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LU-9868 llite: handle DCACHE_PAR_LOOKUP in ll_dcompare
[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4
index d751e49..257058f 100644 (file)
@@ -331,9 +331,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 
        int main(void) {
                int rc;
-               HMAC_CTX ctx;
-               HMAC_CTX_init(&ctx);
-               rc = HMAC_Init_ex(&ctx, "test", 4, EVP_md_null(), NULL);
+               rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
        }
 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
               [OpenSSL HMAC functions needed for SSK])],
@@ -718,23 +716,6 @@ blk_plug, [
 ]) # LC_HAVE_BLK_PLUG
 
 #
-# LC_IOP_TRUNCATE
-#
-# truncate callback removed since 2.6.39
-#
-AC_DEFUN([LC_IOP_TRUNCATE], [
-LB_CHECK_COMPILE([if 'inode_operations' has '.truncate' member function],
-inode_ops_truncate, [
-       #include <linux/fs.h>
-],[
-       ((struct inode_operations *)0)->truncate(NULL);
-],[
-       AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1,
-               [inode_operations has .truncate member function])
-])
-]) # LC_IOP_TRUNCATE
-
-#
 # LC_HAVE_FSTYPE_MOUNT
 #
 # 2.6.39 replace get_sb with mount in struct file_system_type
@@ -1678,6 +1659,27 @@ kiocb_ki_left, [
 ]) # LC_KIOCB_KI_LEFT
 
 #
+# LC_INIT_LIST_HEAD_RCU
+#
+# 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
+# which is unfortunately an inline function and not a macro
+# that can be tested directly, so it needs a configure check.
+#
+AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
+LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
+init_list_head_rcu, [
+       #include <linux/list.h>
+       #include <linux/rculist.h>
+],[
+       struct list_head list;
+       INIT_LIST_HEAD_RCU(&list);
+],[
+       AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
+                 [INIT_LIST_HEAD_RCU exists])
+])
+]) # LC_INIT_LIST_HEAD_RCU
+
+#
 # LC_VFS_RENAME_5ARGS
 #
 # 3.13 has vfs_rename with 5 args
@@ -1751,81 +1753,6 @@ inode_ops_set_acl, [
 ]) # LC_IOP_SET_ACL
 
 #
-# LC_HAVE_BI_CNT
-#
-# 4.4 redefined bi_cnt as __bi_cnt
-#
-AC_DEFUN([LC_HAVE_BI_CNT], [
-LB_CHECK_COMPILE([if Linux kernel has bi_cnt in struct bio],
-have_bi_cnt, [
-       #include <asm/atomic.h>
-       #include <linux/bio.h>
-],[
-       struct bio bio = { };
-       int cnt;
-       cnt = atomic_read(&bio.bi_cnt);
-], [
-       AC_DEFINE(HAVE_BI_CNT, 1,
-               [struct bio has bi_cnt])
-])
-]) # LC_HAVE_BI_CNT
-
-#
-# LC_HAVE_BI_RW
-#
-# 4.4 redefined bi_rw as bi_opf
-#
-AC_DEFUN([LC_HAVE_BI_RW], [
-LB_CHECK_COMPILE([if Linux kernel has bi_rw in struct bio],
-have_bi_rw, [
-       #include <linux/bio.h>
-],[
-       struct bio bio;
-
-       bio.bi_rw = 0;
-], [
-       AC_DEFINE(HAVE_BI_RW, 1,
-               [struct bio has bi_rw])
-])
-]) # LC_HAVE_BI_RW
-
-#
-# LC_HAVE_SUBMIT_BIO_2ARGS
-#
-# 4.4 removed an argument from submit_bio
-#
-AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
-LB_CHECK_COMPILE([if submit_bio takes two arguments],
-have_submit_bio_2args, [
-       #include <linux/bio.h>
-],[
-       struct bio bio;
-       submit_bio(READ, &bio);
-], [
-       AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
-               [submit_bio takes two arguments])
-])
-]) # LC_HAVE_SUBMIT_BIO_2_ARGS
-
-#
-# LC_HAVE_CLEAN_BDEV_ALIASES
-#
-# 4.4 unmap_underlying_metadata was replaced by clean_bdev_aliases
-#
-AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
-LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
-have_clean_bdev_aliases, [
-       #include <linux/buffer_head.h>
-],[
-       struct block_device bdev;
-       clean_bdev_aliases(&bdev,1,1);
-], [
-       AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
-               [kernel has clean_bdev_aliases])
-])
-]) # LC_HAVE_CLEAN_BDEV_ALIASES
-
-#
 # LC_HAVE_TRUNCATE_IPAGE_FINAL
 #
 # 3.14 bring truncate_inode_pages_final for evict_inode
@@ -2184,6 +2111,27 @@ LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
 ]) # LC_HAVE_SYNC_READ_WRITE
 
