libnvdimm, pmem: Complete REQ_FLUSH => REQ_PREFLUSH

[linux-2.6-block.git] / fs / btrfs / send.c

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 221e5cdb060be341d86cb0bb792b8601a5a81437..c0074d2d7d6d2788d1909f5a945addaa7fc065c8 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -5236,6 +5236,10 @@ static int send_write_or_clone(struct send_ctx *sctx,
                len = btrfs_file_extent_num_bytes(path->nodes[0], ei);
        }
 
+       if (offset >= sctx->cur_inode_size) {
+               ret = 0;
+               goto out;
+       }
        if (offset + len > sctx->cur_inode_size)
                len = sctx->cur_inode_size - offset;
        if (len == 0) {