configurable sftp_buf_sz.

default value 131072 is derived from qemu/block/ssh.c.
we need more investigaion.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/file.h b/src/file.h
index 9727d15..a598ce8 100644
--- a/src/file.h
+++ b/src/file.h
@@ -70,7 +70,8 @@ int chunk_fill(struct list_head *file_list, struct list_head *chunk_list,
 
 struct chunk *chunk_acquire(struct list_head *chunk_list);
 int chunk_prepare(struct chunk *c, sftp_session sftp);
-int chunk_copy(struct chunk *c, sftp_session sftp, size_t buf_sz, size_t *counter);
+int chunk_copy(struct chunk *c, sftp_session sftp,
+               size_t sftp_buf_sz, size_t io_buf_sz, size_t *counter);
 
 #ifdef DEBUG
 void file_dump(struct list_head *file_list);