From 1c7dd82563ff2e71a067aea20d2acb2d0553644b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 17 Jan 2015 18:11:45 +0100
Subject: qcow2: when dissecting qcow2, use btrfs clone ioctls for reflinking
 blocks to target

---
 src/shared/btrfs-util.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/shared/btrfs-util.h')

diff --git a/src/shared/btrfs-util.h b/src/shared/btrfs-util.h
index 1bff9171d7..28946c60c9 100644
--- a/src/shared/btrfs-util.h
+++ b/src/shared/btrfs-util.h
@@ -55,6 +55,7 @@ int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info);
 int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota);
 
 int btrfs_reflink(int infd, int outfd);
+int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz);
 
 int btrfs_get_block_device(const char *path, dev_t *dev);
 
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cgit v1.2.3-54-g00ecf