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 <[email protected]>
