bool do_split = true;
struct bio *new = NULL;
const unsigned max_sectors = get_max_io_size(q, bio);
- unsigned bvecs = 0;
bio_for_each_segment(bv, bio, iter) {
/*
- * With arbitrary bio size, the incoming bio may be very
- * big. We have to split the bio into small bios so that
- * each holds at most BIO_MAX_PAGES bvecs because
- * bio_clone_bioset() can fail to allocate big bvecs.
- *
- * Those drivers which will need to use bio_clone_bioset()
- * should tell us in some way. For now, impose the
- * BIO_MAX_PAGES limit on all queues.
- *
- * TODO: handle users of bio_clone_bioset() differently.
- */
- if (bvecs++ >= BIO_MAX_PAGES)
- goto split;
-
- /*
* If the queue doesn't support SG gaps and adding this
* offset would create a gap, disallow it.
*/