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command struct: remove command name refs

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Change run time access to the command_name struct
cmd->cname instead of indirectly through
cmd->command->cname. This removes the two run time
fields from struct command.
This commit is contained in:
David Teigland 2017-01-13 15:08:51 -06:00
parent d9d5b8414b
commit 013c080756
8 changed files with 26 additions and 30 deletions
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1
lib/commands/toolcontext.h
View File

@ -89,6 +89,7 @@ struct cmd_context {
*/
const char *cmd_line;
const char *name; /* needed before cmd->command is set */
struct command_name *cname;
struct command *command;
char **argv;
struct arg_values *opt_arg_values;

4
tools/command.h
View File

@ -164,13 +164,9 @@ struct command {
const char *command_line_id;
int command_line_enum; /* <command_line_id>_CMD */
struct command_name *cname;
command_fn fn; /* old style */
struct command_function *functions; /* new style */
unsigned int flags; /* copied from command_name.flags from commands.h */
unsigned int cmd_flags; /* CMD_FLAG_ */
/* definitions of opt/pos args */

4
tools/lvconvert.c
View File

@ -4512,7 +4512,7 @@ static int _lvconvert_merge_mirror_images_single(struct cmd_context *cmd,
int lvconvert_merge_mirror_images_cmd(struct cmd_context *cmd, int argc, char **argv)
{
/* arg can be a VG name, which is the standard option usage */
cmd->command->flags &= ~GET_VGNAME_FROM_OPTIONS;
cmd->cname->flags &= ~GET_VGNAME_FROM_OPTIONS;
return process_each_lv(cmd, cmd->position_argc, cmd->position_argv, NULL, NULL, READ_FOR_UPDATE,
NULL, &_lvconvert_visible_check, &_lvconvert_merge_mirror_images_single);
@ -4552,7 +4552,7 @@ int lvconvert_merge_cmd(struct cmd_context *cmd, int argc, char **argv)
handle->custom_handle = &lr;
cmd->command->flags &= ~GET_VGNAME_FROM_OPTIONS;
cmd->cname->flags &= ~GET_VGNAME_FROM_OPTIONS;
ret = process_each_lv(cmd, cmd->position_argc, cmd->position_argv, NULL, NULL, READ_FOR_UPDATE,
handle, NULL, &_lvconvert_merge_generic_single);

