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>],
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>],
20 int bchecked = PageChecked(_page);])
21 AC_CHECK_LINUX_FUNC([PageFsMisc],
22 [#include <linux/mm.h>
23 #include <linux/page-flags.h>],
25 int bchecked = PageFsMisc(_page);])
26 AC_CHECK_LINUX_FUNC([clear_inode],
27 [#include <linux/fs.h>],
29 AC_CHECK_LINUX_FUNC([current_kernel_time],
30 [#include <linux/time.h>],
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>],
39 AC_CHECK_LINUX_FUNC([d_make_root],
40 [#include <linux/fs.h>],
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([file_dentry],
46 [#include <linux/fs.h>],
47 [struct file *f; file_dentry(f);])
48 AC_CHECK_LINUX_FUNC([find_task_by_pid],
49 [#include <linux/sched.h>],
50 [pid_t p; find_task_by_pid(p);])
51 AC_CHECK_LINUX_FUNC([generic_file_aio_read],
52 [#include <linux/fs.h>],
53 [generic_file_aio_read(NULL,NULL,0,0);])
54 AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
55 [#include <linux/pagemap.h>],
56 [grab_cache_page_write_begin(NULL, 0, 0);])
57 AC_CHECK_LINUX_FUNC([hlist_unhashed],
58 [#include <linux/list.h>],
60 AC_CHECK_LINUX_FUNC([ihold],
61 [#include <linux/fs.h>],
63 AC_CHECK_LINUX_FUNC([i_size_read],
64 [#include <linux/fs.h>],
66 AC_CHECK_LINUX_FUNC([inode_setattr],
67 [#include <linux/fs.h>],
68 [inode_setattr(NULL, NULL);])
69 AC_CHECK_LINUX_FUNC([iter_file_splice_write],
70 [#include <linux/fs.h>],
71 [iter_file_splice_write(NULL,NULL,NULL,0,0);])
72 AC_CHECK_LINUX_FUNC([kernel_setsockopt],
73 [#include <linux/net.h>],
74 [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
75 AC_CHECK_LINUX_FUNC([ktime_get_coarse_real_ts64],
76 [#include <linux/ktime.h>],
77 [struct timespec64 *s;
78 ktime_get_coarse_real_ts64(s);])
79 AC_CHECK_LINUX_FUNC([ktime_get_real_ts64],
80 [#include <linux/ktime.h>],
81 [struct timespec64 *s;
82 ktime_get_real_ts64(s);])
83 AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
84 [#include <linux/fs.h>],
85 [locks_lock_file_wait(NULL, NULL);])
86 AC_CHECK_LINUX_FUNC([page_follow_link],
87 [#include <linux/fs.h>],
88 [page_follow_link(0,0);])
89 AC_CHECK_LINUX_FUNC([page_get_link],
90 [#include <linux/fs.h>],
91 [page_get_link(0,0,0);])
92 AC_CHECK_LINUX_FUNC([page_offset],
93 [#include <linux/pagemap.h>],
95 AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
96 [#include <linux/pagevec.h>],
97 [__pagevec_lru_add_file(NULL);])
98 AC_CHECK_LINUX_FUNC([path_lookup],
99 [#include <linux/fs.h>
100 #include <linux/namei.h>],
101 [path_lookup(NULL, 0, NULL);])
102 AC_CHECK_LINUX_FUNC([proc_create],
103 [#include <linux/proc_fs.h>],
104 [proc_create(NULL, 0, NULL, NULL);])
105 AC_CHECK_LINUX_FUNC([rcu_read_lock],
106 [#include <linux/rcupdate.h>],
108 AC_CHECK_LINUX_FUNC([set_nlink],
109 [#include <linux/fs.h>],
110 [set_nlink(NULL, 1);])
111 AC_CHECK_LINUX_FUNC([setattr_prepare],
112 [#include <linux/fs.h>],
113 [setattr_prepare(NULL, NULL);])
114 AC_CHECK_LINUX_FUNC([sock_create_kern],
115 [#include <linux/net.h>],
116 [sock_create_kern(0, 0, 0, NULL);])
117 AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
118 [#include <linux/net.h>],
119 [sock_create_kern(NULL, 0, 0, 0, NULL);])
120 AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
121 [#include <linux/splice.h>],
122 [splice_direct_to_actor(NULL,NULL,NULL);])
123 AC_CHECK_LINUX_FUNC([default_file_splice_read],
124 [#include <linux/fs.h>],
125 [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
126 AC_CHECK_LINUX_FUNC([svc_addr_in],
127 [#include <linux/sunrpc/svc.h>],
128 [svc_addr_in(NULL);])
129 AC_CHECK_LINUX_FUNC([zero_user_segments],
130 [#include <linux/highmem.h>],
131 [zero_user_segments(NULL, 0, 0, 0, 0);])
132 AC_CHECK_LINUX_FUNC([noop_fsync],
133 [#include <linux/fs.h>],
134 [void *address = &noop_fsync; printk("%p\n", address)];)
135 AC_CHECK_LINUX_FUNC([kthread_run],
136 [#include <linux/kernel.h>
137 #include <linux/kthread.h>],
138 [kthread_run(NULL, NULL, "test");])
139 AC_CHECK_LINUX_FUNC([inode_nohighmem],
140 [#include <linux/fs.h>],
141 [inode_nohighmem(NULL);])
142 AC_CHECK_LINUX_FUNC([inode_lock],
143 [#include <linux/fs.h>],
146 dnl Consequences - things which get set as a result of the
148 AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
149 [AC_DEFINE([AFS_NONFSTRANS], 1,
150 [define to disable the nfs translator])])