Re: [PATCH 7/8] block: drbd: avoid to use BIO_MAX_SIZE

From: Christoph Hellwig
Date: Tue Mar 29 2016 - 03:31:31 EST

On Tue, Mar 22, 2016 at 02:12:28PM +0800, Ming Lei wrote:
> drbd is the only user of BIO_MAX_SIZE, so use BIO_MAX_PAGES
> instead.

That whole code block looks completely bogus to me, although your patch
doesn't make it any worse.

I/O size for a network protocol shouldn't dependend on the number of
vectors in a kernel internal structure.

Well, getting rid of BIO_MAX_SIZE is worth it, so:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>