]) # LIBCFS_STACKTRACE_WARNING
#
+# LIBCFS_REINIT_COMPLETION
+#
+AC_DEFUN([LIBCFS_REINIT_COMPLETION], [
+LB_CHECK_COMPILE([if 'reinit_completion' exists],
+reinit_completion, [
+ #include <linux/completion.h>
+],[
+ struct completion x;
+ reinit_completion(&x);
+],[
+ AC_DEFINE(HAVE_REINIT_COMPLETION, 1,
+ [reinit_completion is exist])
+])
+]) # LIBCFS_REINIT_COMPLETION
+
+#
# LC_SHRINKER_WANT_SHRINK_PTR
#
# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function
]) # LIBCFS_KTIME_GET_TS64
#
+# Kernel version 3.12 introduced ktime_add
+#
+AC_DEFUN([LIBCFS_KTIME_ADD],[
+LB_CHECK_COMPILE([does function 'ktime_add' exist],
+ktime_add, [
+ #include <linux/ktime.h>
+],[
+ ktime_t start = ktime_set(0, 0);
+ ktime_t end = start;
+ ktime_t total;
+
+ total = ktime_add(start, end);
+],[
+ AC_DEFINE(HAVE_KTIME_ADD, 1,
+ [ktime_add is available])
+])
+]) # LIBCFS_KTIME_ADD
+
+#
+# Kernel version 3.12 introduced ktime_after
+#
+AC_DEFUN([LIBCFS_KTIME_AFTER],[
+LB_CHECK_COMPILE([does function 'ktime_after' exist],
+ktime_after, [
+ #include <linux/ktime.h>
+],[
+ ktime_t start = ktime_set(0, 0);
+ ktime_t end = start;
+
+ ktime_after(start, end);
+],[
+ AC_DEFINE(HAVE_KTIME_AFTER, 1,
+ [ktime_after is available])
+])
+]) # LIBCFS_KTIME_AFTER
#
# FC19 3.12 kernel struct shrinker change
]) # LIBCFS_KTIME_GET_REAL_NS
#
+# Kernel version 3.17 introduced ktime_to_timespec64
+#
+AC_DEFUN([LIBCFS_KTIME_TO_TIMESPEC64],[
+LB_CHECK_COMPILE([does function 'ktime_to_timespec64' exist],
+ktime_to_timespec64, [
+ #include <linux/ktime.h>
+],[
+ struct timespec64 ts;
+ ktime_t now;
+
+ ts = ktime_to_timespec64(now);
+],[
+ AC_DEFINE(HAVE_KTIME_TO_TIMESPEC64, 1,
+ ['ktime_to_timespec64' is available])
+])
+]) # LIBCFS_KTIME_TO_TIMESPEC64
+
+#
+# Kernel version 3.17 introduced timespec64_sub
+#
+AC_DEFUN([LIBCFS_TIMESPEC64_SUB],[
+LB_CHECK_COMPILE([does function 'timespec64_sub' exist],
+timespec64_sub, [
+ #include <linux/time.h>
+],[
+ struct timespec64 later,earlier,diff;
+
+ diff = timespec64_sub(later, earlier);
+],[
+ AC_DEFINE(HAVE_TIMESPEC64_SUB, 1,
+ ['timespec64_sub' is available])
+])
+]) # LIBCFS_TIMESPEC64_SUB
+
+#
+# Kernel version 3.17 introduced timespec64_to_ktime
+#
+AC_DEFUN([LIBCFS_TIMESPEC64_TO_KTIME],[
+LB_CHECK_COMPILE([does function 'timespec64_to_ktime' exist],
+timespec64_to_ktime, [
+ #include <linux/ktime.h>
+],[
+ struct timespec64 ts;
+ ktime_t now;
+
+ now = timespec64_to_ktime(ts);
+],[
+ AC_DEFINE(HAVE_TIMESPEC64_TO_KTIME, 1,
+ ['timespec64_to_ktime' is available])
+])
+]) # LIBCFS_TIMESPEC64_TO_KTIME
+
+#
# Kernel version 3.19 introduced ktime_get_seconds
#
AC_DEFUN([LIBCFS_KTIME_GET_SECONDS],[
]) # LIBCFS_KTIME_GET_SECONDS
#
+# Kernel version 3.19 commit 5aaba36318e5995e8c95d077a46d9a4d00fcc1cd
+# This patch creates a new helper function cpumap_print_to_pagebuf in
+# cpumask.h using newly added bitmap_print_to_pagebuf and consolidates
+# most of those sysfs functions using the new helper function.
