--- /dev/null
+
+#
+# LB_LDISKFS_EXT_DIR
+#
+# Determine the location of the ext4 source code. It is required
+# for several configure tests and to build ldiskfs.
+#
+AC_DEFUN([LB_LDISKFS_EXT_DIR],
+[
+# Kernel ext source located with devel headers
+linux_src=$LINUX
+if test -e "$linux_src/fs/ext4/super.c"; then
+ EXT_DIR=$linux_src/fs/ext4
+else
+ # Kernel ext source provided by kernel-debuginfo-common package
+ linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
+ 2>/dev/null | tail -1)
+ if test -e "$linux_src/fs/ext4/super.c"; then
+ EXT_DIR=$linux_src/fs/ext4
+ else
+ EXT_DIR=
+ fi
+fi
+
+AC_MSG_CHECKING([ext4 source directory])
+AC_MSG_RESULT([$EXT_DIR])
+AC_SUBST(EXT_DIR)
+])
+
+#
+# LB_LDISKFS_EXT_SOURCE
+#
+# Spot check the existance of several source files common to ext4.
+# Detecting this at configure time allows us to avoid a potential build
+# failure and provide a useful error message to explain what is wrong.
+#
+AC_DEFUN([LB_LDISKFS_EXT_SOURCE],
+[
+if test x$EXT_DIR = x; then
+ enable_ldiskfs_build='no'
+else
+ LB_CHECK_FILE([$EXT_DIR/dir.c], [], [
+ enable_ldiskfs_build='no'
+ AC_MSG_WARN([ext4 must exist for ldiskfs build])])
+ LB_CHECK_FILE([$EXT_DIR/file.c], [], [
+ enable_ldiskfs_build='no'
+ AC_MSG_WARN([ext4 must exist for ldiskfs build])])
+ LB_CHECK_FILE([$EXT_DIR/inode.c], [], [
+ enable_ldiskfs_build='no'
+ AC_MSG_WARN([ext4 must exist for ldiskfs build])])
+ LB_CHECK_FILE([$EXT_DIR/super.c], [], [
+ enable_ldiskfs_build='no'
+ AC_MSG_WARN([ext4 must exist for ldiskfs build])])
+fi
+
+if test x$enable_ldiskfs_build = xno; then
+ enable_server='no'
+ enable_ldiskfs_build='no'
+ with_ldiskfs='no'
+ LDISKFS_SUBDIR=
+
+ AC_MSG_WARN([
+
+Disabling server because complete ext4 source does not exist.
+
+If you are building using kernel-devel packages and require ldiskfs
+server support then ensure that the matching kernel-debuginfo-common
+and kernel-debuginfo-common-<arch> packages are installed.
+
+])
+
+fi
+])
+
+#
+# LB_LDISKFS_DEFINE_OPTIONS
+#
+# Enable config options related to ldiskfs. These are used by ldiskfs,
+# lvfs, and the osd-ldiskfs code (which includes ldiskfs headers.)
+#
+AC_DEFUN([LB_LDISKFS_DEFINE_OPTIONS],
+[
+AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
+
+with_ldiskfs_pdo=no
+case $LINUXRELEASE in
+2.6.32*)
+ if test x$RHEL_KERNEL = xyes; then
+ with_ldiskfs_pdo=yes
+ AC_DEFINE(HAVE_LDISKFS_PDO, 1, [have ldiskfs PDO patch])
+ fi
+ if test x$SUSE_KERNEL = xyes; then
+ with_ldiskfs_pdo=yes
+ AC_DEFINE(HAVE_LDISKFS_PDO, 1, [have ldiskfs PDO patch])
+ fi
+ ;;
+esac
+LB_LDISKFS_JBD2_JOURNAL_CALLBACK_SET
+
+AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1,
+ [enable extended attributes for ldiskfs])
+AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1,
+ [enable posix acls for ldiskfs])
+AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1,
+ [enable fs security for ldiskfs])
+AC_DEFINE(CONFIG_LDISKFSDEV_FS_POSIX_ACL, 1,
+ [enable posix acls for ldiskfs])
+AC_DEFINE(CONFIG_LDISKFSDEV_FS_XATTR, 1,
+ [enable extented attributes for ldiskfs])
+AC_DEFINE(CONFIG_LDISKFSDEV_FS_SECURITY, 1,
+ [enable fs security for ldiskfs])
+])
+
+#
+# Check for jbd2_journal_callback_set(), which is needed for commit
+# callbacks. When LU-433 lands jbd2_journal_callback_set() will only
+# remain for legacy reasons and AC_MSG_ERROR can be removed.
