]) # LIBCFS_SHRINKER_COUNT
#
+# Kernel version 3.13 commit aace05097a0fd467230e39acb148be0fdaa90068
+# add match_wildcard() function.
+#
+AC_DEFUN([LIBCFS_MATCH_WILDCARD],[
+LB_CHECK_COMPILE([does function 'match_wildcard' exist],
+match_wildcard, [
+ #include <linux/parser.h>
+],[
+ bool match;
+
+ match = match_wildcard(NULL, NULL);
+],[
+ AC_DEFINE(HAVE_MATCH_WILDCARD, 1,
+ [match_wildcard() is available])
+])
+]) # LIBCFS_MATCH_WILDCARD
+
+#
+# LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
+#
+# v3.14-7405-g91b0abe36a7b added AS_EXITING flag with
+# mapping_exiting() and mapping_set_exiting()
+#
+AC_DEFUN([LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG], [
+m4_pattern_allow([AS_EXITING])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if enum mapping_flags has AS_EXITING flag],
+mapping_exiting_exists, [
+ #include <linux/pagemap.h>
+],[
+ enum mapping_flags flag = AS_EXITING;
+ (void)flag;
+],[
+ AC_DEFINE(HAVE_MAPPING_AS_EXITING_FLAG, 1,
+ [enum mapping_flags has AS_EXITING flag])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
+
+#
# LIBCFS_IOV_ITER_HAS_TYPE
#
# kernel 3.15-rc4 commit 71d8e532b1549a478e6a6a8a44f309d050294d00
]) # LIBCFS_KTIME_GET_SECONDS
#
+# Kernel version 3.19 commit v3.18-rc2-26-g61ada528dea0
+# introduce wait_woken()
+#
+AC_DEFUN([LIBCFS_WAIT_WOKEN],[
+LB_CHECK_COMPILE([does function 'wait_woken' exist],
+wait_woken, [
+ #include <linux/wait.h>
+],[
+ wait_woken(NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_WAIT_WOKEN, 1,
+ ['wait_woken, is available'])
+])
+]) # LIBCFS_WAIT_WOKEN
+
+#
# Kernel version 4.0 commit 41fbf3b39d5eca01527338b4d0ee15ee1ae1023c
# introduced the helper function ktime_ms_delta.
#
]) # LIBCFS_KSTRTOBOOL_FROM_USER
#
+# LIBCFS_NETLINK_CALLBACK_START
+#
+# Kernel version 4.4-rc3 commit fc9e50f5a5a4e1fa9ba2756f745a13e693cf6a06
+# added a start function callback for struct netlink_callback
+#
+AC_DEFUN([LIBCFS_NETLINK_CALLBACK_START], [
+LB_CHECK_COMPILE([if struct genl_ops has start callback],
+cb_start, [
+ #include <net/genetlink.h>
+],[
+ struct genl_ops ops;
+
+ ops.start = NULL;
+],[
+ AC_DEFINE(HAVE_NETLINK_CALLBACK_START, 1,
+ [struct genl_ops has 'start' callback])
+])
+]) # LIBCFS_NETLINK_CALLBACK_START
+
+#
# Kernel version 4.5-rc1 commit d12481bc58fba89427565f8592e88446ec084a24
# added crypto hash helpers
#
]) # LIBCFS_RHT_BUCKET_VAR
#
+# Kernel version 4.11-rc5 commit fceb6435e85298f747fee938415057af837f5a8a
+# began the enhanchement of Netlink with extended ACK struct for advanced
+# error handling. By commit 7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46 we
+# had full support for this new feature.
+#
+AC_DEFUN([LIBCFS_NL_EXT_ACK], [
+LB_CHECK_COMPILE([if Netlink supports netlink_ext_ack],
+netlink_ext_ack, [
+ #include <net/genetlink.h>
+],[
+ struct genl_info info;
+
+ info.extack = NULL;
+],[
+ AC_DEFINE(HAVE_NL_PARSE_WITH_EXT_ACK, 1,
+ [netlink_ext_ack is an argument to nla_parse type function])
+])
+]) # LIBCFS_NL_EXT_ACK
+
+#
# Kernel version 4.11 commit f9fe1c12d126f9887441fa5bb165046f30ddd4b5
# introduced rhashtable_lookup_get_insert_fast
#
]) # LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME
#
+# LIBCFS_NLA_STRDUP
+#
+# Kernel version 4.13-rc1 commit 2cf0c8b3e6942ecafe6ebb1a6d0328a81641bf39
+# created nla_strdup(). This is needed since push strings can be
+# any size.
