-AC_DEFUN([OPENAFS_LINUX_CHECKS],[
-case $AFS_SYSNAME in *_linux* | *_umlinux*)
-
- # Add (sub-) architecture-specific paths needed by conftests
- case $AFS_SYSNAME in
- *_umlinux26)
- UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
- UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
- UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
- CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
- esac
-
- if test "x$enable_kernel_module" = "xyes"; then
- if test "x$enable_debug_kernel" = "xno"; then
- LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
- fi
- OPENAFS_GCC_SUPPORTS_MARCH
- AC_SUBST(P5PLUS_KOPTS)
- OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
- OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
- OPENAFS_GCC_SUPPORTS_NO_COMMON
- OPENAFS_GCC_SUPPORTS_PIPE
- AC_SUBST(LINUX_GCC_KOPTS)
-
- dnl Setup the kernel build environment
- LINUX_KBUILD_USES_EXTRA_CFLAGS
- LINUX_KERNEL_COMPILE_WORKS
-
- dnl Operation signature checks
- AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
- [#include <linux/fs.h>],
- [const char *],
- [struct dentry *dentry, void **link_data])
- AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
- [#include <linux/fs.h>],
- [void],
- [struct inode *inode, void *link_data])
- AC_CHECK_LINUX_OPERATION([inode_operations], [rename], [takes_flags],
- [#include <linux/fs.h>],
- [int],
- [struct inode *oinode, struct dentry *odentry,
- struct inode *ninode, struct dentry *ndentry,
- unsigned int flags])
-
- dnl Check for header files
- AC_CHECK_LINUX_HEADER([cred.h])
- AC_CHECK_LINUX_HEADER([config.h])
- AC_CHECK_LINUX_HEADER([exportfs.h])
- AC_CHECK_LINUX_HEADER([freezer.h])
- AC_CHECK_LINUX_HEADER([key-type.h])
- AC_CHECK_LINUX_HEADER([semaphore.h])
- AC_CHECK_LINUX_HEADER([seq_file.h])
- AC_CHECK_LINUX_HEADER([sched/signal.h])
- AC_CHECK_LINUX_HEADER([uaccess.h])
-
- dnl Type existence checks
- AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
- AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
-
- dnl Check for structure elements
- AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
- AC_CHECK_LINUX_STRUCT([address_space_operations],
- [write_begin], [fs.h])
- AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
- [backing-dev.h])
- AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
- AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
- AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
- AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
- AC_CHECK_LINUX_STRUCT([group_info], [gid], [cred.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
- AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
- AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
- AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
- AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
- 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([inode_operations], [get_link], [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_STRUCT([msghdr], [msg_iter], [socket.h])
- AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
- AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
- AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
- AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
- AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
- [fs.h])
- AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
- [fs.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
- LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
-
- dnl Check for typed structure elements
- AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
- [buf], [fs.h])
-
- dnl Function existence checks
- AC_CHECK_LINUX_FUNC([__vfs_write],
- [#include <linux/fs.h>],
- [__vfs_write(NULL, NULL, 0, NULL);])
- AC_CHECK_LINUX_FUNC([kernel_write],
- [#include <linux/fs.h>],
- [kernel_write(NULL, NULL, 0, NULL);])
- AC_CHECK_LINUX_FUNC([bdi_init],
- [#include <linux/backing-dev.h>],
- [bdi_init(NULL);])
- AC_CHECK_LINUX_FUNC([super_setup_bdi],
- [#include <linux/backing-dev.h>],
- [struct super_block *sb;
