Linux 3.10 compat: replace PDE()->data with PDE_DATA()

Linux kernel commit torvalds/linux@d9dda78b renamed PDE() to
PDE_DATA().  To handle this detect the prefered interface
and define a PDE_DATA() wrapper for consistency.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #257
This commit is contained in:
Yuxuan Shui
2013-05-14 08:39:26 +08:00
committed by Brian Behlendorf
parent c02ab72fb9
commit 1ddf9722dc
2 changed files with 23 additions and 1 deletions
+19
View File
@@ -34,6 +34,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
SPL_AC_CTL_UNNUMBERED
SPL_AC_CTL_NAME
SPL_AC_VMALLOC_INFO
SPL_AC_PDE_DATA
SPL_AC_FLS64
SPL_AC_DEVICE_CREATE
SPL_AC_5ARGS_DEVICE_CREATE
@@ -1377,6 +1378,24 @@ AC_DEFUN([SPL_AC_VMALLOC_INFO], [
])
])
dnl #
dnl # 3.10 API change,
dnl # PDE is replaced by PDE_DATA
dnl #
AC_DEFUN([SPL_AC_PDE_DATA], [
AC_MSG_CHECKING([whether PDE_DATA() is available])
SPL_LINUX_TRY_COMPILE_SYMBOL([
#include <linux/proc_fs.h>
], [
PDE_DATA(NULL);
], [PDE_DATA], [], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PDE_DATA, 1, [yes])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.17 API change
dnl # The helper functions first_online_pgdat(), next_online_pgdat(), and