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authorMax Reitz <mreitz@redhat.com>2014-03-17 23:04:51 +0100
committerKevin Wolf <kwolf@redhat.com>2014-03-19 09:39:41 +0100
commit8a15b813e6034856d4177c6ab242791795434c15 (patch)
tree36ba182e275819e4ce418dd00f27a9c22960edfb
parentd208cc353a2860dc9614ba651439713e4ecdf9d3 (diff)
qcow2: Correct comment for realloc_refcount_block()
Contrary to the comment describing this function's behavior, it does not return 0 on success, but rather the offset of the newly allocated cluster. This patch adjusts the comment accordingly to reflect the actual behavior. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/qcow2-refcount.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 6151148507..3f2ed08466 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -1383,7 +1383,7 @@ static int write_reftable_entry(BlockDriverState *bs, int rt_index)
* does _not_ decrement the reference count for the currently occupied cluster.
*
* This function prints an informative message to stderr on error (and returns
- * -errno); on success, 0 is returned.
+ * -errno); on success, the offset of the newly allocated cluster is returned.
*/
static int64_t realloc_refcount_block(BlockDriverState *bs, int reftable_index,
uint64_t offset)