AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
+ AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
AC_CHECK_LINUX_FUNC([kernel_setsockopt],
[#include <linux/net.h>],
[kernel_setsockopt(NULL, 0, 0, NULL, 0);])
+ AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
+ [#include <linux/fs.h>],
+ [locks_lock_file_wait(NULL, NULL);])
AC_CHECK_LINUX_FUNC([page_follow_link],
[#include <linux/fs.h>],
[page_follow_link(0,0);])
AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
[#include <linux/splice.h>],
[splice_direct_to_actor(NULL,NULL,NULL);])
+ AC_CHECK_LINUX_FUNC([default_file_splice_read],
+ [#include <linux/fs.h>],
+ [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
AC_CHECK_LINUX_FUNC([svc_addr_in],
[#include <linux/sunrpc/svc.h>],
[svc_addr_in(NULL);])