config/kernel-create-umode-t.m4

   1 dnl #
   2 dnl # 3.3 API change
   3 dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a
   4 dnl # umode_t type rather than an int.  The expectation is that any backport
   5 dnl # would also change all three prototypes.  However, if it turns out that
   6 dnl # some distribution doesn't backport the whole thing this could be
   7 dnl # broken apart in to three seperate checks.
   8 dnl #
   9 AC_DEFUN([ZFS_AC_KERNEL_CREATE_UMODE_T], [
  10         AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t])
  11         ZFS_LINUX_TRY_COMPILE([
  12                 #include <linux/fs.h>
  13         ],[
  14                 int (*create) (struct inode *, struct dentry *, umode_t,
  15                     struct nameidata *) = NULL;
  16                 struct inode_operations iops __attribute__ ((unused)) = {
  17                         .create = create,
  18                 };
  19         ],[
  20                 AC_MSG_RESULT(yes)
  21                 AC_DEFINE(HAVE_CREATE_UMODE_T, 1,
  22                     [iops->create()/mkdir()/mknod() take umode_t])
  23         ],[
  24                 AC_MSG_RESULT(no)
  25         ])
  26 ])