 #
+# LC_HAVE___BI_CNT
+#
+# 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
+#
+AC_DEFUN([LC_HAVE___BI_CNT], [
+LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
+have___bi_cnt, [
+       #include <asm/atomic.h>
+       #include <linux/bio.h>
+       #include <linux/blk_types.h>
+],[
+       struct bio bio = { };
+       int cnt;
+       cnt = atomic_read(&bio.__bi_cnt);
+], [
+       AC_DEFINE(HAVE___BI_CNT, 1,
+               [struct bio has __bi_cnt])
+])
+]) # LC_HAVE___BI_CNT
+
+#
 # LC_NEW_CANCEL_DIRTY_PAGE
 #
 # 4.2 kernel has new cancel_dirty_page
@@ -2363,6 +2311,62 @@ bio_integrity_prep_fn, [
 ]) # LC_BIO_INTEGRITY_PREP_FN
 
 #
+# LC_HAVE_BI_OPF
+#
+# 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
+#
+AC_DEFUN([LC_HAVE_BI_OPF], [
+LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
+have_bi_opf, [
+       #include <linux/bio.h>
+],[
+       struct bio bio;
+
+       bio.bi_opf = 0;
+], [
+       AC_DEFINE(HAVE_BI_OPF, 1,
+               [struct bio has bi_opf])
+])
+]) # LC_HAVE_BI_OPF
+
+#
+# LC_HAVE_SUBMIT_BIO_2ARGS
+#
+# 4.4 removed an argument from submit_bio
+#
+AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
+LB_CHECK_COMPILE([if submit_bio takes two arguments],
+have_submit_bio_2args, [
+       #include <linux/bio.h>
+],[
+       struct bio bio;
+       submit_bio(READ, &bio);
+], [
+       AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
+               [submit_bio takes two arguments])
+])
+]) # LC_HAVE_SUBMIT_BIO_2_ARGS
+
+#
+# LC_HAVE_CLEAN_BDEV_ALIASES
+#
+# 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
+# (SLES12/kernel commit 29f3ad7d8380364c)
+#
+AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
+LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
+have_clean_bdev_aliases, [
+       #include <linux/buffer_head.h>
+],[
+       struct block_device bdev;
+       clean_bdev_aliases(&bdev,1,1);
+], [
+       AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
+               [kernel has clean_bdev_aliases])
+])
+]) # LC_HAVE_CLEAN_BDEV_ALIASES
+
+#
 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
 #
 # 4.4 kernel have moved locks API users to
@@ -2513,6 +2517,28 @@ EXTRA_KCFLAGS="$tmp_flags"
 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
 