- super_setup_bdi(sb);])
- AC_CHECK_LINUX_FUNC([PageChecked],
- [#include <linux/mm.h>
-#include <linux/page-flags.h>],
- [struct page *_page;
- int bchecked = PageChecked(_page);])
- AC_CHECK_LINUX_FUNC([PageFsMisc],
- [#include <linux/mm.h>
-#include <linux/page-flags.h>],
- [struct page *_page;
- int bchecked = PageFsMisc(_page);])
- AC_CHECK_LINUX_FUNC([clear_inode],
- [#include <linux/fs.h>],
- [clear_inode(NULL);])
- AC_CHECK_LINUX_FUNC([current_kernel_time],
- [#include <linux/time.h>],
- [struct timespec s;
- s = current_kernel_time();])
- AC_CHECK_LINUX_FUNC([d_alloc_anon],
- [#include <linux/fs.h>],
- [d_alloc_anon(NULL);])
- AC_CHECK_LINUX_FUNC([d_count],
- [#include <linux/dcache.h>],
- [d_count(NULL);])
- AC_CHECK_LINUX_FUNC([d_make_root],
- [#include <linux/fs.h>],
- [d_make_root(NULL);])
- AC_CHECK_LINUX_FUNC([do_sync_read],
- [#include <linux/fs.h>],
- [do_sync_read(NULL, NULL, 0, NULL);])
- AC_CHECK_LINUX_FUNC([file_dentry],
- [#include <linux/fs.h>],
- [struct file *f; file_dentry(f);])
- AC_CHECK_LINUX_FUNC([find_task_by_pid],
- [#include <linux/sched.h>],
- [pid_t p; find_task_by_pid(p);])
- AC_CHECK_LINUX_FUNC([generic_file_aio_read],
- [#include <linux/fs.h>],
- [generic_file_aio_read(NULL,NULL,0,0);])
- AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
- [#include <linux/pagemap.h>],
- [grab_cache_page_write_begin(NULL, 0, 0);])
- AC_CHECK_LINUX_FUNC([hlist_unhashed],
- [#include <linux/list.h>],
- [hlist_unhashed(0);])
- AC_CHECK_LINUX_FUNC([ihold],
- [#include <linux/fs.h>],
- [ihold(NULL);])
- AC_CHECK_LINUX_FUNC([i_size_read],
- [#include <linux/fs.h>],
- [i_size_read(NULL);])
- AC_CHECK_LINUX_FUNC([inode_setattr],
- [#include <linux/fs.h>],
- [inode_setattr(NULL, NULL);])
- AC_CHECK_LINUX_FUNC([iter_file_splice_write],
- [#include <linux/fs.h>],
- [iter_file_splice_write(NULL,NULL,NULL,0,0);])
- 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([page_get_link],
- [#include <linux/fs.h>],
- [page_get_link(0,0,0);])
- AC_CHECK_LINUX_FUNC([page_offset],
- [#include <linux/pagemap.h>],
- [page_offset(NULL);])
- AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
- [#include <linux/pagevec.h>],
- [__pagevec_lru_add_file(NULL);])
- AC_CHECK_LINUX_FUNC([path_lookup],
- [#include <linux/fs.h>
- #include <linux/namei.h>],
- [path_lookup(NULL, 0, NULL);])
- AC_CHECK_LINUX_FUNC([proc_create],
- [#include <linux/proc_fs.h>],
- [proc_create(NULL, 0, NULL, NULL);])
- AC_CHECK_LINUX_FUNC([rcu_read_lock],
- [#include <linux/rcupdate.h>],
- [rcu_read_lock();])
- AC_CHECK_LINUX_FUNC([set_nlink],
- [#include <linux/fs.h>],
- [set_nlink(NULL, 1);])
- AC_CHECK_LINUX_FUNC([setattr_prepare],
- [#include <linux/fs.h>],
- [setattr_prepare(NULL, NULL);])
- AC_CHECK_LINUX_FUNC([sock_create_kern],
- [#include <linux/net.h>],
- [sock_create_kern(0, 0, 0, NULL);])
- AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
- [#include <linux/net.h>],
- [sock_create_kern(NULL, 0, 0, 0, NULL);])
- 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);])
- AC_CHECK_LINUX_FUNC([zero_user_segments],
- [#include <linux/highmem.h>],
- [zero_user_segments(NULL, 0, 0, 0, 0);])
- AC_CHECK_LINUX_FUNC([noop_fsync],
- [#include <linux/fs.h>],
- [void *address = &noop_fsync; printk("%p\n", address)];)
- AC_CHECK_LINUX_FUNC([kthread_run],
- [#include <linux/kernel.h>
- #include <linux/kthread.h>],
- [kthread_run(NULL, NULL, "test");])
- AC_CHECK_LINUX_FUNC([inode_nohighmem],
- [#include <linux/fs.h>],
- [inode_nohighmem(NULL);])
- AC_CHECK_LINUX_FUNC([inode_lock],
- [#include <linux/fs.h>],
- [inode_lock(NULL);])
-
- dnl Consequences - things which get set as a result of the
- dnl above tests
- AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
- [AC_DEFINE([AFS_NONFSTRANS], 1,
- [define to disable the nfs translator])])
-
- dnl Assorted more complex tests
- LINUX_AIO_NONVECTOR
- LINUX_EXPORTS_PROC_ROOT_FS
- LINUX_KMEM_CACHE_INIT
- LINUX_HAVE_KMEM_CACHE_T
- LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
- LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
