config/kernel-dirty-inode.m4

   1 dnl #
   2 dnl # 3.0 API change
   3 dnl # The sops->dirty_inode() callbacks were updated to take a flags
   4 dnl # argument.  This allows the greater control over whether the
   5 dnl # filesystem needs to push out a transaction or not.
   6 dnl #
   7 AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS], [
   8         AC_MSG_CHECKING([whether sops->dirty_inode() wants flags])
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/fs.h>
  11
  12                 void dirty_inode(struct inode *a, int b) { return; }
  13
  14                 static const struct super_operations
  15                     sops __attribute__ ((unused)) = {
  16                         .dirty_inode = dirty_inode,
  17                 };
  18         ],[
  19         ],[
  20                 AC_MSG_RESULT([yes])
  21                 AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1,
  22                         [sops->dirty_inode() wants flags])
  23         ],[
  24                 AC_MSG_RESULT([no])
  25         ])
  26 ])