path: root/sys-fs/lvm2/files/lvm2-2.02.45-device-mapper-export-format.patch

--- tools/dmsetup.c	2008-06-24 15:53:47.000000000 -0700
+++ tools/dmsetup.c	2008-06-28 01:53:56.048598048 -0700
@@ -108,6 +108,7 @@
 enum {
 	READ_ONLY = 0,
 	COLS_ARG,
+	EXPORT_ARG,
 	EXEC_ARG,
 	FORCE_ARG,
 	GID_ARG,
@@ -142,7 +143,8 @@
 	DR_TASK = 1,
 	DR_INFO = 2,
 	DR_DEPS = 4,
-	DR_TREE = 8	/* Complete dependency tree required */
+	DR_TREE = 8,	/* Complete dependency tree required */
+	DR_TABLE = 0x10, /* table is required, not just info */
 } report_type_t;
 
 static int _switches[NUM_SWITCHES];
@@ -1126,8 +1128,13 @@
 			name = argv[1];
 	}
 
-	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
-		return 0;
+	if (_report_type & DR_TABLE ) {
+		if (!(dmt = dm_task_create(DM_DEVICE_TABLE)))
+			return 0;
+	} else {
+		if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
+			return 0;
+	}
 
 	if (!_set_task_device(dmt, name, 0))
 		goto out;
@@ -1591,6 +1598,16 @@
 	return dm_report_field_uint32(rh, field, &value);
 }
 
+static int _int_disp(struct dm_report *rh,
+		      struct dm_pool *mem __attribute((unused)),
+		      struct dm_report_field *field, const void *data,
+		      void *private __attribute((unused)))
+{
+	const int value = *(const int *)data;
+
+	return dm_report_field_int(rh, field, &value);
+}
+
 static int _dm_name_disp(struct dm_report *rh,
 			 struct dm_pool *mem __attribute((unused)),
 			 struct dm_report_field *field, const void *data,
@@ -1702,6 +1719,66 @@
 }
 
 
+static int _dm_info_cleartext_status_disp(struct dm_report *rh,
+					 struct dm_pool *mem __attribute((unused)),
+					 struct dm_report_field *field, const void *data,
+					 void *private __attribute((unused)))
+{
+	const char *buf = "NOTPRESENT";
+	const struct dm_info *info = data;
+
+	if (info->exists) {
+		if (info->suspended)
+			buf = "SUSPENDED";
+		else
+			buf = info->read_only ? " READONLY" : "ACTIVE";
+	}
+		
+	return dm_report_field_string(rh, field, &buf);
+}
+
+static int _dm_info_target_types_disp(struct dm_report *rh,
+					 struct dm_pool *mem __attribute((unused)),
+					 struct dm_report_field *field, const void *data,
+					 void *private __attribute((unused)))
+{
+	char buf[1024];
+	char *dest = buf;
+	int remains = sizeof(buf);
+	int written;
+	const char *s = buf;
+	struct dm_task *dmt = (struct dm_task *) data;
+	void *next = NULL;
+	uint64_t start, length;
+	char *target_type = NULL;
+	char *params;
+
+
+	buf[0] = '\0';
+	
+	next = dm_get_next_target(dmt, next, &start, &length,
+				  &target_type, &params);
+	if (target_type) {
+		written = snprintf(dest, remains, "%s", target_type);
+		dest += written;
+		remains -= written;
+
+		while (remains > 0 && next) {
+			next = dm_get_next_target(dmt, next, &start, &length,
+						  &target_type, &params);
+			if (target_type) {
+				written = snprintf(dest, remains, ",%s", target_type);
+				dest += written;
+				remains -= written;
+			}
+		}
+	}
+
+	buf[sizeof(buf)-1] = '\0';
+	
+	return dm_report_field_string(rh, field, &s);
+}
+
 static int _dm_info_devno_disp(struct dm_report *rh, struct dm_pool *mem,
 			       struct dm_report_field *field, const void *data,
 			       void *private)
@@ -1925,6 +2002,7 @@
 	{ DR_INFO, "Mapped Device Information", "", _info_get_obj },
 	{ DR_DEPS, "Mapped Device Relationship Information", "", _deps_get_obj },
 	{ DR_TREE, "Mapped Device Relationship Information", "", _tree_get_obj },
+ 	{ DR_TABLE, "Mapped Device Table", "", _task_get_obj },
 	{ 0, "", "", NULL },
 };
 
@@ -1944,6 +2022,7 @@
 FIELD_F(TASK, NUM, "RAhead", 6, dm_read_ahead, "read_ahead", "Read ahead in sectors.")
 
