char *build_dm_uuid(struct dm_pool *mem, const struct logical_volume *lv,
const char *layer)
{
const char *lvid = lv->lvid.s;
char *dlid;
if (!layer) {
/*
* Mark internal LVs with layer suffix
* so tools like blkid may immeditelly see it's
* an internal LV they should not scan.
* Should also make internal detection simpler.
*/
/* Suffixes used here MUST match lib/activate/dev_manager.c */
layer = lv_is_cache_origin(lv) ? "real" :
(lv_is_cache(lv) && lv_is_pending_delete(lv)) ? "real" :
lv_is_cache_pool_data(lv) ? "cdata" :
lv_is_cache_pool_metadata(lv) ? "cmeta" :
// FIXME: dm-tree needs fixes for mirrors/raids
//lv_is_mirror_image(lv) ? "mimage" :
//lv_is_mirror_log(lv) ? "mlog" :
//lv_is_raid_image(lv) ? "rimage" :
//lv_is_raid_metadata(lv) ? "rmeta" :
lv_is_thin_pool(lv) ? "pool" :
lv_is_thin_pool_data(lv) ? "tdata" :
lv_is_thin_pool_metadata(lv) ? "tmeta" :
NULL;
}
if (!(dlid = dm_build_dm_uuid(mem, UUID_PREFIX, lvid, layer)))
log_error("Failed to build LVM dlid for %s.",
display_lvname(lv));
return dlid;
}
char *build_dm_uuid(struct dm_pool *mem, const struct logical_volume *lv,
const char *layer)
{
const char *lvid = lv->lvid.s;
if (!layer) {
/*
* Mark internal LVs with layer suffix
* so tools like blkid may immeditelly see it's
* an internal LV they should not scan.
* Should also make internal detection simpler.
*/
layer = lv_is_cache_pool_data(lv) ? "cdata" :
lv_is_cache_pool_metadata(lv) ? "cmeta" :
// FIXME: dm-tree needs fixes for mirrors/raids
//lv_is_mirror_image(lv) ? "mimage" :
//lv_is_mirror_log(lv) ? "mlog" :
//lv_is_raid_image(lv) ? "rimage" :
//lv_is_raid_metadata(lv) ? "rmeta" :
lv_is_thin_pool(lv) ? "pool" :
lv_is_thin_pool_data(lv) ? "tdata" :
lv_is_thin_pool_metadata(lv) ? "tmeta" :
NULL;
}
return dm_build_dm_uuid(mem, UUID_PREFIX, lvid, layer);
}