On Fri, May 20, 2022 at 11:36:36AM -0700, Stefan Roesch wrote:
> @@ -765,14 +765,22 @@ static loff_t iomap_write_iter(struct iomap_iter *iter, struct iov_iter *i)
> do {
> struct folio *folio;
> struct page *page;
> + struct address_space *mapping = iter->inode->i_mapping;
> unsigned long offset; /* Offset into pagecache page */
> unsigned long bytes; /* Bytes to write to page */
> size_t copied; /* Bytes copied from user */
> + unsigned int bdp_flags =
> + (iter->flags & IOMAP_NOWAIT) ? BDP_ASYNC : 0;
Bot the mapping and bdp_flags don't change over the loop iterations,
so we can initialize them once at the start of the function.
Otherwise this looks good, but I think this should go into the
previous patch as it is a central part of supporting async buffered
writes.
