config/kernel-blkdev-get-by-path.m4

   1 dnl #
   2 dnl # 2.6.38 API change
   3 dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
   4 dnl # close_bdev_exclusive() changed to blkdev_put()
   5 dnl #
   6 AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
   7         ZFS_CHECK_SYMBOL_EXPORT(
   8                 [blkdev_get_by_path],
   9                 [fs/block_dev.c],
  10                 [AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
  11                 [blkdev_get_by_path() is available])],
  12                 [])
  13 ])