From 44751917db7466739af358fdb60ae5fb84ed89df Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Mon, 27 Oct 2014 11:12:54 +0100 Subject: block/qcow2: Make get_refcount() global MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reading the refcount of a cluster is an operation which can be useful in all of the qcow2 code, so make that function globally available. While touching this function, amend the comment describing the "addend" parameter: It is (no longer, if it ever was) necessary to have it set to -1 or 1; any value is fine. Signed-off-by: Max Reitz Reviewed-by: Eric Blake Reviewed-by: Benoît Canet Reviewed-by: Kevin Wolf Reviewed-by: Benoit Canet Message-id: 1414404776-4919-6-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi --- block/qcow2.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'block/qcow2.h') diff --git a/block/qcow2.h b/block/qcow2.h index 21ac8cead3..6e39a1b639 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -487,6 +487,8 @@ void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset, int qcow2_refcount_init(BlockDriverState *bs); void qcow2_refcount_close(BlockDriverState *bs); +int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index); + int qcow2_update_cluster_refcount(BlockDriverState *bs, int64_t cluster_index, int addend, enum qcow2_discard_type type); -- cgit v1.2.3