 #
+# LC_D_IN_LOOKUP
+#
+# Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
+# introduced parallel lookups in the VFS layer. The inline function
+# d_in_lookup was added to notify when the same item was being queried
+# at the same time.
+#
+AC_DEFUN([LC_D_IN_LOOKUP], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
+d_in_lookup, [
+       #include <linux/dcache.h>
+],[
+       d_in_lookup(NULL);
+],[
+       AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_D_IN_LOOKUP
+
+#
 # LC_DIRECTIO_2ARGS
 #
 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
@@ -2880,7 +2906,9 @@ LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
 current_time, [
        #include <linux/fs.h>
 ],[
-       struct timespec ts = current_time(NULL);
+       struct iattr attr;
+
+       attr.ia_atime = current_time(NULL);
 ],[
        AC_DEFINE(HAVE_CURRENT_TIME, 1,
                [current_time() has replaced CURRENT_TIME])
@@ -3027,7 +3055,6 @@ AC_DEFUN([LC_PROG_LINUX], [
        # 2.6.39
        LC_HAVE_FHANDLE_SYSCALLS
        LC_HAVE_FSTYPE_MOUNT
-       LC_IOP_TRUNCATE
        LC_HAVE_INODE_OWNER_OR_CAPABLE
        LC_HAVE_SECURITY_IINITSEC
 
@@ -3101,6 +3128,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_OLDSIZE_TRUNCATE_PAGECACHE
        LC_PTR_ERR_OR_ZERO_MISSING
        LC_KIOCB_KI_LEFT
+       LC_INIT_LIST_HEAD_RCU
 
        # 3.13
        LC_VFS_RENAME_5ARGS
@@ -3143,6 +3171,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        # 4.1.0
        LC_IOV_ITER_RW
        LC_HAVE_SYNC_READ_WRITE
+       LC_HAVE___BI_CNT
 
        # 4.2
        LC_NEW_CANCEL_DIRTY_PAGE
@@ -3159,8 +3188,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_HAVE_LOCKS_LOCK_FILE_WAIT
        LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
        LC_HAVE_XATTR_HANDLER_NAME
-       LC_HAVE_BI_CNT
-       LC_HAVE_BI_RW
+       LC_HAVE_BI_OPF
        LC_HAVE_SUBMIT_BIO_2ARGS
        LC_HAVE_CLEAN_BDEV_ALIASES
 
@@ -3176,6 +3204,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_HAVE_XATTR_HANDLER_INODE_PARAM
 
        # 4.7
+       LC_D_IN_LOOKUP
        LC_DIRECTIO_2ARGS
        LC_GENERIC_WRITE_SYNC_2ARGS
        LC_FOPS_ITERATE_SHARED
@@ -3314,23 +3343,6 @@ AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
 ]) # LC_QUOTA
 
 #
-# LC_CONFIG_NODEMAP_PROC_DEBUG
-#
-# enable nodemap proc file debugging
-#
-AC_DEFUN([LC_NODEMAP_PROC_DEBUG], [
-AC_MSG_CHECKING([whether to enable nodemap proc debug])
-AC_ARG_ENABLE([nodemap_proc_debug],
-       AC_HELP_STRING([--enable-nodemap-proc-debug],
-               [enable nodemap proc debug]),
-       [], [enable_nodemap_proc_debug="no"])
-AC_MSG_RESULT([$enable_nodemap_proc_debug])
-AS_IF([test "x$enable_nodemap_proc_debug" != xno],
-       [AC_DEFINE(NODEMAP_PROC_DEBUG, 1,
-               [enable nodemap proc debug support])])
-]) # LC_NODEMAP_PROC_DEBUG
-
-#
 # LC_OSD_ADDON
 #
 # configure support for optional OSD implementation
@@ -3516,6 +3528,7 @@ AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
+AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
 ]) # LC_CONDITIONALS
 
 #
@@ -3538,6 +3551,7 @@ lustre/include/uapi/linux/lustre/Makefile
 lustre/kernel_patches/targets/3.10-rhel7.6.target
 lustre/kernel_patches/targets/3.10-rhel7.5.target
 lustre/kernel_patches/targets/4.14-rhel7.5.target
+lustre/kernel_patches/targets/4.14-rhel7.6.target
 lustre/kernel_patches/targets/2.6-rhel6.9.target
 lustre/kernel_patches/targets/2.6-rhel6.8.target
 lustre/kernel_patches/targets/2.6-rhel6.7.target