Exemple #1
0
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;
}
Exemple #2
0
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);
}