X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libcfs%2Fautoconf%2Flustre-libcfs.m4;h=f81b92a8269394db23ac178d6fe00866380fd3f1;hp=fb93f0e804d492095b20b0066a539ab3520a12ce;hb=eca949bf83dfec5be33dc6230f55823376aef65a;hpb=b58fcb7fe4f63830ccc3e6c1747cb1b361d481dd

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index fb93f0e..f81b92a 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
@@ -487,6 +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
 #
@@ -629,6 +666,7 @@ LIBCFS_DUMP_TRACE_ADDRESS
 LC_SHRINK_CONTROL
 # 3.0
 LIBCFS_STACKTRACE_WARNING
+LIBCFS_REINIT_COMPLETION
 # 3.5
 LIBCFS_PROCESS_NAMESPACE
 LIBCFS_I_UID_READ
@@ -656,6 +694,7 @@ 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