get rid of pointless iov_length() in ->direct_IO()

all callers have iov_length(iter->iov, iter->nr_segs) == iov_iter_count(iter)

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 47fbe760a7f8..116e809aa7cb 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -856,13 +856,13 @@ ext2_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
         struct file *file = iocb->ki_filp;
         struct address_space *mapping = file->f_mapping;
         struct inode *inode = mapping->host;
+        size_t count = iov_iter_count(iter);
         ssize_t ret;
 
         ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset,
                                  iter->nr_segs, ext2_get_block);
         if (ret < 0 && (rw & WRITE))
-                ext2_write_failed(mapping, offset +
-                                  iov_length(iter->iov, iter->nr_segs));
+                ext2_write_failed(mapping, offset + count);
         return ret;
 }