]) # 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_I_UID_READ
#
-# LIBCFS_SOCK_ALLOC_FILE
-#
-# FC18 3.7.2-201 unexport sock_map_fd() change to
-# use sock_alloc_file().
-# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285
-#
-AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE], [
-LB_CHECK_EXPORT([sock_alloc_file], [net/socket.c], [
- LB_CHECK_COMPILE([if 'sock_alloc_file' takes 3 arguments],
- sock_alloc_file_3args, [
- #include <linux/net.h>
- ],[
- sock_alloc_file(NULL, 0, NULL);
- ],[
- AC_DEFINE(HAVE_SOCK_ALLOC_FILE_3ARGS, 1,
- [sock_alloc_file takes 3 arguments])
- ],[
- AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1,
- [sock_alloc_file is exported])
- ])
-])
-]) # LIBCFS_SOCK_ALLOC_FILE
-
-#
# LIBCFS_HAVE_CRC32
#
AC_DEFUN([LIBCFS_HAVE_CRC32], [
]) # 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 4.0 commit 41fbf3b39d5eca01527338b4d0ee15ee1ae1023c
# introduced the helper function ktime_ms_delta.
#
]) # LIBCFS_EXPORT_KSET_FIND_OBJ
#
+# Kernel version 4.6+ commit ef703f49a6c5b909a85149bb6625c4ed0d697186
+# fixed the brokenness of hash_64(). The fix removed GOLDEN_RATIO_PRIME_64
+# since it was a poor prime value.
+#
+AC_DEFUN([LIBCFS_BROKEN_HASH_64], [
+LB_CHECK_COMPILE([kernel has fixed hash_64()],
+broken_hash_64, [
+ #include <linux/hash.h>
+],[
+ int tmp = GOLDEN_RATIO_PRIME_64;
+],[
+ AC_DEFINE(HAVE_BROKEN_HASH_64, 1, [kernel hash_64() is broken])
+])
+]) # LIBCFS_BROKEN_HASH_64
+
+#
# LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
#
# linux 4.6 kernel changed stacktrace_ops address to return an int
]) # LIBCFS_GET_USER_PAGES_6ARG
#
+# LIBCFS_STRINGHASH
+#
+# 4.6 kernel created stringhash.h which moved stuff out of dcache.h
+# commit f4bcbe792b8f434e32487cff9d9e30ab45a3ce02
+#
+AC_DEFUN([LIBCFS_STRINGHASH], [
+LB_CHECK_LINUX_HEADER([linux/stringhash.h], [
+ AC_DEFINE(HAVE_STRINGHASH, 1,
+ [stringhash.h is present])])
+]) # LIBCFS_STRINGHASH
+
+#
# LIBCFS_STACKTRACE_OPS
#
# Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b
]) # LIBCFS_SCHED_HEADERS
#
+# Kernel version 4.11 commit f9fe1c12d126f9887441fa5bb165046f30ddd4b5
+# introduced rhashtable_lookup_get_insert_fast
+#
+AC_DEFUN([LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST], [
+LB_CHECK_COMPILE([if 'rhashtable_lookup_get_insert_fast' exist],
+rhashtable_lookup_get_insert_fast, [
+ #include <linux/rhashtable.h>
+],[
+ const struct rhashtable_params params = { 0 };
+ void *ret;
+
+ ret = rhashtable_lookup_get_insert_fast(NULL, NULL, params);
+],[
+ AC_DEFINE(HAVE_RHASHTABLE_LOOKUP_GET_INSERT_FAST, 1,
+ [rhashtable_lookup_get_insert_fast() is available])
+])
+]) # LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
+
+#
# LIBCFS_WAIT_QUEUE_ENTRY
#
# Kernel version 4.13 ac6424b981bce1c4bc55675c6ce11bfe1bbfa64f
]) # LIBCFS_NEW_KERNEL_WRITE
#
+# LIBCFS_DEFINE_TIMER
+#
+# Kernel version 4.14 commit 1d27e3e2252ba9d949ca82fbdb73cde102cb2067
+# remove expires and data arguments from DEFINE_TIMER. Also the callback
+# when from using unsigned long argument to using struct timer_list pointer.
+#
+AC_DEFUN([LIBCFS_DEFINE_TIMER], [
+LB_CHECK_COMPILE([if DEFINE_TIMER takes only 2 arguments],
+define_timer, [
+ #include <linux/timer.h>
+],[
+ static DEFINE_TIMER(my_timer, NULL);
+],[
+ AC_DEFINE(HAVE_NEW_DEFINE_TIMER, 1,
+ [DEFINE_TIMER uses only 2 arguements])
+])
+]) # LIBCFS_DEFINE_TIMER
+
+#
# LIBCFS_TIMER_SETUP
#
# Kernel version 4.15 commit e99e88a9d2b067465adaa9c111ada99a041bef9a
LC_SHRINK_CONTROL
# 3.0
LIBCFS_STACKTRACE_WARNING
-LIBCFS_REINIT_COMPLETION
# 3.5
LIBCFS_PROCESS_NAMESPACE
LIBCFS_I_UID_READ
-# 3.7
-LIBCFS_SOCK_ALLOC_FILE
# 3.8
LIBCFS_HAVE_CRC32
LIBCFS_ENABLE_CRC32_ACCEL
LIBCFS_TIMESPEC64_TO_KTIME
# 3.19
LIBCFS_KTIME_GET_SECONDS
-LIBCFS_HAVE_CPUMASK_PRINT_TO_PAGEBUF
# 4.0
LIBCFS_KTIME_MS_DELTA
# 4.1
LIBCFS_CRYPTO_HASH_HELPERS
LIBCFS_EXPORT_KSET_FIND_OBJ
# 4.6
+LIBCFS_BROKEN_HASH_64
LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
LIBCFS_GET_USER_PAGES_6ARG
+LIBCFS_STRINGHASH
# 4.8
LIBCFS_STACKTRACE_OPS
# 4.9
# 4.10
LIBCFS_HOTPLUG_STATE_MACHINE
# 4.11
+LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
LIBCFS_SCHED_HEADERS
# 4.13
LIBCFS_WAIT_QUEUE_ENTRY
# 4.14
+LIBCFS_DEFINE_TIMER
LIBCFS_NEW_KERNEL_WRITE
# 4.15
LIBCFS_TIMER_SETUP
git://git.whamcloud.com / fs / lustre-release.git / blobdiff