+#
+AC_DEFUN([LIBCFS_HAVE_CPUMASK_PRINT_TO_PAGEBUF],[
+LB_CHECK_COMPILE([does function 'cpumap_print_to_pagebuf' exist],
+cpumap_print_to_pagebuf, [
+ #include <linux/topology.h>
+],[
+ int n;
+ char *buf = NULL;
+ const struct cpumask *mask = NULL;
+ n = cpumap_print_to_pagebuf(true, buf, mask);
+],[
+ AC_DEFINE(HAVE_CPUMASK_PRINT_TO_PAGEBUF, 1,
+ [cpumap_print_to_pagebuf is available])
+])
+]) # LIBCFS_HAVE_CPUMASK_PRINT_TO_PAGEBUF
+
+#
# Kernel version 4.2 changed topology_thread_cpumask
# to topology_sibling_cpumask
#
]) # LIBCFS_GET_USER_PAGES_6ARG
#
+# LIBCFS_STACKTRACE_OPS
+#
+# Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b
+# removed both struct stacktrace_ops and dump_trace() function
+#
+AC_DEFUN([LIBCFS_STACKTRACE_OPS], [
+LB_CHECK_COMPILE([if 'struct stacktrace_ops' exists],
+stacktrace_ops, [
+ struct task_struct;
+ struct pt_regs;
+ #include <asm/stacktrace.h>
+],[
+ struct stacktrace_ops ops;
+ ops.stack = NULL;
+],[
+ AC_DEFINE(HAVE_STACKTRACE_OPS, 1,
+ [struct stacktrace_ops exists])
+])
+]) # LIBCFS_STACKTRACE_OPS
+
+#
+# Kernel version 4.9 commit 768ae309a96103ed02eb1e111e838c87854d8b51
+# mm: replace get_user_pages() write/force parameters with gup_flags
+#
+AC_DEFUN([LIBCFS_GET_USER_PAGES_GUP_FLAGS], [
+LB_CHECK_COMPILE([if 'get_user_pages()' takes gup_flags in arguments],
+get_user_pages_gup_flags, [
+ #include <linux/mm.h>
+],[
+ int rc;
+ rc = get_user_pages(0, 0, FOLL_WRITE, NULL, NULL);
+],[
+ AC_DEFINE(HAVE_GET_USER_PAGES_GUP_FLAGS, 1,
+ [get_user_pages takes gup_flags in arguments])
+])
+]) # LIBCFS_GET_USER_PAGES_GUP_FLAGS
+
+#
+# Kernel version 4.10 commit 7b737965b33188bd3dbb44e938535c4006d97fbb
+# libcfs: Convert to hotplug state machine
+#
+AC_DEFUN([LIBCFS_HOTPLUG_STATE_MACHINE], [
+LB_CHECK_COMPILE([if libcfs supports CPU hotplug state machine],
+cpu_hotplug_state_machine, [
+ #include <linux/cpuhotplug.h>
+],[
+ cpuhp_remove_state(CPUHP_LUSTRE_CFS_DEAD);
+],[
+ AC_DEFINE(HAVE_HOTPLUG_STATE_MACHINE, 1,
+ [hotplug state machine is supported])
+])
+]) # LIBCFS_HOTPLUG_STATE_MACHINE
+
+#
+# LIBCFS_SCHED_HEADERS
+#
+# 4.11 has broken up sched.h into more headers.
+#
+AC_DEFUN([LIBCFS_SCHED_HEADERS], [
+LB_CHECK_LINUX_HEADER([linux/sched/signal.h], [
+ AC_DEFINE(HAVE_SCHED_HEADERS, 1,
+ [linux/sched header directory exist])])
+]) # LIBCFS_SCHED_HEADERS
+
+#
# LIBCFS_PROG_LINUX
#
# LibCFS linux kernel checks
LC_SHRINK_CONTROL
# 3.0
LIBCFS_STACKTRACE_WARNING
+LIBCFS_REINIT_COMPLETION
# 3.5
LIBCFS_PROCESS_NAMESPACE
LIBCFS_I_UID_READ
# 3.11
LIBCFS_KTIME_GET_TS64
# 3.12
+LIBCFS_KTIME_ADD
+LIBCFS_KTIME_AFTER
LIBCFS_SHRINKER_COUNT
# 3.17
LIBCFS_HLIST_ADD_AFTER
LIBCFS_KTIME_GET_REAL_TS64
LIBCFS_KTIME_GET_REAL_SECONDS
LIBCFS_KTIME_GET_REAL_NS
+LIBCFS_KTIME_TO_TIMESPEC64
+LIBCFS_TIMESPEC64_SUB
+LIBCFS_TIMESPEC64_TO_KTIME
# 3.19
LIBCFS_KTIME_GET_SECONDS
+LIBCFS_HAVE_CPUMASK_PRINT_TO_PAGEBUF
# 4.2
LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
LIBCFS_FPU_API
# 4.6
LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
LIBCFS_GET_USER_PAGES_6ARG
+# 4.8
+LIBCFS_STACKTRACE_OPS
+# 4.9
+LIBCFS_GET_USER_PAGES_GUP_FLAGS
+# 4.10
+LIBCFS_HOTPLUG_STATE_MACHINE
+# 4.11
+LIBCFS_SCHED_HEADERS
]) # LIBCFS_PROG_LINUX
#
git://git.whamcloud.com / fs / lustre-release.git / blobdiff