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_SRC_DIRTY_INODE], [
   8         ZFS_LINUX_TEST_SRC([dirty_inode_with_flags], [
   9                 #include <linux/fs.h>
  10
  11                 static void dirty_inode(struct inode *a, int b) { return; }
  12
  13                 static const struct super_operations
  14                     sops __attribute__ ((unused)) = {
  15                         .dirty_inode = dirty_inode,
  16                 };
  17         ],[])
  18 ])
  19
  20 AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE], [
  21         AC_MSG_CHECKING([whether sops->dirty_inode() wants flags])
  22         ZFS_LINUX_TEST_RESULT([dirty_inode_with_flags], [
  23                 AC_MSG_RESULT([yes])
  24                 AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1,
  25                     [sops->dirty_inode() wants flags])
  26         ],[
  27                 AC_MSG_RESULT([no])
  28         ])
  29 ])