+#
+AC_DEFUN([LIBCFS_NLA_STRDUP], [
+LB_CHECK_COMPILE([if 'nla_strdup()' exists],
+nla_strdup, [
+ #include <net/netlink.h>
+],[
+ char *tmp = nla_strdup(NULL, GFP_KERNEL);
+],[
+ AC_DEFINE(HAVE_NLA_STRDUP, 1,
+ ['nla_strdup' is available])
+])
+]) # LIBCFS_NLA_STRDUP
+
+#
# LIBCFS_WAIT_QUEUE_ENTRY
#
# Kernel version 4.13 ac6424b981bce1c4bc55675c6ce11bfe1bbfa64f
]) # LIBCFS_CLEAR_AND_WAKE_UP_BIT
#
+# LIBCFS_TCP_SOCK_SET_NODELAY
+#
+# kernel 4.18.0-293.el8
+# tcp_sock_set_nodelay() was added
+AC_DEFUN([LIBCFS_TCP_SOCK_SET_NODELAY], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'tcp_sock_set_nodelay()' exists],
+tcp_sock_set_nodelay_exists, [
+ #include <linux/tcp.h>
+],[
+ tcp_sock_set_nodelay(NULL);
+],[
+ AC_DEFINE(HAVE_TCP_SOCK_SET_NODELAY, 1,
+ ['tcp_sock_set_nodelay()' exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_TCP_SOCK_SET_NODELAY
+
+#
+# LIBCFS_TCP_SOCK_SET_KEEPIDLE
+#
+# kernel 4.18.0-293.el8
+# tcp_sock_set_keepidle() was added
+AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPIDLE], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'tcp_sock_set_keepidle()' exists],
+tcp_sock_set_keepidle_exists, [
+ #include <linux/tcp.h>
+],[
+ tcp_sock_set_keepidle(NULL, 0);
+],[
+ AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPIDLE, 1,
+ ['tcp_sock_set_keepidle()' exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_TCP_SOCK_SET_KEEPIDLE
+
+#
+# LIBCFS_TCP_SOCK_SET_QUICKACK
+# kernel v5.7-rc6-2504-gddd061b8daed
+# tcp: add tcp_sock_set_quickack
+#
+AC_DEFUN([LIBCFS_TCP_SOCK_SET_QUICKACK], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'tcp_sock_set_quickack()' exists],
+tcp_sock_set_quickack_exists, [
+ #include <linux/tcp.h>
+],[
+ tcp_sock_set_quickack(NULL, 0);
+],[
+ AC_DEFINE(HAVE_TCP_SOCK_SET_QUICKACK, 1,
+ ['tcp_sock_set_quickack()' exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_TCP_SOCK_SET_QUICKACK
+
+#
+# LIBCFS_TCP_SOCK_SET_KEEPINTVL
+# v5.7-rc6-2508-gd41ecaac903c
+# tcp: add tcp_sock_set_keepintvl
+#
+AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPINTVL], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'tcp_sock_set_keepintvl()' exists],
+tcp_sock_set_keepintvl_exists, [
+ #include <linux/tcp.h>
+],[
+ tcp_sock_set_keepintvl(NULL, 0);
+],[
+ AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPINTVL, 1,
+ ['tcp_sock_set_keepintvl()' exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_TCP_SOCK_SET_KEEPINTVL
+
+#
+# LIBCFS_TCP_SOCK_SET_KEEPCNT
+# v5.7-rc6-2509-g480aeb9639d6
+# tcp: add tcp_sock_set_keepcnt
+#
+AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPCNT], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'tcp_sock_set_keepcnt()' exists],
+tcp_sock_set_keepcnt_exists, [
+ #include <linux/tcp.h>
+],[
+ tcp_sock_set_keepcnt(NULL, 0);
+],[
+ AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPCNT, 1,
+ ['tcp_sock_set_keepcnt()' exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_TCP_SOCK_SET_KEEPCNT
+
+#
# LIBCFS_XARRAY_SUPPORT
#
# 4.19-rc5 kernel commit 3159f943aafdbacb2f94c38fdaadabf2bbde2a14
]) # LIBCFS_XARRAY_SUPPORT
#
+# Kernel version 4.19-rc6 commit 4a19edb60d0203cd5bf95a8b46ea8f63fd41194c
+# added extended ACK handling to Netlink dump handlers
+#
+AC_DEFUN([LIBCFS_NL_DUMP_EXT_ACK], [
+LB_CHECK_COMPILE([if Netlink dump handlers support ext_ack],
+netlink_dump_ext_ack, [
+ #include <net/netlink.h>
