void
free_multipathvec (vector mpvec, int free_paths)
{
int i;
struct multipath * mpp;
if (!mpvec)
return;
vector_foreach_slot (mpvec, mpp, i)
free_multipath(mpp, free_paths);
vector_free(mpvec);
}
void
drop_multipath (vector mpvec, char * wwid, int free_paths)
{
int i;
struct multipath * mpp;
if (!mpvec)
return;
vector_foreach_slot (mpvec, mpp, i) {
if (!strncmp(mpp->wwid, wwid, WWID_SIZE)) {
free_multipath(mpp, free_paths);
vector_del_slot(mpvec, i);
return;
}
}
}
int
dm_get_maps (vector mp)
{
struct multipath * mpp;
int r = 1;
struct dm_task *dmt;
struct dm_names *names;
unsigned next = 0;
if (!mp)
return 1;
if (!(dmt = dm_task_create(DM_DEVICE_LIST)))
return 1;
dm_task_no_open_count(dmt);
if (!dm_task_run(dmt))
goto out;
if (!(names = dm_task_get_names(dmt)))
goto out;
if (!names->dev) {
r = 0; /* this is perfectly valid */
goto out;
}
do {
if (!dm_is_mpath(names->name))
goto next;
mpp = alloc_multipath();
if (!mpp)
goto out;
mpp->alias = STRDUP(names->name);
if (!mpp->alias)
goto out1;
if (dm_get_map(names->name, &mpp->size, NULL))
goto out1;
dm_get_uuid(names->name, mpp->wwid);
dm_get_info(names->name, &mpp->dmi);
if (!vector_alloc_slot(mp))
goto out1;
vector_set_slot(mp, mpp);
mpp = NULL;
next:
next = names->next;
names = (void *) names + next;
} while (next);
r = 0;
goto out;
out1:
free_multipath(mpp, KEEP_PATHS);
out:
dm_task_destroy (dmt);
return r;
}
