[PATCH v4 06/11] NFS: also send OFFLOAD_CANCEL to source server

[Olga Kornievskaia <olga.kornievskaia@xxxxxxxxx>]

From: Olga Kornievskaia <kolga@xxxxxxxxxx>

In case of copy is cancelled, also send OFFLOAD_CANCEL to the source
server.

Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
---
 fs/nfs/nfs42proc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index bb9e799..98fe00b 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -205,12 +205,14 @@ static int handle_async_copy(struct nfs42_copy_res *res,
 	memcpy(&res->write_res.verifier, &copy->verf, sizeof(copy->verf));
 	status = -copy->error;
 
+out_free:
 	kfree(copy);
 	return status;
 out_cancel:
 	nfs42_do_offload_cancel_async(dst, &copy->stateid);
-	kfree(copy);
-	return status;
+	if (!nfs42_files_from_same_server(src, dst))
+		nfs42_do_offload_cancel_async(src, src_stateid);
+	goto out_free;
 }
 
 static int process_copy_commit(struct file *dst, loff_t pos_dst,
-- 
1.8.3.1