+],[
+ struct netlink_callback *cb = NULL;
+ cb->extack = NULL;
+],[
+ AC_DEFINE(HAVE_NL_DUMP_WITH_EXT_ACK, 1,
+ [netlink_ext_ack is handled for Netlink dump handlers])
+])
+]) # LIBCFS_NL_DUMP_EXT_ACK
+
+#
# LIBCFS_HAVE_IOV_ITER_TYPE
#
# kernel 4.20 commit 00e23707442a75b404392cef1405ab4fd498de6b
EXTRA_KCFLAGS="$tmp_flags"
]) # LIBCFS_HAVE_KFREE_SENSITIVE
+#
+# LIBCFS_HAVE_CRYPTO_SHA2_HEADER
+#
+# Kernel v5.10-rc1-114-ga24d22b225ce
+# crypto: sha - split sha.h into sha1.h and sha2.h
+#
+AC_DEFUN([LIBCFS_HAVE_CRYPTO_SHA2_HEADER], [
+LB_CHECK_LINUX_HEADER([crypto/sha2.h], [
+ AC_DEFINE(HAVE_CRYPTO_SHA2_HEADER, 1,
+ [crypto/sha2.h is present])])
+]) # LIBCFS_HAVE_CRYPTO_SHA2_HEADER
+
+#
+# LIBCFS_HAVE_LIST_CMP_FUNC_T
+#
+# kernel 5.10.70 commit 4f0f586bf0c898233d8f316f471a21db2abd522d
+# treewide: Change list_sort to use const pointers
+AC_DEFUN([LIBCFS_HAVE_LIST_CMP_FUNC_T], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror -Wno-unused-variable"
+LB_CHECK_COMPILE([if list_cmp_func_t type is defined],
+list_cmp_func_t, [
+ #include <linux/list_sort.h>
+],[
+ list_cmp_func_t cmp;
+],[
+ AC_DEFINE(HAVE_LIST_CMP_FUNC_T, 1,
+ [list_cmp_func_t type is defined])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LIBCFS_HAVE_LIST_CMP_FUNC_T
+
AC_DEFUN([LIBCFS_PROG_LINUX_SRC], [
LIBCFS_SRC_HAVE_PROC_OPS
])
#
+# LIBCFS_PARAM_SET_UINT_MINMAX
+#
+# Kernel 5.15-rc1 commit 2a14c9ae15a38148484a128b84bff7e9ffd90d68
+# moved param_set_uint_minmax to common code
+#
+AC_DEFUN([LIBCFS_PARAM_SET_UINT_MINMAX],[
+LB_CHECK_COMPILE([does function 'param_set_uint_minmax' exist],
+param_set_uint_minmax, [
+ #include <linux/moduleparam.h>
+],[
+ param_set_uint_minmax(NULL, NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_PARAM_SET_UINT_MINMAX, 1,
+ ['param_set_uint_minmax' is available])
+])
+]) # LIBCFS_PARAM_SET_UINT_MINMAX
+
+#
# LIBCFS_PROG_LINUX
#
# LibCFS linux kernel checks
LIBCFS_KTIME_BEFORE
LIBCFS_KTIME_COMPARE
LIBCFS_SHRINKER_COUNT
+# 3.13
+LIBCFS_MATCH_WILDCARD
# 3.15
+LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
LIBCFS_IOV_ITER_HAS_TYPE
# 3.16
LIBCFS_HAVE_NS_TO_TIMESPEC64
LIBCFS_TIMESPEC64_TO_KTIME
# 3.19
LIBCFS_KTIME_GET_SECONDS
+LIBCFS_WAIT_WOKEN
# 4.0
LIBCFS_KTIME_MS_DELTA
# 4.1
LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
# 4.4
LIBCFS_KSTRTOBOOL_FROM_USER
+LIBCFS_NETLINK_CALLBACK_START
# 4.5
LIBCFS_CRYPTO_HASH_HELPERS
LIBCFS_EXPORT_KSET_FIND_OBJ
LIBCFS_HAVE_PROCESSOR_HEADER
LIBCFS_HAVE_WAIT_BIT_HEADER
LIBCFS_MEMALLOC_NORECLAIM
+LIBCFS_NL_EXT_ACK
LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME
LIBCFS_CPUS_READ_LOCK
LIBCFS_UUID_T
# 4.13
+LIBCFS_NLA_STRDUP
LIBCFS_WAIT_QUEUE_ENTRY
# 4.14
LIBCFS_DEFINE_TIMER
# 4.17
LIBCFS_BITMAP_ALLOC
LIBCFS_CLEAR_AND_WAKE_UP_BIT
+# 4.18
+LIBCFS_TCP_SOCK_SET_NODELAY
+LIBCFS_TCP_SOCK_SET_KEEPIDLE
# 4.19
LIBCFS_XARRAY_SUPPORT
+LIBCFS_NL_DUMP_EXT_ACK
# 4.20
LIBCFS_HAVE_IOV_ITER_TYPE
# 5.0
LIBCFS_HAVE_NR_UNSTABLE_NFS
# 5.7
LIBCFS_KALLSYMS_LOOKUP
+LIBCFS_TCP_SOCK_SET_QUICKACK
+LIBCFS_TCP_SOCK_SET_KEEPINTVL
+LIBCFS_TCP_SOCK_SET_KEEPCNT
# 5.8
LIBCFS_HAVE_MMAP_LOCK
LIBCFS_KERNEL_SETSOCKOPT
LIBCFS_SEC_RELEASE_SECCTX
# 5.10
LIBCFS_HAVE_KFREE_SENSITIVE
+LIBCFS_HAVE_CRYPTO_SHA2_HEADER
+LIBCFS_HAVE_LIST_CMP_FUNC_T
+# 5.15
+LIBCFS_PARAM_SET_UINT_MINMAX
]) # LIBCFS_PROG_LINUX
#
git://git.whamcloud.com / fs / lustre-release.git / blobdiff