config/kernel-tmpfile.m4

   1 dnl #
   2 dnl # 3.11 API change
   3 dnl # Add support for i_op->tmpfile
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_TMPFILE], [
   6         AC_MSG_CHECKING([whether i_op->tmpfile() exists])
   7         ZFS_LINUX_TRY_COMPILE([
   8                 #include <linux/fs.h>
   9                 int tmpfile(struct inode *inode, struct dentry *dentry,
  10                     umode_t mode) { return 0; }
  11                 static struct inode_operations
  12                     iops __attribute__ ((unused)) = {
  13                         .tmpfile = tmpfile,
  14                 };
  15         ],[
  16         ],[
  17                 AC_MSG_RESULT(yes)
  18                 AC_DEFINE(HAVE_TMPFILE, 1,
  19                     [i_op->tmpfile() exists])
  20         ],[
  21                 AC_MSG_RESULT(no)
  22         ])
  23 ])