dm thin metadata: remove unused dm_pool_get_data_block_size()

The thin-pool target doesn't display the data block size as part of
its table status, unlike the dm-cache target, so there is no need for
dm_pool_get_data_block_size().

This was found using cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 43adbb863f5a9e5426dc0641f8c12ba696b09e10..79f694120ddf067f327b3c05dda5e090af4a1c51 100644 (file)
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1635,15 +1635,6 @@ int dm_pool_get_metadata_dev_size(struct dm_pool_metadata *pmd,
        return r;
 }
 
-int dm_pool_get_data_block_size(struct dm_pool_metadata *pmd, sector_t *result)
-{
-       down_read(&pmd->root_lock);
-       *result = pmd->data_block_size;
-       up_read(&pmd->root_lock);
-
-       return 0;
-}
-
 int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result)
 {
        int r = -EINVAL;

diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h
index 921d15ee56a0c687bd09e54846d90f2bbb082c86..fac01a96d303113b3036071ed8f359c7e5f10224 100644 (file)
--- a/drivers/md/dm-thin-metadata.h
+++ b/drivers/md/dm-thin-metadata.h
@@ -182,8 +182,6 @@ int dm_pool_get_free_metadata_block_count(struct dm_pool_metadata *pmd,
 int dm_pool_get_metadata_dev_size(struct dm_pool_metadata *pmd,
                                  dm_block_t *result);
 
-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);