23
tools/lvmcmdline.c
View File

@ -1092,7 +1092,6 @@ static void _define_commands(void)
void lvm_register_commands(void)
{
struct command_name *cname;
int i;
memset(&commands, 0, sizeof(commands));
@ -1102,13 +1101,8 @@ void lvm_register_commands(void)
_cmdline.commands = commands;
_cmdline.num_commands = COMMAND_COUNT;
for (i = 0; i < COMMAND_COUNT; i++) {
if (!(cname = _find_command_name(commands[i].name)))
log_error(INTERNAL_ERROR "Failed to find command name %s.", commands[i].name);
commands[i].cname = cname;
commands[i].flags = cname->flags;
for (i = 0; i < COMMAND_COUNT; i++)
commands[i].functions = _find_command_function(commands[i].command_line_enum);
}
_cmdline.command_names = command_names;
@ -2193,7 +2187,7 @@ static int _get_settings(struct cmd_context *cmd)
cmd->current_settings.archive = arg_int_value(cmd, autobackup_ARG, cmd->current_settings.archive);
cmd->current_settings.backup = arg_int_value(cmd, autobackup_ARG, cmd->current_settings.backup);
cmd->current_settings.cache_vgmetadata = cmd->command->flags & CACHE_VGMETADATA ? 1 : 0;
cmd->current_settings.cache_vgmetadata = cmd->cname->flags & CACHE_VGMETADATA ? 1 : 0;
if (arg_is_set(cmd, readonly_ARG)) {
cmd->current_settings.activation = 0;
@ -2201,7 +2195,7 @@ static int _get_settings(struct cmd_context *cmd)
cmd->current_settings.backup = 0;
}
if (cmd->command->flags & LOCKD_VG_SH)
if (cmd->cname->flags & LOCKD_VG_SH)
cmd->lockd_vg_default_sh = 1;
cmd->partial_activation = 0;
@ -2613,7 +2607,7 @@ static int _init_lvmlockd(struct cmd_context *cmd)
static int _cmd_no_meta_proc(struct cmd_context *cmd)
{
return cmd->command->flags & NO_METADATA_PROCESSING;
return cmd->cname->flags & NO_METADATA_PROCESSING;
}
int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
@ -2688,6 +2682,11 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
log_debug("Parsing: %s", cmd->cmd_line);
if (!(cmd->cname = _find_command_name(cmd->name))) {
log_error("Command name not found.\n");
return EINVALID_CMD_LINE;
}
if (!(cmd->command = _find_command(cmd, cmd->name, &argc, argv)))
return EINVALID_CMD_LINE;
@ -2772,7 +2771,7 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
}
if (cmd->metadata_read_only &&
!(cmd->command->flags & PERMITTED_READ_ONLY)) {
!(cmd->cname->flags & PERMITTED_READ_ONLY)) {
log_error("%s: Command not permitted while global/metadata_read_only "
"is set.", cmd->cmd_line);
goto out;
@ -2832,7 +2831,7 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
* In this case, disable the *use* of lvmetad by this command, reverting to
* disk scanning.
*/
if (lvmetad_used() && !(cmd->command->flags & NO_LVMETAD_AUTOSCAN)) {
if (lvmetad_used() && !(cmd->cname->flags & NO_LVMETAD_AUTOSCAN)) {
if (cmd->include_foreign_vgs || !lvmetad_token_matches(cmd)) {
if (lvmetad_used() && !lvmetad_pvscan_all_devs(cmd, cmd->include_foreign_vgs ? 1 : 0)) {
log_warn("WARNING: Not using lvmetad because cache update failed.");

2
tools/pvscan.c
View File

@ -284,7 +284,7 @@ static int _pvscan_autoactivate(struct cmd_context *cmd, struct pvscan_aa_params
handle->custom_handle = pp;
if (all_vgs) {
cmd->command->flags |= ALL_VGS_IS_DEFAULT;
cmd->cname->flags |= ALL_VGS_IS_DEFAULT;
pp->refresh_all = 1;
}

