---
- branch: MAIN
  date: Thu Apr 16 16:38:43 UTC 2020
  files:
  - new: '1.116'
    old: '1.115'
    path: src/sys/arch/xen/xen/xbd_xenbus.c
    pathrev: src/sys/arch/xen/xen/xbd_xenbus.c@1.116
    type: modified
  id: 20200416T163843Z.0ba74d5713f15b8ab914e524f87dac30f57f4716
  log: |
    if backend supports it, use indirect segment for I/O requests over 32KB

    there is some overhead for backend without persistent mappings
    (backend needs to map the extra indirect segment page), but this
    makes it possible to queue more I/O if using 64KB block size

    tested on NetBSD/amd64 DomU against Linux/amd64 Dom0
  module: src
  subject: 'CVS commit: src/sys/arch/xen/xen'
  unixtime: '1587055123'
  user: jdolecek