[PATCH 2/2] overlayfs -- follow change to do_splice_direct interface

[Andy Whitcroft]

The commit below changed the interface to do_splice_direct, follow that
change in copy_up:

  commit 7995bd287134f6c8f80d94bebe7396f05a9bc42b
  Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
  Date:   Thu Jun 20 18:58:36 2013 +0400

    splice: don't pass the address of ->f_pos to methods

Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
---
 fs/overlayfs/copy_up.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index eef85e0..8e1b09f 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -90,9 +90,10 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len)
 
 	/* FIXME: copy up sparse files efficiently */
 	while (len) {
-		loff_t offset = new_file->f_pos;
 		size_t this_len = OVL_COPY_UP_CHUNK_SIZE;
 		long bytes;
+		loff_t pos = old_file->f_pos;
+		loff_t out_pos = new_file->f_pos;
 
 		if (len < this_len)
 			this_len = len;
@@ -102,7 +103,7 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len)
 			break;
 		}
 
-		bytes = do_splice_direct(old_file, &offset, new_file, this_len,
+		bytes = do_splice_direct(old_file, &pos, new_file, &out_pos, this_len,
 				 SPLICE_F_MOVE);
 		if (bytes <= 0) {
 			error = bytes;
-- 
1.8.3.1

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