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Code Releases Activity

o dm->active_list now filled in, ATM this is based on the layer name rather

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than the uuid.
This commit is contained in:
Joe Thornber 2002-03-11 11:27:48 +00:00
parent fd6932b18b
commit 323a167b49
1 changed files with 82 additions and 23 deletions
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105
lib/activate/dev_manager.c
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@ -90,6 +90,7 @@ struct dev_manager {
char *vg_name;
struct list active_list;
struct list remove_list;
struct hash_table *layers;
};
@ -525,6 +526,7 @@ struct dev_manager *dev_manager_create(const char *vg_name)
}
list_init(&dm->active_list);
list_init(&dm->remove_list);
return dm;
@ -694,7 +696,6 @@ static int _expand_origin_real(struct dev_manager *dm,
static int _expand_origin(struct dev_manager *dm, struct logical_volume *lv)
{
#if 0
struct logical_volume *active;
struct snapshot *s;
struct list *sh;
@ -710,9 +711,6 @@ static int _expand_origin(struct dev_manager *dm, struct logical_volume *lv)
}
return _expand_vanilla(dm, lv);
#else
return _expand_origin_real(dm, lv);
#endif
}
static int _expand_snapshot(struct dev_manager *dm, struct logical_volume *lv,
@ -1067,25 +1065,6 @@ static int _execute(struct dev_manager *dm, struct logical_volume *lv,
return 1;
}
int dev_manager_activate(struct dev_manager *dm, struct logical_volume *lv)
{
if (!_execute(dm, lv, _create_rec)) {
stack;
return 0;
}
return 1;
}
int dev_manager_deactivate(struct dev_manager *dm, struct logical_volume *lv)
{
if (!_execute(dm, lv, _remove_rec)) {
stack;
return 0;
}
return 0;
}
/*
@ -1106,6 +1085,8 @@ static int _add_existing_layer(struct dev_manager *dm, const char *name)
struct dev_layer *new;
char *copy;
log_verbose("Found layer '%s'", name);
if (!(copy = pool_strdup(dm->mem, name))) {
stack;
return 0;
@ -1180,3 +1161,81 @@ static int _scan_existing_devices(struct dev_manager *dm)
return r;
}
static int _add_active(struct dev_manager *dm, struct logical_volume *lv)
{
struct lv_list *lvl;
if (!(lvl = pool_alloc(dm->mem, sizeof(*lvl)))) {
stack;
return 0;
}
lvl->lv = lv;
list_add(&dm->active_list, &lvl->list);
return 1;
}
static int _fill_in_active_list(struct dev_manager *dm,
struct volume_group *vg)
{
int found;
char *name;
struct list *lvh;
struct logical_volume *lv;
list_iterate (lvh, &vg->lvs) {
lv = list_item(lvh, struct lv_list)->lv;
name = _build_name(dm->mem, dm->vg_name, lv->name, "");
if (!name) {
stack;
return 0;
}
found = hash_lookup(dm->layers, name) ? 1 : 0;
pool_free(dm->mem, name);
if (found && !_add_active(dm, lv)) {
stack;
return 0;
}
}
return 1;
}
int dev_manager_activate(struct dev_manager *dm, struct logical_volume *lv)
{
if (!_scan_existing_devices(dm)) {
stack;
return 0;
}
if (!_fill_in_active_list(dm, lv->vg)) {
stack;
return 0;
}
if (!_add_active(dm, lv)) {
stack;
return 0;
}
if (!_execute(dm, lv, _create_rec)) {
stack;
return 0;
}
return 1;
}
int dev_manager_deactivate(struct dev_manager *dm, struct logical_volume *lv)
{
if (!_execute(dm, lv, _remove_rec)) {
stack;
return 0;
}
return 0;
}