When two or more -c options are specified, cannot find a suitable
parent. So, output stream is bigger than correct one.
[before]
# btrfs send -f /tmp/data1 -c Snap0 -c ../SnapX Snap[12] ../SnapY
At subvol Snap1
At subvol Snap2
At subvol ../SnapY
# ls -l /tmp/data1
-rw------- 1 root root 3153 Oct 19 10:37 /tmp/data1
#
[after]
# btrfs send -f /tmp/data1 -c Snap0 -c ../SnapX Snap[12] ../SnapY
At subvol Snap1
At subvol Snap2
At subvol ../SnapY
# ls -l /tmp/data1
-rw------- 1 root root 1492 Oct 19 10:39 /tmp/data1
#
Signed-off-by: Tsutomu Itoh <t-i...@jp.fujitsu.com>
---
cmds-send.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/cmds-send.c b/cmds-send.c
index 2a8a697..b93a667 100644
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -651,6 +651,18 @@ int cmd_send(int argc, char **argv)
}
if (!full_send && root_id) {
+ ret = init_root_path(&send, subvol);
+ if (ret < 0)
+ goto out;
+
+ ret = get_root_id(&send,
+ subvol_strip_mountpoint(send.root_path, subvol),
+ &root_id);
+ if (ret < 0) {
+ error("cannot resolve rootid for %s", subvol);
+ goto out;
+ }
+
ret = find_good_parent(&send, root_id, &parent_root_id);
if (ret < 0) {
error("parent determination failed for %lld",
--
2.9.3
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