+#
+AC_DEFUN([LB_LDISKFS_JBD2_JOURNAL_CALLBACK_SET],
+[
+ LB_CHECK_SYMBOL_EXPORT([jbd2_journal_callback_set],
+ [fs/jbd2/journal.c],
+ [AC_DEFINE(HAVE_JBD2_JOURNAL_CALLBACK_SET, 1,
+ [kernel exports jbd2_journal_callback_set])])
+])
+
+
+AC_DEFUN([LB_LDISKFS_SYMVERS],
+[
+AC_MSG_CHECKING([ldiskfs module symbols])
+if test -r $LDISKFS_OBJ/Module.symvers; then
+ LDISKFS_SYMBOLS=Module.symvers
+elif test -r $LDISKFS_OBJ/Modules.symvers; then
+ LDISKFS_SYMBOLS=Modules.symvers
+elif test -r $LDISKFS_OBJ/ldiskfs/Module.symvers; then
+ LDISKFS_SYMBOLS=Module.symvers
+elif test -r $LDISKFS_OBJ/ldiskfs/Modules.symvers; then
+ LDISKFS_SYMBOLS=Modules.symvers
+else
+ LDISKFS_SYMBOLS=$SYMVERFILE
+fi
+
+AC_MSG_RESULT([$LDISKFS_SYMBOLS])
+AC_SUBST(LDISKFS_SYMBOLS)
+])
+
+AC_DEFUN([LB_LDISKFS_RELEASE],
+[
+AC_MSG_CHECKING([ldiskfs source release])
+if test -r $LDISKFS_OBJ/config.h; then
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-I$LDISKFS_DIR $EXTRA_KCFLAGS"
+ LB_LINUX_TRY_MAKE([
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE
+ #undef VERSION
+ #undef STDC_HEADERS
+
+ #include <$LDISKFS_OBJ/config.h>
+ ],[
+ char *LDISKFS_RELEASE;
+ LDISKFS_RELEASE=VERSION;
+ ],[
+ $makerule LUSTRE_KERNEL_TEST=conftest.i
+ ],[
+ test -s build/conftest.i
+ ],[
+ eval $(grep "LDISKFS_RELEASE=" build/conftest.i)
+ ],[
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not preprocess test program.])
+ ])
+ EXTRA_KCFLAGS="$tmp_flags"
+ rm build/conftest.i
+elif test -r $LDISKFS_DIR/configure.ac; then
+ LDISKFS_RELEASE=$(awk '/AC\_INIT/ { print [$]3 }' \
+ $LDISKFS_DIR/configure.ac | tr ',' '\n')
+else
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not locate config.h, META, or configure.ac to check release.])
+fi
+
+if test x$LDISKFS_RELEASE = x; then
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not determine ldiskfs release.])
+fi
+
+AC_MSG_RESULT([$LDISKFS_RELEASE])
+AC_SUBST(LDISKFS_RELEASE)
+])
+
+AC_DEFUN([LB_LDISKFS_SERIES],
+[
+if $1; then
+ AC_MSG_CHECKING([which ldiskfs series to use])
+ case $LINUXRELEASE in
+ 2.6.18*)
+ if test x$RHEL_KERNEL = xyes; then
+ LDISKFS_SERIES="2.6-rhel5-ext4.series"
+ fi
+ ;;
+ 2.6.32*)
+ if test x$RHEL_KERNEL = xyes; then
+ LDISKFS_SERIES="2.6-rhel6.series"
+ fi
+ if test x$SUSE_KERNEL = xyes; then
+ LDISKFS_SERIES="2.6-sles11.series"
+ fi
+ ;;
+ *)
+ AC_MSG_WARN([Unknown kernel version $LINUXRELEASE])
+ LDISKFS_SERIES=
+ ;;
+ esac
+ AC_MSG_RESULT([$LDISKFS_SERIES])
+else
+ LDISKFS_SERIES=
+fi
+AC_SUBST(LDISKFS_SERIES)
+])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff