])
])
+# LIBCFS_DIGEST_SETKEY_FLAGS
+# digest_alg.dia_setkey takes 4 args (2.6.18)
+#
+AC_DEFUN([LIBCFS_DIGEST_SETKEY_FLAGS],
+[AC_MSG_CHECKING([if kernel dia_setkey takes 4 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <linux/crypto.h>
+],[
+ struct digest_alg alg;
+
+ alg.dia_setkey(NULL, NULL, 0, NULL);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DIGEST_SETKEY_FLAGS, 1, [kernel dia_setkey takes 4 args])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
# 2.6.19 API changes
# kmem_cache_destroy(cachep) return void instead of
# int
LB_LINUX_TRY_COMPILE([
#include <linux/slab.h>
],[
- int i = kmem_cache_destroy(NULL);
+ int i __attribute__ ((unused));
+ i = kmem_cache_destroy(NULL);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
])
])
+# check cpumask_size (2.6.28)
+AC_DEFUN([LIBCFS_CPUMASK_SIZE],
+[AC_MSG_CHECKING([whether have cpumask_size()])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/cpumask.h>
+],[
+ int size = cpumask_size();
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CPUMASK_SIZE, 1, [have cpumask_size()])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# check cpu topology functions
+#
+# topology_core_cpumask (2.6.29, not on all archs)
+# topology_core_siblings (not on all archs)
+# topology_thread_cpumask (2.6.29, not on all archs)
+# topology_thread_siblings (not on all archs)
+# cpumask_of_node/node_to_cpumask (not always exported)
+AC_DEFUN([LIBCFS_CPU_TOPOLOGY],
+[AC_MSG_CHECKING([whether have topology.h])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+],[],[
+ AC_DEFINE(HAVE_CPU_TOPOLOGY, 1, [have CPU topology])
+ AC_MSG_RESULT(yes)
+
+ AC_MSG_CHECKING([whether have topology_core_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = topology_core_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_CORE_CPUMASK, 1,
+ [have topology_core_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_core_siblings])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = topology_core_siblings(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_CORE_SIBLINGS, 1,
+ [have topology_core_siblings])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_thread_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = topology_thread_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_THREAD_CPUMASK, 1,
+ [have topology_thread_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_thread_siblings])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = topology_thread_siblings(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_THREAD_SIBLINGS, 1,
+ [have topology_thread_siblings])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether OFED backports have cpumask_of_node])
+ # Some OFED has cpumask_of_node backports defined in
+ # its private include/linux/cpumask.h. However, it is
+ # defined conflictingly with kernel's cpumask_of_node.
+ if test -f $OFED_BACKPORT_PATH/linux/cpumask.h; then
+ grep -q cpumask_of_node $OFED_BACKPORT_PATH/linux/cpumask.h 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ AC_DEFINE(HAVE_OFED_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ fi
+
+ AC_MSG_CHECKING([whether have cpumask_of_node])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = cpumask_of_node(0);
+ ],[
+ AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have cpumask_copy])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/cpumask.h>
+ ],[
+ cpumask_copy(NULL, NULL);
+ ],[
+ AC_DEFINE(HAVE_CPUMASK_COPY, 1, [have cpumask_copy])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have node_to_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = node_to_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [have node_to_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+
# 2.6.20 API change INIT_WORK use 2 args and not
# store data inside
AC_DEFUN([LIBCFS_3ARGS_INIT_WORK],
LB_LINUX_TRY_COMPILE([
#include <linux/workqueue.h>
],[
- struct work_struct work;
+ struct work_struct work __attribute__ ((unused));
INIT_WORK(&work, NULL, NULL);
],[
LB_LINUX_TRY_COMPILE([
#include <linux/sysctl.h>
],[
- return register_sysctl_table(NULL,0);
+ register_sysctl_table(NULL,0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1,
- [struct scatterlist has page member])
+ [struct scatterlist has no page member])
],[
AC_MSG_RESULT(NO)
])
])
-# 2.6.24
+# 2.6.24-rc1 sg_init_table
+AC_DEFUN([LIBCFS_SCATTERLIST_INITTABLE],
+[AC_MSG_CHECKING([for sg_init_table])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/types.h>
+ #include <linux/scatterlist.h>
+],[
+ sg_init_table(NULL,0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SCATTERLIST_INITTABLE, 1,