 FIELD_F(INFO, STR, "Stat", 4, dm_info_status, "attr", "(L)ive, (I)nactive, (s)uspended, (r)ead-only, read-(w)rite.")
+FIELD_F(INFO, STR, "State", 1, dm_info_cleartext_status, "status", "State as cleartext.")
 FIELD_F(INFO, STR, "Tables", 6, dm_info_table_loaded, "tables_loaded", "Which of the live and inactive table slots are filled.")
 FIELD_F(INFO, STR, "Suspended", 9, dm_info_suspended, "suspended", "Whether the device is suspended.")
 FIELD_F(INFO, STR, "Read-only", 9, dm_info_read_only, "readonly", "Whether the device is read-only or writeable.")
@@ -1954,6 +2033,11 @@
 FIELD_O(INFO, dm_info, NUM, "Targ", target_count, 4, int32, "segments", "Number of segments in live table, if present.")
 FIELD_O(INFO, dm_info, NUM, "Event", event_nr, 6, uint32, "events", "Number of most recent event.")
 
+FIELD_O(INFO, dm_info, NUM, "RO", read_only, 2, int, "read_only", "Read only.")
+FIELD_O(INFO, dm_info, NUM, "Ex", exists, 2, int, "exists", "Exists.")
+FIELD_O(INFO, dm_info, NUM, "Susp", suspended, 4, int, "suspended", "Suspended.")
+FIELD_O(INFO, dm_info, NUM, "tab_live", live_table, 8, int, "table_live", "Live table.")
+FIELD_O(INFO, dm_info, NUM, "tab_inact", inactive_table, 9, int, "table_inactive", "Inactive table.")
 FIELD_O(DEPS, dm_deps, NUM, "#Devs", count, 5, int32, "device_count", "Number of devices used by this one.")
 FIELD_F(TREE, STR, "DevNames", 8, dm_deps_names, "devs_used", "List of names of mapped devices used by this one.")
 FIELD_F(DEPS, STR, "DevNos", 6, dm_deps, "devnos_used", "List of device numbers of devices used by this one.")
@@ -1961,6 +2045,7 @@
 FIELD_F(TREE, NUM, "#Refs", 5, dm_tree_parents_count, "device_ref_count", "Number of mapped devices referencing this one.")
 FIELD_F(TREE, STR, "RefNames", 8, dm_tree_parents_names, "names_using_dev", "List of names of mapped devices using this one.")
 FIELD_F(TREE, STR, "RefDevNos", 9, dm_tree_parents_devs, "devnos_using_dev", "List of device numbers of mapped devices using this one.")
+FIELD_F(TABLE, STR, "Targettypes", 32, dm_info_target_types, "target_types", "Used target types.")
 {0, 0, 0, 0, "", "", NULL, NULL},
 /* *INDENT-ON* */
 };
@@ -1971,13 +2056,15 @@
 #undef FIELD_F
 
 static const char *default_report_options = "name,major,minor,attr,open,segments,events,uuid";
+static const char *default_export_options = "name,major,minor,status,read_only,exists,suspended,table_live,table_inactive,open,segments,events,uuid,target_types";
 
 static int _report_init(struct command *c)
 {
-	char *options = (char *) default_report_options;
+	char *default_options = (char *) default_report_options;
+	char *options;
 	const char *keys = "";
 	const char *separator = " ";
-	int aligned = 1, headings = 1, buffered = 1, field_prefixes = 0;
+ 	int aligned = 1, headings = 1, buffered = 1, field_prefixes = 0, export = 0;
 	int quoted = 1, columns_as_rows = 0;
 	uint32_t flags = 0;
 	size_t len = 0;
@@ -2004,6 +2091,15 @@
 		field_prefixes = 1;
 	}
 
+	if (_switches[EXPORT_ARG]) {
+		default_options = (char *) default_export_options;
+		separator = "\n";
+		aligned = 0;
+		headings = 0;
+		export = 1;
+	}
+
+	options = default_options;
 	if (_switches[OPTIONS_ARG] && _string_args[OPTIONS_ARG]) {
 		if (*_string_args[OPTIONS_ARG] != '+')
 			options = _string_args[OPTIONS_ARG];
@@ -2055,6 +2151,9 @@
 	if (columns_as_rows)
 		flags |= DM_REPORT_OUTPUT_COLUMNS_AS_ROWS;
 
