config/kernel-fsync-bdev.m4

   1 dnl #
   2 dnl # 6.6 API change,
   3 dnl # fsync_bdev was removed in favor of sync_blockdev
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_SRC_SYNC_BDEV], [
   6         ZFS_LINUX_TEST_SRC([fsync_bdev], [
   7                 #include <linux/blkdev.h>
   8         ],[
   9                 fsync_bdev(NULL);
  10         ])
  11
  12         ZFS_LINUX_TEST_SRC([sync_blockdev], [
  13                 #include <linux/blkdev.h>
  14         ],[
  15                 sync_blockdev(NULL);
  16         ])
  17 ])
  18
  19 AC_DEFUN([ZFS_AC_KERNEL_SYNC_BDEV], [
  20         AC_MSG_CHECKING([whether fsync_bdev() exists])
  21         ZFS_LINUX_TEST_RESULT([fsync_bdev], [
  22                 AC_MSG_RESULT(yes)
  23                 AC_DEFINE(HAVE_FSYNC_BDEV, 1,
  24                     [fsync_bdev() is declared in include/blkdev.h])
  25         ],[
  26                 AC_MSG_CHECKING([whether sync_blockdev() exists])
  27                 ZFS_LINUX_TEST_RESULT([sync_blockdev], [
  28                         AC_MSG_RESULT(yes)
  29                         AC_DEFINE(HAVE_SYNC_BLOCKDEV, 1,
  30                             [sync_blockdev() is declared in include/blkdev.h])
  31                 ],[
  32                         ZFS_LINUX_TEST_ERROR(
  33                             [neither fsync_bdev() nor sync_blockdev() exist])
  34                 ])
  35         ])
  36 ])