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importd: add API for exporting container/VM images
[elogind.git]
/
src
/
import
/
qcow2-util.c
diff --git
a/src/import/qcow2-util.c
b/src/import/qcow2-util.c
index c84c6aa0d72b20948df62f4c1ec4a38cd1af0235..9b0c23bb1476148af0a5386a0367b2f692bcfb45 100644
(file)
--- a/
src/import/qcow2-util.c
+++ b/
src/import/qcow2-util.c
@@
-24,6
+24,7
@@
#include "util.h"
#include "sparse-endian.h"
#include "qcow2-util.h"
#include "util.h"
#include "sparse-endian.h"
#include "qcow2-util.h"
+#include "btrfs-util.h"
#define QCOW2_MAGIC 0x514649fb
#define QCOW2_MAGIC 0x514649fb
@@
-85,6
+86,11
@@
static int copy_cluster(
void *buffer) {
ssize_t l;
void *buffer) {
ssize_t l;
+ int r;
+
+ r = btrfs_clone_range(sfd, soffset, dfd, doffset, cluster_size);
+ if (r >= 0)
+ return r;
l = pread(sfd, buffer, cluster_size, soffset);
if (l < 0)
l = pread(sfd, buffer, cluster_size, soffset);
if (l < 0)