---
- branch: MAIN
  date: Mon Apr 10 21:34:37 UTC 2017
  files:
  - new: '1.95'
    old: '1.94'
    path: src/sys/kern/vfs_wapbl.c
    pathrev: src/sys/kern/vfs_wapbl.c@1.95
    type: modified
  id: 20170410T213437Z.598e1f2a2d433f4e2bde8bbf6b8de89543fb266d
  log: |
    improve performance of journal writes by parallelizing the I/O - use 4 bufs
    by default, add sysctl vfs.wapbl.journal_iobufs to control it

    this also removes need to allocate iobuf during commit, so it
    might help to avoid deadlock during memory shortages like PR kern/47030
  module: src
  subject: 'CVS commit: src/sys/kern'
  unixtime: '1491860077'
  user: jdolecek