zfs-builds-mm/zfs-2.0.0-rc4/config/kernel-kuid-helpers.m4
2020-10-22 14:20:35 +02:00

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Text

dnl #
dnl # 3.5 API change,
dnl # Since usernamespaces were introduced in kernel version 3.5, it
dnl # became necessary to go through one more level of indirection
dnl # when dealing with uid/gid - namely the kuid type.
dnl #
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_KUID_HELPERS], [
ZFS_LINUX_TEST_SRC([i_uid_read], [
#include <linux/fs.h>
],[
struct inode *ip = NULL;
(void) i_uid_read(ip);
])
])
AC_DEFUN([ZFS_AC_KERNEL_KUID_HELPERS], [
AC_MSG_CHECKING([whether i_(uid|gid)_(read|write) exist])
ZFS_LINUX_TEST_RESULT([i_uid_read], [
AC_MSG_RESULT(yes)
],[
ZFS_LINUX_TEST_ERROR([i_uid_read])
])
])