On 17/03/2019 11:01, Ming Lei wrote: > XEN has special page merge requirement, see xen_biovec_phys_mergeable(). > We can't merge pages into one bvec simply for XEN. > > So move XEN's specific check on page merge into __bio_try_merge_page(), > then abvoid to break XEN by multi-page bvec. > > Cc: ris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > Cc: Juergen Gross <jgross@xxxxxxxx> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx > Cc: Omar Sandoval <osandov@xxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> Juergen