+	if (export)
+		flags |= DM_REPORT_OUTPUT_EXPORT;
+
 	if (!(_report = dm_report_init(&_report_type,
 				       _report_types, _report_fields,
 				       options, separator, flags, keys, NULL)))
@@ -2133,7 +2232,8 @@
 	fprintf(out, "dmsetup [--version] [-v|--verbose [-v|--verbose ...]]\n"
 		"        [-r|--readonly] [--noopencount] [--nolockfs]\n"
 		"        [--readahead [+]<sectors>|auto|none]\n"
-		"        [-c|-C|--columns] [-o <fields>] [-O|--sort <sort_fields>]\n"
+ 		"        [-c|-C|--columns] [-e|--export]\n"
+ 		"        [-o <fields>] [-O|--sort <sort_fields>]\n"
 		"        [--nameprefixes] [--noheadings] [--separator <separator>]\n\n");
 	for (i = 0; _commands[i].name; i++)
 		fprintf(out, "\t%s %s\n", _commands[i].name, _commands[i].help);
@@ -2484,6 +2584,7 @@
 	static struct option long_options[] = {
 		{"readonly", 0, &ind, READ_ONLY},
 		{"columns", 0, &ind, COLS_ARG},
+		{"export", 0, &ind, EXPORT_ARG},
 		{"exec", 1, &ind, EXEC_ARG},
 		{"force", 0, &ind, FORCE_ARG},
 		{"gid", 1, &ind, GID_ARG},
@@ -2566,12 +2667,16 @@
 
 	optarg = 0;
 	optind = OPTIND_INIT;
-	while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCfGj:m:Mno:O:ru:Uv",
+	while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCefGj:m:Mno:O:ru:Uv",
 					    long_options, NULL)) != -1) {
 		if (c == ':' || c == '?')
 			return 0;
 		if (c == 'c' || c == 'C' || ind == COLS_ARG)
 			_switches[COLS_ARG]++;
+		if (c == 'e' || ind == EXPORT_ARG) {
+			_switches[EXPORT_ARG]++;
+			_switches[COLS_ARG]++;
+		}
 		if (c == 'f' || ind == FORCE_ARG)
 			_switches[FORCE_ARG]++;
 		if (c == 'r' || ind == READ_ONLY)
diff -Nuar --exclude '*.rej' --exclude '*.orig' device-mapper.1.02.27.orig/lib/libdevmapper.h device-mapper.1.02.27/lib/libdevmapper.h
--- libdm/libdevmapper.h	2008-06-24 15:53:48.000000000 -0700
+++ libdm/libdevmapper.h	2008-06-28 01:54:55.588111461 -0700
@@ -742,6 +742,7 @@
 #define DM_REPORT_OUTPUT_FIELD_NAME_PREFIX	0x00000008
 #define DM_REPORT_OUTPUT_FIELD_UNQUOTED		0x00000010
 #define DM_REPORT_OUTPUT_COLUMNS_AS_ROWS	0x00000020
+#define DM_REPORT_OUTPUT_EXPORT				0x00000040
 
 struct dm_report *dm_report_init(uint32_t *report_types,
 				 const struct dm_report_object_type *types,
diff -Nuar --exclude '*.rej' --exclude '*.orig' device-mapper.1.02.27.orig/lib/libdm-report.c device-mapper.1.02.27/lib/libdm-report.c
--- libdm/libdm-report.c	2008-06-24 17:10:36.000000000 -0700
+++ libdm/libdm-report.c	2008-06-28 01:56:39.778466634 -0700
@@ -808,6 +809,8 @@
 	uint32_t align;
 	const char *repstr;
 	char buf[4096];
+	const char *fname;
+	char tmp_char;
 
 	if (rh->flags & DM_REPORT_OUTPUT_FIELD_NAME_PREFIX) {
 		if (!(field_id = strdup(rh->fields[field->props->field_num].id))) {
@@ -838,6 +841,25 @@
 			return 0;
 		}
 	}
+	if (rh->flags & DM_REPORT_OUTPUT_EXPORT) {
+		fname = rh->fields[field->props->field_num].id;
+		if (!dm_pool_grow_object(rh->mem, "DM_", strlen("DM_"))) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+		while (fname && fname[0]) {
+			tmp_char = toupper(fname[0]);
+			if (!dm_pool_grow_object(rh->mem, &tmp_char, 1)) {
+				log_error("dm_report: Unable to extend output line");
+				return 0;
+			}
+			fname++;
+		}
+		if (!dm_pool_grow_object(rh->mem, "=", strlen("="))) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+	}
 
 	repstr = field->report_string;
 	width = field->props->width;