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dmsetup: improve help text

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This commit is contained in:
Zdenek Kabelac 2015-09-18 14:37:50 +02:00
parent 791e76ff70
commit f9c8cefd06
2 changed files with 20 additions and 16 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.109 -
======================================
Improve help text for dmsetup.
Use --noflush and --nolockfs when removing device with --force.
Parse new Overflow status string for snapshot target.
Check dir path components are valid if using dm_create_dir, error out if not.

35
tools/dmsetup.c
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@ -5110,21 +5110,24 @@ static struct command _dmsetup_commands[] = {
{"create", "<dev_name>\n"
"\t [-j|--major <major> -m|--minor <minor>]\n"
"\t [-U|--uid <uid>] [-G|--gid <gid>] [-M|--mode <octal_mode>]\n"
"\t [-u|uuid <uuid>] [{--addnodeonresume|--addnodeoncreate}]\n"
"\t [--notable | --table <table> | <table_file>]", 1, 2, 0, 0, _create},
{"remove", "[-f|--force] [--deferred] <device>", 0, -1, 1, 0, _remove},
"\t [-u|uuid <uuid>] [--addnodeonresume|--addnodeoncreate]\n"
"\t [--readahead {[+]<sectors>|auto|none}]\n"
"\t [-n|--notable|--table {<table>|<table_file>}]", 1, 2, 0, 0, _create},
{"remove", "[--deferred] [-f|--force] [--retry] <device>", 0, -1, 1, 0, _remove},
{"remove_all", "[-f|--force]", 0, 0, 0, 0, _remove_all},
{"suspend", "[--noflush] <device>", 0, -1, 1, 0, _suspend},
{"resume", "<device> [{--addnodeonresume|--addnodeoncreate}]", 0, -1, 1, 0, _resume},
{"load", "<device> [<table_file>]", 0, 2, 0, 0, _load},
{"suspend", "[--noflush] [--nolockfs] <device>", 0, -1, 1, 0, _suspend},
{"resume", "[--noflush] [--nolockfs] <device>\n"
"\t [--addnodeonresume|--addnodeoncreate]\n"
"\t [--readahead {[+]<sectors>|auto|none}]", 0, -1, 1, 0, _resume},
{"load", "<device> [<table>|<table_file>]", 0, 2, 0, 0, _load},
{"clear", "<device>", 0, -1, 1, 0, _clear},
{"reload", "<device> [<table_file>]", 0, 2, 0, 0, _load},
{"wipe_table", "<device>", 1, -1, 1, 0, _error_device},
{"reload", "<device> [<table>|<table_file>]", 0, 2, 0, 0, _load},
{"wipe_table", "[-f|--force] [--noflush] [--nolockfs] <device>", 1, -1, 1, 0, _error_device},
{"rename", "<device> [--setuuid] <new_name_or_uuid>", 1, 2, 0, 0, _rename},
{"message", "<device> <sector> <message>", 2, -1, 0, 0, _message},
{"ls", "[--target <target_type>] [--exec <command>] [-o options] [--tree]", 0, 0, 0, 0, _ls},
{"ls", "[--target <target_type>] [--exec <command>] [-o <options>] [--tree]", 0, 0, 0, 0, _ls},
{"info", "[<device>]", 0, -1, 1, 0, _info},
{"deps", "[-o options] [<device>]", 0, -1, 1, 0, _deps},
{"deps", "[-o <options>] [<device>]", 0, -1, 1, 0, _deps},
{"stats", "<command> [<options>] [<devices>]", 1, -1, 1, 1, _stats},
{"status", "[<device>] [--noflush] [--target <target_type>]", 0, -1, 1, 0, _status},
{"table", "[<device>] [--target <target_type>] [--showkeys]", 0, -1, 1, 0, _status},
@ -5135,7 +5138,7 @@ static struct command _dmsetup_commands[] = {
{"udevreleasecookie", "[<cookie>]", 0, 1, 0, 0, _udevreleasecookie},
{"udevflags", "<cookie>", 1, 1, 0, 0, _udevflags},
{"udevcomplete", "<cookie>", 1, 1, 0, 0, _udevcomplete},
{"udevcomplete_all", "<age_in_minutes>", 0, 1, 0, 0, _udevcomplete_all},
{"udevcomplete_all", "[<age_in_minutes>]", 0, 1, 0, 0, _udevcomplete_all},
{"udevcookies", "", 0, 0, 0, 0, _udevcookies},
{"targets", "", 0, 0, 0, 0, _targets},
{"version", "", 0, 0, 0, 0, _version},
@ -5185,11 +5188,11 @@ static void _dmsetup_usage(FILE *out)
fprintf(out, "Usage:\n\n");
fprintf(out, "%s\n"
" [--version] [-h|--help [-c|-C|--columns]]\n"
" [-v|--verbose [-v|--verbose ...]]\n"
" [--checks] [--manglename <mangling_mode>]\n"
" [-r|--readonly] [--noopencount] [--nolockfs] [--inactive]\n"
" [--udevcookie [cookie]] [--noudevrules] [--noudevsync] [--verifyudev]\n"
" [-y|--yes] [--readahead [+]<sectors>|auto|none] [--retry]\n"
" [-v|--verbose [-v|--verbose ...]] [-f|--force]\n"
" [--checks] [--manglename {none|hex|auto}]\n"
" [-r|--readonly] [--noopencount] [--noflush] [--nolockfs] [--inactive]\n"
" [--udevcookie <cookie>] [--noudevrules] [--noudevsync] [--verifyudev]\n"
" [-y|--yes] [--readahead {[+]<sectors>|auto|none}] [--retry]\n"
" [-c|-C|--columns] [-o <fields>] [-O|--sort <sort_fields>]\n"
" [-S|--select <selection>] [--nameprefixes] [--noheadings]\n"
" [--separator <separator>]\n\n",