new helper: iov_iter_bvec()

similar to iov_iter_kvec(), for ITER_BVEC ones

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 5 deletions

diff --git a/fs/splice.c b/fs/splice.c
index 75c6058eabf2..7c7176f2d1e7 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1006,11 +1006,8 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
                 }
 
                 /* ... iov_iter */
-                from.type = ITER_BVEC | WRITE;
-                from.bvec = array;
-                from.nr_segs = n;
-                from.count = sd.total_len - left;
-                from.iov_offset = 0;
+                iov_iter_bvec(&from, ITER_BVEC | WRITE, array, n,
+                              sd.total_len - left);
 
                 /* ... and iocb */
                 init_sync_kiocb(&kiocb, out);