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dnl #
dnl # 3.9 API change
dnl # set_fs_pwd takes const struct path *
dnl #
AC_DEFUN([SPL_AC_SET_FS_PWD_WITH_CONST],
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
[AC_MSG_CHECKING([whether set_fs_pwd() requires const struct path *])
SPL_LINUX_TRY_COMPILE([
#include <linux/spinlock.h>
#include <linux/fs_struct.h>
#include <linux/path.h>
void (*const set_fs_pwd_func)
(struct fs_struct *, const struct path *)
= set_fs_pwd;
],[
return 0;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_FS_PWD_WITH_CONST, 1,
[set_fs_pwd() needs const path *])
],[
SPL_LINUX_TRY_COMPILE([
#include <linux/spinlock.h>
#include <linux/fs_struct.h>
#include <linux/path.h>
void (*const set_fs_pwd_func)
(struct fs_struct *, struct path *)
= set_fs_pwd;
],[
return 0;
],[
AC_MSG_RESULT(no)
],[
AC_MSG_ERROR(unknown)
])
])
EXTRA_KCFLAGS="$tmp_flags"
])
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