LU-13258 llite: bind readahead workqueue to CPT set

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

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index 0c384d4..a46d3f8 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -786,6 +786,22 @@ rhashtable_lookup_get_insert_fast, [
 ]) # LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
 
 #
 ]) # LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
 
 #

+# Kernel version 4.12-rc2 8f553c498e1772cccb39a114da4a498d22992758
+# provide proper CPU hotplug locking
+#
+AC_DEFUN([LIBCFS_CPUS_READ_LOCK], [
+LB_CHECK_COMPILE([if 'cpus_read_[un]lock' exist],
+cpu_read_lock, [
+       #include <linux/cpu.h>
+],[
+       cpus_read_lock();
+       cpus_read_unlock();
+],[
+       AC_DEFINE(HAVE_CPUS_READ_LOCK, 1, ['cpu_read_lock' exist])
+])
+]) # LIBCFS_CPUS_READ_LOCK
+
+#

 # Kernel version 4.12-rc3 f9727a17db9bab71ddae91f74f11a8a2f9a0ece6
 # renamed uuid_be to uuid_t
 #
 # Kernel version 4.12-rc3 f9727a17db9bab71ddae91f74f11a8a2f9a0ece6
 # renamed uuid_be to uuid_t
 #


@@ -1219,6 +1235,7 @@ LIBCFS_RHT_BUCKET_VAR
 LIBCFS_HAVE_PROCESSOR_HEADER
 LIBCFS_HAVE_WAIT_BIT_HEADER
 LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME
 LIBCFS_HAVE_PROCESSOR_HEADER
 LIBCFS_HAVE_WAIT_BIT_HEADER
 LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME

+LIBCFS_CPUS_READ_LOCK

 LIBCFS_UUID_T
 # 4.13
 LIBCFS_WAIT_QUEUE_ENTRY
 LIBCFS_UUID_T
 # 4.13
 LIBCFS_WAIT_QUEUE_ENTRY