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authorKevin Wolf <kwolf@redhat.com>2013-03-26 17:50:02 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2013-03-28 11:52:43 +0100
commit3b8e2e260c8cee63c9253718983a6682dc2771d7 (patch)
tree8e3f90301b0ec10f579665951c01ca1306421136 /block/qcow2.h
parentf5bc63509471299176066d5f63bb8ff2e15af279 (diff)
downloadqemu-3b8e2e260c8cee63c9253718983a6682dc2771d7.tar.gz
qcow2: handle_alloc(): Get rid of keep_clusters parameter
handle_alloc() is now called with the offset at which the actual new allocation starts instead of the offset at which the whole write request starts, part of which may already be processed. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/qcow2.h')
-rw-r--r--block/qcow2.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index a99d51b6a1..c4eaf670ec 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -266,6 +266,11 @@ enum {
#define REFT_OFFSET_MASK 0xffffffffffffff00ULL
+static inline int64_t start_of_cluster(BDRVQcowState *s, int64_t offset)
+{
+ return offset & ~(s->cluster_size - 1);
+}
+
static inline int size_to_clusters(BDRVQcowState *s, int64_t size)
{
return (size + (s->cluster_size - 1)) >> s->cluster_bits;