X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libcfs%2Fautoconf%2Flustre-libcfs.m4;h=826fc1a3eccaaeb5da804c651416376bed7837df;hp=c7199f59a800eb4243f76fe35540b32775c80fed;hb=24d9e6ec44651abea0c4985a6b91d850b0257301;hpb=70d70c4f541c84adc88c372d670cd3a7fa8bc91f

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index c7199f5..826fc1a 100644
--- 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
 #
@@ -555,6 +627,39 @@ stacktrace_ops, [
 ]) # 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_PROG_LINUX
 #
 # LibCFS linux kernel checks
@@ -577,6 +682,7 @@ LIBCFS_DUMP_TRACE_ADDRESS
 LC_SHRINK_CONTROL
 # 3.0
 LIBCFS_STACKTRACE_WARNING
+LIBCFS_REINIT_COMPLETION
 # 3.5
 LIBCFS_PROCESS_NAMESPACE
 LIBCFS_I_UID_READ
@@ -600,8 +706,11 @@ 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
@@ -612,6 +721,10 @@ 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
 ]) # LIBCFS_PROG_LINUX
 
 #