_inode_path (FILE *out, uint64_t blkno, char *path)
+{
+	fprintf (out, "\t%"PRIu64"\t%s\n", blkno, path);
+}

Added: branches/ocfs2-tools-1.2/debugfs.ocfs2/find_inode_paths.c
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/find_inode_paths.c	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/find_inode_paths.c	2005-11-09 02:33:15 UTC (rev 1123)
@@ -0,0 +1,133 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * find_inode_paths.c
+ *
+ * Takes an inode block number and find all paths leading to it.
+ *
+ * Copyright (C) 2004, 2005 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License, version 2,  as published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ *
+ *  This code is a port of e2fsprogs/lib/ext2fs/dir_iterate.c
+ *  Copyright (C) 1993, 1994, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ */
+
+#include <main.h>
+
+struct walk_path {
+	char *argv0;
+	FILE *out;
+	ocfs2_filesys *fs;
+	char *path;
+	int found;
+	uint64_t inode;
+};
+
+static int walk_tree_func(struct ocfs2_dir_entry *dentry, int offset,
+			  int blocksize, char *buf, void *priv_data)
+{
+	errcode_t ret;
+	int len, oldval;
+	int reti = 0;
+	char *old_path, *path;
+	struct walk_path *wp = priv_data;
+
+	if (!strncmp(dentry->name, ".", dentry->name_len) ||
+	    !strncmp(dentry->name, "..", dentry->name_len))
+		return 0;
+
+	len = strlen(wp->path);
+
+	if (len + dentry->name_len > 4095) {
+		com_err(wp->argv0, OCFS2_ET_NO_SPACE,
+			"name is too long in %s\n", wp->path);
+		return OCFS2_DIRENT_ABORT;
+	}
+
+	ret = ocfs2_malloc0(4096, &path);
+	if (ret) {
+		com_err(wp->argv0, ret,
+			"while allocating path memory in %s\n", wp->path);
+		return OCFS2_DIRENT_ABORT;
+	}
+	
+	memcpy(path, wp->path, len);
+	memcpy(path + len, dentry->name, dentry->name_len);
+	if (dentry->file_type == OCFS2_FT_DIR)
+		path[len + dentry->name_len] = '/';
+
+	oldval = 0;
+
+	if (dentry->inode == wp->inode) {
+		dump_inode_path (wp->out, dentry->inode, path);
+		++wp->found;
+	}
+
+	if (dentry->file_type == OCFS2_FT_DIR) {
+		old_path = wp->path;
+		wp->path = path;
+		ret = ocfs2_dir_iterate(wp->fs, dentry->inode, 0, NULL,
+					walk_tree_func, wp);
+		if (ret) {
+			com_err(wp->argv0, ret, "while walking %s", wp->path);
+			reti = OCFS2_DIRENT_ABORT;
+		}
+		wp->path = old_path;
+	}
+
+	ocfs2_free(&path);
+
+	return reti;
+}
+
+errcode_t find_inode_paths(ocfs2_filesys *fs, char **args, uint64_t blkno,
+			   FILE *out)
+{
+	errcode_t ret = 0;
+	struct walk_path wp;
+
+	wp.argv0 = args[0];
+	wp.out = out;
+	wp.found = 0;
+	wp.inode = blkno;
+	wp.fs = fs;
+
+	/* Walk system dir */
+	wp.path = "//";
+	ret = ocfs2_dir_iterate(fs,
+				OCFS2_RAW_SB(fs->fs_super)->s_system_dir_blkno,
+				0, NULL, walk_tree_func, &wp);
+	if (ret) {
+		com_err(args[0], ret, "while walking system dir");
+		goto bail;
+	}
+
+	/* Walk root dir */
+	wp.path = "/";
+	ret = ocfs2_dir_iterate(fs,
+				OCFS2_RAW_SB(fs->fs_super)->s_root_blkno,
+				0, NULL, walk_tree_func, &wp);
+	if (ret) {
+		com_err(args[0], ret, "while walking root dir");
+		goto bail;
+	}
+
+	if (!wp.found)
+		com_err(args[0], OCFS2_ET_FILE_NOT_FOUND, " ");
+
+bail:
+	return ret;
+}

Modified: branches/ocfs2-tools-1.2/debugfs.ocfs2/include/dump.h
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/include/dump.h	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/include/dump.h	2005-11-09 02:33:15 UTC (rev 1123)
@@ -51,5 +51,6 @@
 void dump_slots (FILE *out, char *buf, uint32_t len);
 void dump_fast_symlink (FILE *out, char *link);
 void dump_hb (FILE *out, char *buf, uint32_t len);
+void dump_inode_path (FILE *out, uint64_t blkno, char *path);
 
 #endif		/* __DUMP_H__ */

Added: branches/ocfs2-tools-1.2/debugfs.ocfs2/include/find_inode_paths.h
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/include/find_inode_paths.h	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/include/find_inode_paths.h	2005-11-09 02:33:15 UTC (rev 1123)
@@ -0,0 +1,31 @@
+/*
+ * find_inode_path.h
+ *
+ * Function prototypes, macros, etc. for related 'C' files
+ *
+ * Copyright (C) 2005 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ *
+ */
+
+#ifndef _FIND_INODE_PATH_H_
+#define _FIND_INODE_PATH_H_
+
+errcode_t find_inode_paths(ocfs2_filesys *fs, char **args, uint64_t blkno,
+			   FILE *out);
+
+#endif		/* _FIND_INODE_PATH_H_ */

Modified: branches/ocfs2-tools-1.2/debugfs.ocfs2/include/main.h
===================================================================
--- branches/ocfs2-tools-1.2/debugfs.ocfs2/include/main.h	2005-11-09 02:31:41 UTC (rev 1122)
+++ branches/ocfs2-tools-1.2/debugfs.ocfs2/include/main.h	2005-11-09 02:33:15 UTC (rev 1123)
@@ -156,6 +156,7 @@
 #include <kernel-list.h>
 #include <utils.h>
 #include <journal.h>
+#include <find_inode_paths.h>
 #include <dump.h>
 
 #endif		/* __MAIN_H__ */



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