LU-9567 mgc: set cfg_instance to NULL for sptlrpc case

[fs/lustre-release.git] / libcfs / autoconf / lustre-libcfs.m4

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index db240c2..1e6f326 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -85,6 +85,22 @@ stacktrace_ops_warning, [
 ]) # 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
@@ -435,6 +451,41 @@ ktime_to_timespec64, [
 ]) # 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],[
@@ -452,6 +503,27 @@ 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
 #
@@ -572,6 +644,33 @@ get_user_pages_gup_flags, [
 ]) # 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
@@ -594,6 +693,7 @@ LIBCFS_DUMP_TRACE_ADDRESS
 LC_SHRINK_CONTROL
 # 3.0
 LIBCFS_STACKTRACE_WARNING
+LIBCFS_REINIT_COMPLETION
 # 3.5
 LIBCFS_PROCESS_NAMESPACE
 LIBCFS_I_UID_READ
@@ -617,8 +717,11 @@ 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
@@ -631,6 +734,10 @@ LIBCFS_GET_USER_PAGES_6ARG
 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
 
 #