src/cf/linux-kernel-func.m4

   1 AC_DEFUN([OPENAFS_LINUX_KERNEL_FUNC_CHECKS],[
   2 dnl Function existence checks
   3 AC_CHECK_LINUX_FUNC([__vfs_write],
   4                     [#include <linux/fs.h>],
   5                     [__vfs_write(NULL, NULL, 0, NULL);])
   6 AC_CHECK_LINUX_FUNC([kernel_write],
   7                     [#include <linux/fs.h>],
   8                     [kernel_write(NULL, NULL, 0, NULL);])
   9 AC_CHECK_LINUX_FUNC([bdi_init],
  10                     [#include <linux/backing-dev.h>],
  11                     [bdi_init(NULL);])
  12 AC_CHECK_LINUX_FUNC([super_setup_bdi],
  13                     [#include <linux/backing-dev.h>],
  14                     [struct super_block *sb;
  15                      super_setup_bdi(sb);])
  16 AC_CHECK_LINUX_FUNC([PageChecked],
  17                     [#include <linux/mm.h>
  18                      #include <linux/page-flags.h>],
  19                     [struct page *_page;
  20                      int bchecked = PageChecked(_page);])
  21 AC_CHECK_LINUX_FUNC([PageFsMisc],
  22                     [#include <linux/mm.h>
  23                      #include <linux/page-flags.h>],
  24                     [struct page *_page;
  25                      int bchecked = PageFsMisc(_page);])
  26 AC_CHECK_LINUX_FUNC([clear_inode],
  27                     [#include <linux/fs.h>],
  28                     [clear_inode(NULL);])
  29 AC_CHECK_LINUX_FUNC([current_kernel_time],
  30                     [#include <linux/time.h>],
  31                     [struct timespec s;
  32                      s = current_kernel_time();])
  33 AC_CHECK_LINUX_FUNC([d_alloc_anon],
  34                     [#include <linux/fs.h>],
  35                     [d_alloc_anon(NULL);])
  36 AC_CHECK_LINUX_FUNC([d_count],
  37                     [#include <linux/dcache.h>],
  38                     [d_count(NULL);])
  39 AC_CHECK_LINUX_FUNC([d_make_root],
  40                     [#include <linux/fs.h>],
  41                     [d_make_root(NULL);])
  42 AC_CHECK_LINUX_FUNC([do_sync_read],
  43                     [#include <linux/fs.h>],
  44                     [do_sync_read(NULL, NULL, 0, NULL);])
  45 AC_CHECK_LINUX_FUNC([fatal_signal_pending],
  46                     [#include <linux/sched.h>],
  47                     [fatal_signal_pending(NULL);])
  48 AC_CHECK_LINUX_FUNC([file_dentry],
  49                     [#include <linux/fs.h>],
  50                     [struct file *f; file_dentry(f);])
  51 AC_CHECK_LINUX_FUNC([find_task_by_pid],
  52                     [#include <linux/sched.h>],
  53                     [pid_t p; find_task_by_pid(p);])
  54 AC_CHECK_LINUX_FUNC([generic_file_aio_read],
  55                     [#include <linux/fs.h>],
  56                     [generic_file_aio_read(NULL,NULL,0,0);])
  57 AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
  58                     [#include <linux/pagemap.h>],
  59                     [grab_cache_page_write_begin(NULL, 0, 0);])
  60 AC_CHECK_LINUX_FUNC([hlist_unhashed],
  61                     [#include <linux/list.h>],
  62                     [hlist_unhashed(0);])
  63 AC_CHECK_LINUX_FUNC([ihold],
  64                     [#include <linux/fs.h>],
  65                     [ihold(NULL);])
  66 AC_CHECK_LINUX_FUNC([i_size_read],
  67                     [#include <linux/fs.h>],
  68                     [i_size_read(NULL);])
  69 AC_CHECK_LINUX_FUNC([inode_setattr],
  70                     [#include <linux/fs.h>],
  71                     [inode_setattr(NULL, NULL);])
  72 AC_CHECK_LINUX_FUNC([iter_file_splice_write],
  73                     [#include <linux/fs.h>],
  74                     [iter_file_splice_write(NULL,NULL,NULL,0,0);])
  75 AC_CHECK_LINUX_FUNC([kernel_setsockopt],
  76                     [#include <linux/net.h>],
  77                     [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
  78 AC_CHECK_LINUX_FUNC([ktime_get_coarse_real_ts64],
  79                     [#include <linux/ktime.h>],
