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-rw-r--r--drivers/md/dm-thin-metadata.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h
index 845ebbe..125c094 100644
--- a/drivers/md/dm-thin-metadata.h
+++ b/drivers/md/dm-thin-metadata.h
@@ -181,6 +181,8 @@ int dm_pool_get_data_block_size(struct dm_pool_metadata *pmd, sector_t *result);
int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result);
+int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result);
+
/*
* Returns -ENOSPC if the new size is too small and already allocated
* blocks would be lost.