Add configure test for pagevec_lru_add_file

[openafs.git] / src / cf / linux-test4.m4

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index b787c25..306587d 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -486,7 +486,6 @@ AC_DEFUN([LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG], [
       ac_cv_linux_kernel_posix_lock_file_wait_arg=no)])
   AC_MSG_RESULT($ac_cv_linux_kernel_posix_lock_file_wait_arg)])
 
-
 AC_DEFUN([LINUX_KERNEL_SOCK_CREATE], [
   AC_MSG_CHECKING([for 5th argument in sock_create found in some SELinux kernels])
   AC_CACHE_VAL([ac_cv_linux_kernel_sock_create_v], [
@@ -782,7 +781,7 @@ AC_DEFUN([LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK], [
   AC_MSG_CHECKING([if key_alloc() takes a struct task *])
   AC_CACHE_VAL([ac_cv_key_alloc_needs_struct_task], [
     save_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS -Werror"
+    CPPFLAGS="$CPPFLAGS -Werror -Wno-pointer-arith"
     AC_TRY_KBUILD(
 [#include <linux/rwsem.h>
 #include <linux/key.h>
@@ -801,7 +800,7 @@ AC_DEFUN([LINUX_KEY_ALLOC_NEEDS_CRED], [
   AC_MSG_CHECKING([if key_alloc() takes credentials])
   AC_CACHE_VAL([ac_cv_key_alloc_needs_cred], [
     save_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS -Werror"
+    CPPFLAGS="$CPPFLAGS -Werror -Wno-pointer-arith"
     AC_TRY_KBUILD(
 [#include <linux/rwsem.h>
 #include <linux/key.h>
@@ -1186,6 +1185,19 @@ AC_DEFUN([LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN], [
     AC_DEFINE([HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN], 1, [define if your kernel has grab_cache_page_write_begin()])
   fi])
 
+AC_DEFUN([LINUX_HAVE_PAGEVEC_LRU_ADD_FILE], [
+  AC_MSG_CHECKING([for linux __pagevec_lru_add_file()])
+  AC_CACHE_VAL([ac_cv_linux_pagevec_add_file], [
+    AC_TRY_KBUILD(
+[#include <linux/pagevec.h>],
+[__pagevec_lru_add_file(NULL);],
+      ac_cv_linux_pagevec_add_file=yes,
+      ac_cv_linux_pagevec_add_file=no)])
+  AC_MSG_RESULT($ac_cv_linux_pagevec_add_file)
+  if test "x$ac_cv_linux_pagevec_add_file" = "xyes"; then
+    AC_DEFINE([HAVE_PAGEVEC_LRU_ADD_FILE], 1, [define if your kernel has __pagevec_lru_add_file()])
+  fi])
+
 AC_DEFUN([LINUX_STRUCT_TASK_HAS_CRED], [
   AC_MSG_CHECKING([if struct task has cred])
   AC_CACHE_VAL([ac_cv_linux_struct_task_has_cred], [
@@ -1215,3 +1227,65 @@ _p.owner= "";],
   if test "x$ac_cv_linux_struct_proc_dir_entry_has_owner" = "xyes"; then
     AC_DEFINE([STRUCT_PROC_DIR_ENTRY_HAS_OWNER], 1, [define if struct proc_dir_entry has an owner member])
   fi])
+
+AC_DEFUN([LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT], [
+  AC_MSG_CHECKING([if posix_test_lock returns a struct file_lock])
+  AC_CACHE_VAL([ac_cv_linux_posix_test_lock_returns_conflict], [
+    AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct file_lock *lock;
+ struct file * file;
+lock = posix_test_lock(file, lock);],
+      ac_cv_linux_posix_test_lock_returns_conflict=yes,
+      ac_cv_linux_posix_test_lock_returns_conflict=no)])
+  AC_MSG_RESULT($ac_cv_linux_posix_test_lock_returns_conflict)
+  if test "x$ac_cv_linux_posix_test_lock_returns_conflict" = "xyes"; then
+    AC_DEFINE([POSIX_TEST_LOCK_RETURNS_CONFLICT], 1, [define if posix_test_lock returns the conflicting lock])
+  fi])
+
+AC_DEFUN([LINUX_POSIX_TEST_LOCK_CONFLICT_ARG], [
+  AC_MSG_CHECKING([if posix_test_lock takes a conflict argument])
+  AC_CACHE_VAL([ac_cv_linux_posix_test_lock_conflict_arg], [
+    AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[ struct file_lock *lock;
+  struct file *file;
+  posix_test_lock(file, lock, lock);],
+      ac_cv_linux_posix_test_lock_conflict_arg=yes,
+      ac_cv_lonuc_posix_test_lock_conflict_arg=no)])
+  AC_MSG_RESULT($ac_cv_linux_posix_test_lock_conflict_arg)
+  if test "x$ac_cv_linux_posix_test_lock_conflict_arg" = "xyes"; then
+    AC_DEFINE([POSIX_TEST_LOCK_CONFLICT_ARG], 1, [define if posix_test_lock takes a conflict argument])
+  fi])
+
+AC_DEFUN([LINUX_EXPORTS_KEY_TYPE_KEYRING], [
+  AC_MSG_CHECKING([for exported key_type_keyring])
+  AC_CACHE_VAL([ac_cv_linux_exports_key_type_keyring], [
+    AC_TRY_KBUILD(
+[
+#ifdef KEY_TYPE_H_EXISTS
+#include <linux/key-type.h>
+#endif
+#include <linux/key.h>],
+[
+printk("%s", key_type_keyring.name);
+],
+      ac_cv_linux_exports_key_type_keyring=yes,
+      ac_cv_linux_exports_key_type_keyring=no)])
+  AC_MSG_RESULT($ac_cv_linux_exports_key_type_keyring)
+  if test "x$ac_cv_linux_exports_key_type_keyring" = "xyes"; then
+    AC_DEFINE([EXPORTED_KEY_TYPE_KEYRING], 1, [define if key_type_keyring is exported])
+  fi])
+
+AC_DEFUN([LINUX_KEYS_HAVE_SESSION_TO_PARENT], [
+  AC_MSG_CHECKING([for KEYCTL_SESSION_TO_PARENT])
+  AC_CACHE_VAL([ac_cv_linux_have_session_to_parent], [
+    AC_TRY_KBUILD(
+[ #include <linux/keyctl.h>],
+[ int i = KEYCTL_SESSION_TO_PARENT;],
+      ac_cv_linux_have_session_to_parent=yes,
+      ac_cv_linux_have_session_to_parent=no)])
+  AC_MSG_RESULT($ac_cv_linux_have_session_to_parent)
+  if test "x$ac_cv_linux_have_session_to_parent" = "xyes"; then
+    AC_DEFINE([HAVE_SESSION_TO_PARENT], 1, [define if keyctl has the KEYCTL_SESSION_TO_PARENT function])
+  fi])