linux-2623-support-20071004

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

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index cc0418d..3cb0ee0 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -850,3 +850,47 @@ register_sysctl_table (t);],
       ac_cv_linux_register_sysctl_table_noflag=no)])
   AC_MSG_RESULT($ac_cv_linux_register_sysctl_table_noflag)])
 
+AC_DEFUN([LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T], [
+  AC_MSG_CHECKING([whether file_operations.flush takes a fl_owner_t])
+  AC_CACHE_VAL([ac_cv_linux_func_f_flush_takes_fl_owner_t], [
+    AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+struct file _file;
+fl_owner_t id;
+(void)_inode.i_fop->flush(&_file, &id);],
+      ac_cv_linux_func_f_flush_takes_fl_owner_t=yes,
+      ac_cv_linux_func_f_flush_takes_fl_owner_t=no)])
+  AC_MSG_RESULT($ac_cv_linux_func_f_flush_takes_fl_owner_t)])
+
+AC_DEFUN([LINUX_HAVE_KMEM_CACHE_T], [
+  AC_MSG_CHECKING([whether kmem_cache_t exists])
+  AC_CACHE_VAL([ac_cv_linux_have_kmem_cache_t], [
+    AC_TRY_KBUILD(
+[#include <linux/slab.h>],
+[kmem_cache_t *k;],
+      ac_cv_linux_have_kmem_cache_t=yes,
+      ac_cv_linux_have_kmem_cache_t=no)])
+  AC_MSG_RESULT($ac_cv_linux_have_kmem_cache_t)])
+
+AC_DEFUN([LINUX_KMEM_CACHE_CREATE_TAKES_DTOR], [
+  AC_MSG_CHECKING([whether kmem_cache_create takes a destructor argument])
+  AC_CACHE_VAL([ac_cv_linux_kmem_cache_create_takes_dtor], [
+    AC_TRY_KBUILD(
+[#include <linux/slab.h>],
+[kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);],
+      ac_cv_linux_kmem_cache_create_takes_dtor=yes,
+      ac_cv_linux_kmem_cache_create_takes_dtor=no)])
+  AC_MSG_RESULT($ac_cv_linux_kmem_cache_create_takes_dtor)])
+
+AC_DEFUN([LINUX_FS_STRUCT_FOP_HAS_SENDFILE], [
+  AC_MSG_CHECKING([for sendfile in struct file_operations])
+  AC_CACHE_VAL([ac_cv_linux_fs_struct_fop_has_sendfile], [
+    AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct file_operations _fop;
+_fop.sendfile(NULL, NULL, 0, 0, NULL);],
+      ac_cv_linux_fs_struct_fop_has_sendfile=yes,
+      ac_cv_linux_fs_struct_fop_has_sendfile=no)])
+  AC_MSG_RESULT($ac_cv_linux_fs_struct_fop_has_sendfile)])
+