+ [scatterlist has sg_init_table])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# 2.6.24
AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
[AC_MSG_CHECKING([for network stack has namespaces])
LB_LINUX_TRY_COMPILE([
#include <net/net_namespace.h>
],[
- struct net *net = &init_net;
+ struct net *net __attribute__ ((unused));
+ net = &init_net;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INIT_NET, 1,
LB_LINUX_TRY_COMPILE([
#include <asm/semaphore.h>
],[
- struct semaphore s;
-
+ struct semaphore s __attribute__ ((unused));
+
atomic_read(&s.count);
],[
AC_MSG_RESULT(yes)
])
])
+# LIBCFS_STRUCT_SHASH_ALG
+# struct shash_alg was introduced in 2.6.29
+#
+AC_DEFUN([LIBCFS_STRUCT_SHASH_ALG],
+[AC_MSG_CHECKING([if kernel has struct shash_alg])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <crypto/internal/hash.h>
+],[
+ struct shash_alg foo;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_SHASH_ALG, 1, [kernel has struct shash_alg])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+
#
# LIBCFS_FUNC_UNSHARE_FS_STRUCT
#
LB_LINUX_TRY_COMPILE([
#include <linux/compat.h>
],[
- int i = is_compat_task();
+ int i __attribute__ ((unused));
+ i = is_compat_task();
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
])
])
-AC_DEFUN([LIBCFS_HAVE_OOM_H],
-[LB_CHECK_FILE([$LINUX/include/linux/oom.h], [
- AC_DEFINE(HAVE_LINUX_OOM_H, 1,
- [kernel has include/oom.h])
+AC_DEFUN([LIBCFS_HAVE_KEYTYPE_H],
+[LB_CHECK_FILE([$LINUX/include/linux/key-type.h], [
+ AC_DEFINE(HAVE_LINUX_KEYTYPE_H, 1,
+ [kernel has include/key-type.h])
],[
AC_MSG_RESULT([no])
])
])
#
+# check set_mems_allowed
+# 2.6.31 adds function set_mems_allowed in cpuset.h
+#
+AC_DEFUN([LIBCFS_HAVE_SET_MEMS_ALLOWED],
+[AC_MSG_CHECKING([whether have set_mems_allowed()])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/cpuset.h>
+],[
+ nodemask_t mask;
+
+ set_mems_allowed(mask);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SET_MEMS_ALLOWED, 1, [have set_mems_allowed()])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+
+#
# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function
#
AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR],
])
])
-# 2.6.18 store oom parameters in task struct.
-# 2.6.32 store oom parameters in signal struct
-AC_DEFUN([LIBCFS_OOMADJ_IN_SIG],
-[AC_MSG_CHECKING([kernel store oom parameters in task])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- ((struct signal_struct *)0)->oom_adj = 0;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_OOMADJ_IN_SIG, 1,
- [kernel store a oom parameters in signal struct])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
#
# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table.
#
])
#
+# FC18 3.7.2-201 unexport sock_map_fd() change to
+# use sock_alloc_file().
+# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285
+#
+AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE],
+[AC_MSG_CHECKING([sock_alloc_file is exported])
+LB_CHECK_SYMBOL_EXPORT([sock_alloc_file], [net/socket.c],[
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/net.h>
+ ],[
+ sock_alloc_file(NULL, 0, NULL);
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SOCK_ALLOC_FILE_3ARGS, 1,
+ [sock_alloc_file takes 3 arguments])
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1,
+ [sock_alloc_file is exported])
+ ])
+],[
+])
+])
+
+#
# LIBCFS_PROG_LINUX
#
# LNet linux kernel checks
LIBCFS_CONFIG_PANIC_DUMPLOG
LIBCFS_U64_LONG_LONG_LINUX
-
# 2.6.18
LIBCFS_TASKLIST_LOCK
LIBCFS_HAVE_IS_COMPAT_TASK
+LIBCFS_DIGEST_SETKEY_FLAGS
# 2.6.19
LIBCFS_KMEM_CACHE_DESTROY_INT
# 2.6.20
# 2.6.24
LIBCFS_SYSCTL_UNNUMBERED
LIBCFS_SCATTERLIST_SETPAGE
+LIBCFS_SCATTERLIST_INITTABLE
LIBCFS_NETWORK_NAMESPACE
LIBCFS_FUNC_DUMP_TRACE
+LIBCFS_HAVE_KEYTYPE_H
# 2.6.26
LIBCFS_SEM_COUNT
# 2.6.27
LIBCFS_CRED_WRAPPERS
+# 2.6.28
+LIBCFS_CPUMASK_SIZE
# 2.6.29
LIBCFS_STRUCT_CRED_IN_TASK
+LIBCFS_CPU_TOPOLOGY
+LIBCFS_STRUCT_SHASH_ALG
# 2.6.30
LIBCFS_FUNC_UNSHARE_FS_STRUCT
LIBCFS_SOCK_MAP_FD_2ARG
+# 2.6.31
+LIBCFS_HAVE_SET_MEMS_ALLOWED
# 2.6.32
LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
LC_SHRINKER_WANT_SHRINK_PTR
-LIBCFS_HAVE_OOM_H
-LIBCFS_OOMADJ_IN_SIG
# 2.6.33
LIBCFS_SYSCTL_CTLNAME
# 2.6.34
LC_SK_SLEEP
# 2.6.40 fc15
LC_SHRINK_CONTROL
+# 3.7
+LIBCFS_SOCK_ALLOC_FILE
])
#
# lnet/utils/wirecheck.c
AC_CHECK_FUNCS([strnlen])
+# lnet/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcpy])
+
+# libcfs/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcat])
+
AC_CHECK_TYPE([umode_t],
[AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])],
[],
__u64 *data2 = NULL;
data1 = data2;
+ data2 = data1;
return 0;
}
],[
git://git.whamcloud.com / fs / lustre-release.git / blobdiff