On Mon, Jul 01, 2019 at 08:36:13AM +0200, Christoph Hellwig wrote:
> On Mon, Jul 01, 2019 at 12:16:44PM +0800, Ming Lei wrote:
> > 'bio->bi_iter.bi_size' is 'unsigned int', which at most hold 4G - 1
> > bytes.
> >
> > Before 07173c3ec276 ("block: enable multipage bvecs"), one bio can
> > include v
On Mon, Jul 01, 2019 at 12:16:44PM +0800, Ming Lei wrote:
> 'bio->bi_iter.bi_size' is 'unsigned int', which at most hold 4G - 1
> bytes.
>
> Before 07173c3ec276 ("block: enable multipage bvecs"), one bio can
> include very limited pages, and usually at most 256, so the fs bio
> size won't be bigge
'bio->bi_iter.bi_size' is 'unsigned int', which at most hold 4G - 1
bytes.
Before 07173c3ec276 ("block: enable multipage bvecs"), one bio can
include very limited pages, and usually at most 256, so the fs bio
size won't be bigger than 1M bytes most of times.
Since we support multi-page bvec, in t
