Rename the existing function get_whole_cluster() to vmdk_perform_cow()
as its sole purpose is to perform COW for the first and the last
allocated clusters if needed.
Signed-off-by: Ashijeet Acharya <ashijeetacha...@gmail.com>
---
block/vmdk.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/block/vmdk.c b/block/vmdk.c
index 7795c5f..f5fda2c 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1036,8 +1036,8 @@ static void vmdk_refresh_limits(BlockDriverState *bs,
Error **errp)
}
}
-/**
- * get_whole_cluster
+/*
+ * vmdk_perform_cow
*
* Copy backing file's cluster that covers @sector_num, otherwise write zero,
* to the cluster at @cluster_sector_num.
@@ -1045,13 +1045,18 @@ static void vmdk_refresh_limits(BlockDriverState *bs,
Error **errp)
* If @skip_start_sector < @skip_end_sector, the relative range
* [@skip_start_sector, @skip_end_sector) is not copied or written, and leave
* it for call to write user data in the request.
+ *
+ * Returns:
+ * VMDK_OK: on success
+ *
+ * VMDK_ERROR: in error cases
*/
-static int get_whole_cluster(BlockDriverState *bs,
- VmdkExtent *extent,
- uint64_t cluster_offset,
- uint64_t offset,
- uint64_t skip_start_bytes,
- uint64_t skip_end_bytes)
+static int vmdk_perform_cow(BlockDriverState *bs,
+ VmdkExtent *extent,
+ uint64_t cluster_offset,
+ uint64_t offset,
+ uint64_t skip_start_bytes,
+ uint64_t skip_end_bytes)
{
int ret = VMDK_OK;
int64_t cluster_bytes;
--
2.6.2
