config/kernel-setattr-prepare.m4

   1 dnl #
   2 dnl # 4.9 API change
   3 dnl # The inode_change_ok() function has been renamed setattr_prepare()
   4 dnl # and updated to take a dentry rather than an inode.
   5 dnl #
   6 AC_DEFUN([ZFS_AC_KERNEL_SETATTR_PREPARE],
   7         [AC_MSG_CHECKING([whether setattr_prepare() is available])
   8         ZFS_LINUX_TRY_COMPILE_SYMBOL([
   9                 #include <linux/fs.h>
  10         ], [
  11                 struct dentry *dentry = NULL;
  12                 struct iattr *attr = NULL;
  13                 int error;
  14
  15                 error = setattr_prepare(dentry, attr);
  16         ], [setattr_prepare], [fs/attr.c], [
  17                 AC_MSG_RESULT(yes)
  18                 AC_DEFINE(HAVE_SETATTR_PREPARE, 1,
  19                     [setattr_prepare() is available])
  20         ], [
  21                 AC_MSG_RESULT(no)
  22         ])
  23 ])