xfstests btrfs/038 fails when this patch is applied. Sorry for my fault.
I posted the patch that corrected this problem.
[PATCH] btrfs-progs: send: fix failure of xfstests btrfs/038
Thanks,
Tsutomu
On 2016/10/19 11:35, Tsutomu Itoh wrote:
> We cannot send multiple snapshots at once by -p option.
>
> [before]
> # btrfs send -f /tmp/data0 -p Snap0 Snap[12]
> At subvol Snap1
> At subvol Snap2
> ERROR: parent determination failed for 0
> #
>
> [after]
> # btrfs send -f /tmp/data0 -p Snap0 Snap[12]
> At subvol Snap1
> At subvol Snap2
> #
>
> Signed-off-by: Tsutomu Itoh <t-itoh@xxxxxxxxxxxxxx>
> ---
> cmds-send.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/cmds-send.c b/cmds-send.c
> index dfdfe01..2a8a697 100644
> --- a/cmds-send.c
> +++ b/cmds-send.c
> @@ -650,7 +650,7 @@ int cmd_send(int argc, char **argv)
> goto out;
> }
>
> - if (!full_send && !parent_root_id) {
> + if (!full_send && root_id) {
> ret = find_good_parent(&send, root_id, &parent_root_id);
> if (ret < 0) {
> error("parent determination failed for %lld",
> @@ -673,7 +673,7 @@ int cmd_send(int argc, char **argv)
> if (ret < 0)
> goto out;
>
> - if (!full_send) {
> + if (!full_send && root_id) {
> /* done with this subvol, so add it to the clone sources */
> ret = add_clone_source(&send, root_id);
> if (ret < 0) {
> @@ -681,8 +681,6 @@ int cmd_send(int argc, char **argv)
> goto out;
> }
> }
> -
> - parent_root_id = 0;
> }
>
> ret = 0;
>
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