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btrfs-progs: send: fix handling of multiple snapshots 

We cannot send multiple snapshots at once.

[before fix]
# btrfs send ./snap[12] > snap12.data
At subvol ./snap1
At subvol ./snap2
ERROR: parent determination failed for 0
#

[after fix]
# btrfs send ./snap[12] > snap12.data
At subvol ./snap1
At subvol ./snap2
#

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Tsutomu Itoh 2016-03-24 16:47:28 +09:00 committed by David Sterba
parent d7477bcd0b
commit a260446077
1 changed files with 7 additions and 6 deletions
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13
cmds-send.c
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@ -673,15 +673,16 @@ int cmd_send(int argc, char **argv)
if (ret < 0)
goto out;
/* done with this subvol, so add it to the clone sources */
ret = add_clone_source(&send, root_id);
if (ret < 0) {
error("not enough memory");
goto out;
if (!full_send) {
/* done with this subvol, so add it to the clone sources */
ret = add_clone_source(&send, root_id);
if (ret < 0) {
error("not enough memory");
goto out;
}
}
parent_root_id = 0;
full_send = 0;
}
ret = 0;