This comment was true when dm-bufio was written but, since 4.3, bios can
now have arbitrary size and the driver splits them.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
*
* the memory must be direct-mapped, not vmalloced;
*
- * the I/O driver can reject requests spuriously if it thinks that
- * the requests are too big for the device or if they cross a
- * controller-defined memory boundary.
- *
* If the buffer is small enough (up to DM_BUFIO_INLINE_VECS pages) and
* it is not vmalloced, try using the bio interface.
*