  80                     [struct timespec64 *s;
  81                     ktime_get_coarse_real_ts64(s);])
  82 AC_CHECK_LINUX_FUNC([ktime_get_real_ts64],
  83                     [#include <linux/ktime.h>],
  84                     [struct timespec64 *s;
  85                     ktime_get_real_ts64(s);])
  86 AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
  87                     [#include <linux/fs.h>],
  88                     [locks_lock_file_wait(NULL, NULL);])
  89 AC_CHECK_LINUX_FUNC([override_creds],
  90                     [#include <linux/cred.h>],
  91                     [override_creds(0);])
  92 AC_CHECK_LINUX_FUNC([page_follow_link],
  93                     [#include <linux/fs.h>],
  94                     [page_follow_link(0,0);])
  95 AC_CHECK_LINUX_FUNC([page_get_link],
  96                     [#include <linux/fs.h>],
  97                     [page_get_link(0,0,0);])
  98 AC_CHECK_LINUX_FUNC([page_offset],
  99                     [#include <linux/pagemap.h>],
 100                     [page_offset(NULL);])
 101 AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 102                     [#include <linux/pagevec.h>],
 103                     [__pagevec_lru_add_file(NULL);])
 104 AC_CHECK_LINUX_FUNC([path_lookup],
 105                     [#include <linux/fs.h>
 106                      #include <linux/namei.h>],
 107                     [path_lookup(NULL, 0, NULL);])
 108 AC_CHECK_LINUX_FUNC([proc_create],
 109                     [#include <linux/proc_fs.h>],
 110                     [proc_create(NULL, 0, NULL, NULL);])
 111 AC_CHECK_LINUX_FUNC([rcu_read_lock],
 112                     [#include <linux/rcupdate.h>],
 113                     [rcu_read_lock();])
 114 AC_CHECK_LINUX_FUNC([set_nlink],
 115                     [#include <linux/fs.h>],
 116                     [set_nlink(NULL, 1);])
 117 AC_CHECK_LINUX_FUNC([setattr_prepare],
 118                     [#include <linux/fs.h>],
 119                     [setattr_prepare(NULL, NULL);])
 120 AC_CHECK_LINUX_FUNC([sock_create_kern],
 121                     [#include <linux/net.h>],
 122                     [sock_create_kern(0, 0, 0, NULL);])
 123 AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
 124                     [#include <linux/net.h>],
 125                     [sock_create_kern(NULL, 0, 0, 0, NULL);])
 126 AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 127                     [#include <linux/splice.h>],
 128                     [splice_direct_to_actor(NULL,NULL,NULL);])
 129 AC_CHECK_LINUX_FUNC([default_file_splice_read],
 130                     [#include <linux/fs.h>],
 131                     [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
 132 AC_CHECK_LINUX_FUNC([svc_addr_in],
 133                     [#include <linux/sunrpc/svc.h>],
 134                     [svc_addr_in(NULL);])
 135 AC_CHECK_LINUX_FUNC([zero_user_segments],
 136                     [#include <linux/highmem.h>],
 137                     [zero_user_segments(NULL, 0, 0, 0, 0);])
 138 AC_CHECK_LINUX_FUNC([noop_fsync],
 139                     [#include <linux/fs.h>],
 140                     [void *address = &noop_fsync; printk("%p\n", address)];)
 141 AC_CHECK_LINUX_FUNC([kthread_run],
 142                     [#include <linux/kernel.h>
 143                      #include <linux/kthread.h>],
 144                     [kthread_run(NULL, NULL, "test");])
 145 AC_CHECK_LINUX_FUNC([inode_nohighmem],
 146                     [#include <linux/fs.h>],
 147                     [inode_nohighmem(NULL);])
 148 AC_CHECK_LINUX_FUNC([inode_lock],
 149                     [#include <linux/fs.h>],
 150                     [inode_lock(NULL);])
 151
 152 dnl Consequences - things which get set as a result of the
 153 dnl                above tests
 154 AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 155     [AC_DEFINE([AFS_NONFSTRANS], 1,
 156         [define to disable the nfs translator])])
 157 ])