- LINUX_D_PATH_TAKES_STRUCT_PATH
- LINUX_NEW_EXPORT_OPS
- LINUX_INODE_SETATTR_RETURN_TYPE
- LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
- LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
- LINUX_IOP_I_PERMISSION_TAKES_FLAGS
- LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
- LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
- LINUX_DOP_D_DELETE_TAKES_CONST
- LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
- LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
- LINUX_FOP_F_FSYNC_TAKES_DENTRY
- LINUX_FOP_F_FSYNC_TAKES_RANGE
- LINUX_AOP_WRITEBACK_CONTROL
- LINUX_FS_STRUCT_FOP_HAS_SPLICE
- LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
- LINUX_KERNEL_PAGEVEC_INIT_COLD_ARG
- LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
- LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
- LINUX_KERNEL_SOCK_CREATE
- LINUX_EXPORTS_KEY_TYPE_KEYRING
- LINUX_NEED_RHCONFIG
- LINUX_RECALC_SIGPENDING_ARG_TYPE
- LINUX_EXPORTS_TASKLIST_LOCK
- LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
- LINUX_STATFS_TAKES_DENTRY
- LINUX_REFRIGERATOR
- LINUX_HAVE_TRY_TO_FREEZE
- LINUX_LINUX_KEYRING_SUPPORT
- LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
- LINUX_KEY_ALLOC_NEEDS_CRED
- LINUX_INIT_WORK_HAS_DATA
- LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
- LINUX_HAVE_DCACHE_LOCK
- LINUX_D_COUNT_IS_INT
- LINUX_IOP_GETATTR_TAKES_PATH_STRUCT
- LINUX_IOP_MKDIR_TAKES_UMODE_T
- LINUX_IOP_CREATE_TAKES_UMODE_T
- LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
- LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
- LINUX_DENTRY_OPEN_TAKES_PATH
- LINUX_D_ALIAS_IS_HLIST
- LINUX_HLIST_ITERATOR_NO_NODE
- LINUX_IOP_I_CREATE_TAKES_BOOL
- LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
- LINUX_IOP_LOOKUP_TAKES_UNSIGNED
- LINUX_D_INVALIDATE_IS_VOID
- LINUX_KERNEL_READ_OFFSET_IS_LAST
-
- dnl If we are guaranteed that keyrings will work - that is
- dnl a) The kernel has keyrings enabled
- dnl b) The code is new enough to give us a key_type_keyring
- dnl then we just disable syscall probing unless we've been
- dnl told otherwise
-
- AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
- [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
- [enable_linux_syscall_probing="no"],
- [enable_linux_syscall_probing="yes"])
- ])
+AC_DEFUN([_OPENAFS_LINUX_CONFTEST_SETUP],[
+# Add (sub-) architecture-specific paths needed by conftests
+case $AFS_SYSNAME in
+ *_umlinux26)
+ UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
+ UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
+ UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
+ CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
+esac
+])
- dnl Syscall probing needs a few tests of its own, and just
- dnl won't work if the kernel doesn't export init_mm
- AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
- LINUX_EXPORTS_INIT_MM
- AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
- AC_MSG_ERROR(
- [Can't do syscall probing without exported init_mm])
- ])
- LINUX_EXPORTS_SYS_CHDIR
- LINUX_EXPORTS_SYS_OPEN
- AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
- [define to enable syscall table probes])
- ])
+AC_DEFUN([_OPENAFS_LINUX_KBUILD_SETUP],[
+if test "x$enable_debug_kernel" = "xno"; then
+ LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
+fi
+OPENAFS_GCC_SUPPORTS_MARCH
+AC_SUBST(P5PLUS_KOPTS)
+OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
+OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
+OPENAFS_GCC_SUPPORTS_NO_COMMON
+OPENAFS_GCC_SUPPORTS_PIPE
+AC_SUBST(LINUX_GCC_KOPTS)
+
+dnl Setup the kernel build environment
+LINUX_KBUILD_USES_EXTRA_CFLAGS
+LINUX_KERNEL_COMPILE_WORKS
+])
- dnl Packaging and SMP build
- if test "x$with_linux_kernel_packaging" != "xyes" ; then
- LINUX_WHICH_MODULES
- else
- AC_SUBST(MPS,'SP')
- fi
+AC_DEFUN([OPENAFS_LINUX_MISC_DEFINES],[
+ if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
+ AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
+ fi
+ dnl Linux-only, but just enable always.
+ AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
+])
- dnl Syscall probing
- if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
- AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
- AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
- ])
- ac_cv_linux_exports_sys_call_table=no
- if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
- ac_cv_linux_exports_ia32_sys_call_table=yes
- fi
- else
- LINUX_EXPORTS_KALLSYMS_ADDRESS
- LINUX_EXPORTS_KALLSYMS_SYMBOL
- LINUX_EXPORTS_SYS_CALL_TABLE
- LINUX_EXPORTS_IA32_SYS_CALL_TABLE
- if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
- linux_syscall_method=none
- if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
- linux_syscall_method=scan
- if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
- linux_syscall_method=scan_with_kallsyms_address
- fi
- fi
- if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
- linux_syscall_method=kallsyms_symbol
- fi
- if test "x$linux_syscall_method" = "xnone"; then
- AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
- linux_syscall_method=scan
- fi
- fi
- fi
- if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
- AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
- fi
- if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
- AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
- fi
- if test "x$ac_cv_linux_func_page_get_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
- AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
- else
- AC_MSG_WARN([your kernel does not have a usable symlink cache API])
- fi
- if test "x$ac_cv_linux_func_page_get_link" != "xyes" -a "x$ac_cv_linux_struct_inode_operations_has_get_link" = "xyes"; then
- AC_MSG_ERROR([Your kernel does not use follow_link - not supported without symlink cache API])
- exit 1
- fi
- :
- fi
- if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
- AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
- fi
-dnl Linux-only, but just enable always.
- AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
+AC_DEFUN([OPENAFS_LINUX_CHECKS],[
+case $AFS_SYSNAME in *_linux* | *_umlinux*)
+ _OPENAFS_LINUX_CONFTEST_SETUP
+ if test "x$enable_kernel_module" = "xyes"; then
+ _OPENAFS_LINUX_KBUILD_SETUP
+ OPENAFS_LINUX_KERNEL_SIG_CHECKS
+ OPENAFS_LINUX_KERNEL_HEADER_CHECKS
+ OPENAFS_LINUX_KERNEL_TYPE_CHECKS
+ OPENAFS_LINUX_KERNEL_STRUCT_CHECKS
+ OPENAFS_LINUX_KERNEL_FUNC_CHECKS
+ OPENAFS_LINUX_KERNEL_ASSORTED_CHECKS
+ OPENAFS_LINUX_KERNEL_SYSCALL_PROBE_SETUP
+ OPENAFS_LINUX_KERNEL_PACKAGING_CHECKS
+ OPENAFS_LINUX_KERNEL_SYSCALL_PROBE_CHECKS
+ OPENAFS_LINUX_KERNEL_MORE_ASSORTED_CHECKS
+ fi
+ OPENAFS_LINUX_MISC_DEFINES
esac
])
--- /dev/null
+AC_DEFUN([OPENAFS_LINUX_KERNEL_FUNC_CHECKS],[
+dnl Function existence checks
+AC_CHECK_LINUX_FUNC([__vfs_write],
+ [#include <linux/fs.h>],
+ [__vfs_write(NULL, NULL, 0, NULL);])
+AC_CHECK_LINUX_FUNC([kernel_write],
+ [#include <linux/fs.h>],
+ [kernel_write(NULL, NULL, 0, NULL);])
+AC_CHECK_LINUX_FUNC([bdi_init],
+ [#include <linux/backing-dev.h>],
+ [bdi_init(NULL);])
+AC_CHECK_LINUX_FUNC([super_setup_bdi],
+ [#include <linux/backing-dev.h>],
+ [struct super_block *sb;
+ super_setup_bdi(sb);])
+AC_CHECK_LINUX_FUNC([PageChecked],
+ [#include <linux/mm.h>
+ #include <linux/page-flags.h>],
+ [struct page *_page;
+ int bchecked = PageChecked(_page);])
+AC_CHECK_LINUX_FUNC([PageFsMisc],
+ [#include <linux/mm.h>
+ #include <linux/page-flags.h>],
+ [struct page *_page;
+ int bchecked = PageFsMisc(_page);])
