zfs-builds-mm/zfs-0.8.1/config/kernel-is_owner_or_cap.m4
2019-07-06 23:40:11 +02:00

36 lines
987 B
Text

dnl #
dnl # 2.6.39 API change,
dnl # The is_owner_or_cap() macro was renamed to inode_owner_or_capable(),
dnl # This is used for permission checks in the xattr and file attribute call
dnl # paths.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE], [
AC_MSG_CHECKING([whether inode_owner_or_capable() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode *ip = NULL;
(void) inode_owner_or_capable(ip);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
[inode_owner_or_capable() exists])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether is_owner_or_cap() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/sched.h>
],[
struct inode *ip = NULL;
(void) is_owner_or_cap(ip);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IS_OWNER_OR_CAP, 1,
[is_owner_or_cap() exists])
],[
AC_MSG_ERROR(no - Please file a bug report at
https://github.com/zfsonlinux/zfs/issues/new)
])
])
])