diff options
Diffstat (limited to 'sys-fs/lvm2/files/lvm2-2.02.48-device-mapper-export-format.patch')
| -rw-r--r-- | sys-fs/lvm2/files/lvm2-2.02.48-device-mapper-export-format.patch | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/sys-fs/lvm2/files/lvm2-2.02.48-device-mapper-export-format.patch b/sys-fs/lvm2/files/lvm2-2.02.48-device-mapper-export-format.patch new file mode 100644 index 000000000000..6e73d414802a --- /dev/null +++ b/sys-fs/lvm2/files/lvm2-2.02.48-device-mapper-export-format.patch @@ -0,0 +1,306 @@ +Add support for exporting the device-mapper table to userspace. + +Original patch written by Matthias Schwarzott <zzam@gentoo.org>, in response to +Gentoo bug #189404. + +This makes it possible to have udev rules based on the properties of the +device-mapper node, such as target types, suspended status etc. + +Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> + +diff -Nuar --exclude '*.rej' --exclude '*.orig' LVM2.2.02.48.orig/libdm/libdevmapper.h LVM2.2.02.48/libdm/libdevmapper.h +--- LVM2.2.02.48.orig/libdm/libdevmapper.h 2009-06-17 13:55:24.000000000 -0700 ++++ LVM2.2.02.48/libdm/libdevmapper.h 2009-07-05 14:16:14.331690820 -0700 +@@ -953,6 +953,7 @@ + #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' LVM2.2.02.48.orig/libdm/libdm-report.c LVM2.2.02.48/libdm/libdm-report.c +--- LVM2.2.02.48.orig/libdm/libdm-report.c 2009-02-09 01:45:49.000000000 -0800 ++++ LVM2.2.02.48/libdm/libdm-report.c 2009-07-05 14:16:14.331690820 -0700 +@@ -891,6 +891,8 @@ + 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))) { +@@ -921,6 +923,25 @@ + 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; +diff -Nuar --exclude '*.rej' --exclude '*.orig' LVM2.2.02.48.orig/tools/dmsetup.c LVM2.2.02.48/tools/dmsetup.c +--- LVM2.2.02.48.orig/tools/dmsetup.c 2009-06-03 13:44:49.000000000 -0700 ++++ LVM2.2.02.48/tools/dmsetup.c 2009-07-05 14:22:41.972149507 -0700 +@@ -107,6 +107,7 @@ + enum { + READ_ONLY = 0, + COLS_ARG, ++ EXPORT_ARG, + EXEC_ARG, + FORCE_ARG, + GID_ARG, +@@ -142,7 +143,8 @@ + DR_INFO = 2, + DR_DEPS = 4, + DR_TREE = 8, /* Complete dependency tree required */ +- DR_NAME = 16 ++ DR_NAME = 16, ++ DR_TABLE = 0x20, /* table is required, not just info */ + } report_type_t; + + static int _switches[NUM_SWITCHES]; +@@ -1217,8 +1219,13 @@ + 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; +@@ -1682,6 +1689,16 @@ + 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, +@@ -1793,6 +1810,66 @@ + } + + ++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, ¶ms); ++ 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, ¶ms); ++ 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) +@@ -2057,6 +2134,7 @@ + { DR_DEPS, "Mapped Device Relationship Information", "", _deps_get_obj }, + { DR_TREE, "Mapped Device Relationship Information", "", _tree_get_obj }, + { DR_NAME, "Mapped Device Name Components", "", _split_name_get_obj }, ++ { DR_TABLE, "Mapped Device Table", "", _task_get_obj }, + { 0, "", "", NULL }, + }; + +@@ -2076,6 +2154,7 @@ + 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.") +@@ -2086,6 +2165,11 @@ + 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.") +@@ -2093,6 +2177,7 @@ + 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.") + + FIELD_O(NAME, dm_split_name, STR, "Subsys", subsystem, 6, dm_subsystem, "subsystem", "Userspace subsystem responsible for this device.") + FIELD_O(NAME, dm_split_name, STR, "VG", vg_name, 4, dm_vg_name, "vg_name", "LVM Volume Group name.") +@@ -2109,14 +2194,16 @@ + #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 const char *splitname_report_options = "vg_name,lv_name,lv_layer"; + + 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; +@@ -2146,6 +2233,15 @@ + 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]; +@@ -2197,6 +2293,9 @@ + 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))) +@@ -2276,7 +2375,8 @@ + 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); +@@ -2532,7 +2632,7 @@ + show_all++; + if (c == 'd') + delete++; +- if (c == 'e') ++ if (c == 'E') + encrypt_loop++; + if (c == 'f') + find++; +@@ -2627,6 +2727,7 @@ + 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}, +@@ -2709,12 +2810,16 @@ + + optarg = 0; + optind = OPTIND_INIT; +- while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCfG:j:m:M:no:O:ru:U:v", ++ while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCefG:j:m:M:no:O:ru:U:v", + 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) |