+AC_CHECK_LINUX_FUNC([clear_inode],
+ [#include <linux/fs.h>],
+ [clear_inode(NULL);])
+AC_CHECK_LINUX_FUNC([current_kernel_time],
+ [#include <linux/time.h>],
+ [struct timespec s;
+ s = current_kernel_time();])
+AC_CHECK_LINUX_FUNC([d_alloc_anon],
+ [#include <linux/fs.h>],
+ [d_alloc_anon(NULL);])
+AC_CHECK_LINUX_FUNC([d_count],
+ [#include <linux/dcache.h>],
+ [d_count(NULL);])
+AC_CHECK_LINUX_FUNC([d_make_root],
+ [#include <linux/fs.h>],
+ [d_make_root(NULL);])
+AC_CHECK_LINUX_FUNC([do_sync_read],
+ [#include <linux/fs.h>],
+ [do_sync_read(NULL, NULL, 0, NULL);])
+AC_CHECK_LINUX_FUNC([file_dentry],
+ [#include <linux/fs.h>],
+ [struct file *f; file_dentry(f);])
+AC_CHECK_LINUX_FUNC([find_task_by_pid],
+ [#include <linux/sched.h>],
+ [pid_t p; find_task_by_pid(p);])
+AC_CHECK_LINUX_FUNC([generic_file_aio_read],
+ [#include <linux/fs.h>],
+ [generic_file_aio_read(NULL,NULL,0,0);])
+AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
+ [#include <linux/pagemap.h>],
+ [grab_cache_page_write_begin(NULL, 0, 0);])
+AC_CHECK_LINUX_FUNC([hlist_unhashed],
+ [#include <linux/list.h>],
+ [hlist_unhashed(0);])
+AC_CHECK_LINUX_FUNC([ihold],
+ [#include <linux/fs.h>],
+ [ihold(NULL);])
+AC_CHECK_LINUX_FUNC([i_size_read],
+ [#include <linux/fs.h>],
+ [i_size_read(NULL);])
+AC_CHECK_LINUX_FUNC([inode_setattr],
+ [#include <linux/fs.h>],
+ [inode_setattr(NULL, NULL);])
+AC_CHECK_LINUX_FUNC([iter_file_splice_write],
+ [#include <linux/fs.h>],
+ [iter_file_splice_write(NULL,NULL,NULL,0,0);])
+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([page_get_link],
+ [#include <linux/fs.h>],
+ [page_get_link(0,0,0);])
+AC_CHECK_LINUX_FUNC([page_offset],
+ [#include <linux/pagemap.h>],
+ [page_offset(NULL);])
+AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
+ [#include <linux/pagevec.h>],
+ [__pagevec_lru_add_file(NULL);])
+AC_CHECK_LINUX_FUNC([path_lookup],
+ [#include <linux/fs.h>
+ #include <linux/namei.h>],
+ [path_lookup(NULL, 0, NULL);])
+AC_CHECK_LINUX_FUNC([proc_create],
+ [#include <linux/proc_fs.h>],
+ [proc_create(NULL, 0, NULL, NULL);])
+AC_CHECK_LINUX_FUNC([rcu_read_lock],
+ [#include <linux/rcupdate.h>],
+ [rcu_read_lock();])
+AC_CHECK_LINUX_FUNC([set_nlink],
+ [#include <linux/fs.h>],
+ [set_nlink(NULL, 1);])
+AC_CHECK_LINUX_FUNC([setattr_prepare],
+ [#include <linux/fs.h>],
+ [setattr_prepare(NULL, NULL);])
+AC_CHECK_LINUX_FUNC([sock_create_kern],
+ [#include <linux/net.h>],
+ [sock_create_kern(0, 0, 0, NULL);])
+AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
+ [#include <linux/net.h>],
+ [sock_create_kern(NULL, 0, 0, 0, NULL);])
+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);])
+AC_CHECK_LINUX_FUNC([zero_user_segments],
+ [#include <linux/highmem.h>],
+ [zero_user_segments(NULL, 0, 0, 0, 0);])
+AC_CHECK_LINUX_FUNC([noop_fsync],
+ [#include <linux/fs.h>],
+ [void *address = &noop_fsync; printk("%p\n", address)];)
+AC_CHECK_LINUX_FUNC([kthread_run],
+ [#include <linux/kernel.h>
+ #include <linux/kthread.h>],
+ [kthread_run(NULL, NULL, "test");])
+AC_CHECK_LINUX_FUNC([inode_nohighmem],
+ [#include <linux/fs.h>],
+ [inode_nohighmem(NULL);])
+AC_CHECK_LINUX_FUNC([inode_lock],
+ [#include <linux/fs.h>],
+ [inode_lock(NULL);])
+
+dnl Consequences - things which get set as a result of the
+dnl above tests
+AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
+ [AC_DEFINE([AFS_NONFSTRANS], 1,
+ [define to disable the nfs translator])])
+])
git://git.openafs.org / openafs.git / commitdiff