sys/contrib/openzfs/config/kernel-vfs-getattr.m4

   1 dnl #
   2 dnl # 4.11 API, a528d35e@torvalds/linux
   3 dnl # vfs_getattr(const struct path *p, struct kstat *s, u32 m, unsigned int f)
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GETATTR_4ARGS], [
   6         ZFS_LINUX_TEST_SRC([vfs_getattr_4args], [
   7                 #include <linux/fs.h>
   8         ],[
   9                 vfs_getattr((const struct path *)NULL,
  10                         (struct kstat *)NULL,
  11                         (u32)0,
  12                         (unsigned int)0);
  13         ])
  14 ])
  15
  16 AC_DEFUN([ZFS_AC_KERNEL_VFS_GETATTR_4ARGS], [
  17         AC_MSG_CHECKING([whether vfs_getattr() wants 4 args])
  18         ZFS_LINUX_TEST_RESULT([vfs_getattr_4args], [
  19                 AC_MSG_RESULT(yes)
  20                 AC_DEFINE(HAVE_4ARGS_VFS_GETATTR, 1,
  21                     [vfs_getattr wants 4 args])
  22         ],[
  23                 AC_MSG_RESULT(no)
  24         ])
  25 ])
  26
  27 dnl #
  28 dnl # 3.9 API
  29 dnl # vfs_getattr(struct path *p, struct kstat *s)
  30 dnl #
  31 AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GETATTR_2ARGS], [
  32         ZFS_LINUX_TEST_SRC([vfs_getattr_2args], [
  33                 #include <linux/fs.h>
  34         ],[
  35                 vfs_getattr((struct path *) NULL,
  36                         (struct kstat *)NULL);
  37         ])
  38 ])
  39
  40 AC_DEFUN([ZFS_AC_KERNEL_VFS_GETATTR_2ARGS], [
  41         AC_MSG_CHECKING([whether vfs_getattr() wants 2 args])
  42         ZFS_LINUX_TEST_RESULT([vfs_getattr_2args], [
  43                 AC_MSG_RESULT(yes)
  44                 AC_DEFINE(HAVE_2ARGS_VFS_GETATTR, 1,
  45                     [vfs_getattr wants 2 args])
  46         ],[
  47                 AC_MSG_RESULT(no)
  48         ])
  49 ])
  50
  51 dnl #
  52 dnl # <3.9 API
  53 dnl # vfs_getattr(struct vfsmount *v, struct dentry *d, struct kstat *k)
  54 dnl #
  55 AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GETATTR_3ARGS], [
  56         ZFS_LINUX_TEST_SRC([vfs_getattr_3args], [
  57                 #include <linux/fs.h>
  58         ],[
  59                 vfs_getattr((struct vfsmount *)NULL,
  60                         (struct dentry *)NULL,
  61                         (struct kstat *)NULL);
  62         ])
  63 ])
  64
  65 AC_DEFUN([ZFS_AC_KERNEL_VFS_GETATTR_3ARGS], [
  66         AC_MSG_CHECKING([whether vfs_getattr() wants 3 args])
  67         ZFS_LINUX_TEST_RESULT([vfs_getattr_3args], [
  68                 AC_MSG_RESULT(yes)
  69                 AC_DEFINE(HAVE_3ARGS_VFS_GETATTR, 1,
  70                     [vfs_getattr wants 3 args])
  71         ],[
  72                 AC_MSG_RESULT(no)
  73         ])
  74 ])
  75
  76 AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GETATTR], [
  77         ZFS_AC_KERNEL_SRC_VFS_GETATTR_4ARGS
  78         ZFS_AC_KERNEL_SRC_VFS_GETATTR_2ARGS
  79         ZFS_AC_KERNEL_SRC_VFS_GETATTR_3ARGS
  80 ])
  81
  82 AC_DEFUN([ZFS_AC_KERNEL_VFS_GETATTR], [
  83         ZFS_AC_KERNEL_VFS_GETATTR_4ARGS
  84         ZFS_AC_KERNEL_VFS_GETATTR_2ARGS
  85         ZFS_AC_KERNEL_VFS_GETATTR_3ARGS
  86 ])