18
tools/toollib.c
View File

@ -2093,7 +2093,7 @@ static void _choose_vgs_to_process(struct cmd_context *cmd,
* matches the UUID of a VG. (--select should generally
* be used to select a VG by uuid instead.)
*/
if (!found && (cmd->command->flags & ALLOW_UUID_AS_NAME))
if (!found && (cmd->cname->flags & ALLOW_UUID_AS_NAME))
arg_is_uuid = id_read_format_try(&id, sl->str);
if (!found && arg_is_uuid) {
@ -2162,7 +2162,7 @@ int process_each_vg(struct cmd_context *cmd,
struct dm_list arg_vgnames; /* str_list */
struct dm_list vgnameids_on_system; /* vgnameid_list */
struct dm_list vgnameids_to_process; /* vgnameid_list */
int enable_all_vgs = (cmd->command->flags & ALL_VGS_IS_DEFAULT);
int enable_all_vgs = (cmd->cname->flags & ALL_VGS_IS_DEFAULT);
int process_all_vgs_on_system = 0;
int ret_max = ECMD_PROCESSED;
int ret;
@ -2209,7 +2209,7 @@ int process_each_vg(struct cmd_context *cmd,
* label scan to be done. get_vgnameids() will scan labels
* (when not using lvmetad).
*/
if (cmd->command->flags & REQUIRES_FULL_LABEL_SCAN) {
if (cmd->cname->flags & REQUIRES_FULL_LABEL_SCAN) {
dev_cache_full_scan(cmd->full_filter);
lvmcache_force_next_label_scan();
}
@ -3655,7 +3655,7 @@ int process_each_lv(struct cmd_context *cmd,
struct dm_list arg_lvnames; /* str_list */
struct dm_list vgnameids_on_system; /* vgnameid_list */
struct dm_list vgnameids_to_process; /* vgnameid_list */
int enable_all_vgs = (cmd->command->flags & ALL_VGS_IS_DEFAULT);
int enable_all_vgs = (cmd->cname->flags & ALL_VGS_IS_DEFAULT);
int process_all_vgs_on_system = 0;
int ret_max = ECMD_PROCESSED;
int ret;
@ -3674,7 +3674,7 @@ int process_each_lv(struct cmd_context *cmd,
/*
* Find any LVs, VGs or tags explicitly provided on the command line.
*/
if (cmd->command->flags & GET_VGNAME_FROM_OPTIONS)
if (cmd->cname->flags & GET_VGNAME_FROM_OPTIONS)
ret = _get_arg_lvnames_using_options(cmd, argc, argv, &arg_vgnames, &arg_lvnames, &arg_tags);
else
ret = _get_arg_lvnames(cmd, argc, argv, one_vgname, one_lvname, &arg_vgnames, &arg_lvnames, &arg_tags);
@ -4032,7 +4032,7 @@ static int _process_duplicate_pvs(struct cmd_context *cmd,
if (!process_all_devices && !dil)
continue;
if (!(cmd->command->flags & ENABLE_DUPLICATE_DEVS))
if (!(cmd->cname->flags & ENABLE_DUPLICATE_DEVS))
continue;
/*
@ -4387,7 +4387,7 @@ int process_each_pv(struct cmd_context *cmd,
goto_out;
}
if ((cmd->command->flags & DISALLOW_TAG_ARGS) && !dm_list_empty(&arg_tags)) {
if ((cmd->cname->flags & DISALLOW_TAG_ARGS) && !dm_list_empty(&arg_tags)) {
log_error("Tags cannot be used with this command.");
return ECMD_FAILED;
}
@ -4396,7 +4396,7 @@ int process_each_pv(struct cmd_context *cmd,
process_all_pvs = dm_list_empty(&arg_pvnames) && dm_list_empty(&arg_tags);
process_all_devices = process_all_pvs && (cmd->command->flags & ENABLE_ALL_DEVS) && all_is_set;
process_all_devices = process_all_pvs && (cmd->cname->flags & ENABLE_ALL_DEVS) && all_is_set;
/* Needed for a current listing of the global VG namespace. */
if (!only_this_vgname && !lockd_gl(cmd, "sh", 0)) {
@ -5285,7 +5285,7 @@ int pvcreate_each_device(struct cmd_context *cmd,
struct pv_list *vgpvl;
const char *pv_name;
int consistent = 0;
int must_use_all = (cmd->command->flags & MUST_USE_ALL_ARGS);
int must_use_all = (cmd->cname->flags & MUST_USE_ALL_ARGS);
int found;
unsigned i;

2
tools/vgchange.c
View File

@ -1095,7 +1095,7 @@ static int _lockd_vgchange(struct cmd_context *cmd, int argc, char **argv)
*/
if (arg_is_set(cmd, systemid_ARG) || arg_is_set(cmd, locktype_ARG))
cmd->command->flags &= ~ALL_VGS_IS_DEFAULT;
cmd->cname->flags &= ~ALL_VGS_IS_DEFAULT;
if (arg_is_set(cmd, systemid_ARG) || arg_is_set(cmd, locktype_ARG)) {
/*

2
tools/vgimportclone.c
View File

@ -240,7 +240,7 @@ int vgimportclone(struct cmd_context *cmd, int argc, char **argv)
*/
log_debug("Finding devices to import.");
cmd->command->flags |= ENABLE_DUPLICATE_DEVS;
cmd->cname->flags |= ENABLE_DUPLICATE_DEVS;
process_each_pv(cmd, argc, argv, NULL, 0, READ_ALLOW_EXPORTED, handle, _vgimportclone_pv_single);
if (vp.found_args != argc) {