block: Drop unused bdrv_round_sectors_to_clusters()

Now that the last user [mirror_iteration()] has converted to using
bytes, we no longer need a function to round sectors to clusters.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

2 files changed, 0 insertions, 25 deletions

diff --git a/block/io.c b/block/io.c
index 5c146b5..a0a36df 100644
--- a/block/io.c
+++ b/block/io.c
@@ -419,27 +419,6 @@ static void mark_request_serialising(BdrvTrackedRequest *req, uint64_t align)
 }
 
 /**
- * Round a region to cluster boundaries (sector-based)
- */
-void bdrv_round_sectors_to_clusters(BlockDriverState *bs,
-                                    int64_t sector_num, int nb_sectors,
-                                    int64_t *cluster_sector_num,
-                                    int *cluster_nb_sectors)
-{
-    BlockDriverInfo bdi;
-
-    if (bdrv_get_info(bs, &bdi) < 0 || bdi.cluster_size == 0) {
-        *cluster_sector_num = sector_num;
-        *cluster_nb_sectors = nb_sectors;
-    } else {
-        int64_t c = bdi.cluster_size / BDRV_SECTOR_SIZE;
-        *cluster_sector_num = QEMU_ALIGN_DOWN(sector_num, c);
-        *cluster_nb_sectors = QEMU_ALIGN_UP(sector_num - *cluster_sector_num +
-                                            nb_sectors, c);
-    }
-}
-
-/**
  * Round a region to cluster boundaries
  */
 void bdrv_round_to_clusters(BlockDriverState *bs,
diff --git a/include/block/block.h b/include/block/block.h
index afe1b61..121f42b 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -475,10 +475,6 @@ const char *bdrv_get_device_or_node_name(const BlockDriverState *bs);
 int bdrv_get_flags(BlockDriverState *bs);
 int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
 ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs);
-void bdrv_round_sectors_to_clusters(BlockDriverState *bs,
-                                    int64_t sector_num, int nb_sectors,
-                                    int64_t *cluster_sector_num,
-                                    int *cluster_nb_sectors);
 void bdrv_round_to_clusters(BlockDriverState *bs,
                             int64_t offset, unsigned int bytes,
                             int64_t *cluster_offset,