+ { $as_echo "$as_me:$LINENO: checking whether sops->evict_inode() exists" >&5
+$as_echo_n "checking whether sops->evict_inode() exists... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/fs.h>
+
+int
+main (void)
+{
+
+ void (*evict_inode) (struct inode *) = NULL;
+ struct super_operations sops __attribute__ ((unused));
+
+ sops.evict_inode = evict_inode;
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build
+ echo "obj-m := conftest.o" >build/Makefile
+ if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_EVICT_INODE 1
+_ACEOF
+
+
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether symbol insert_inode_locked is exported" >&5
+$as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
+ grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \
+ $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/inode.c; do
+ grep -q -E "EXPORT_SYMBOL.*(insert_inode_locked)" "$LINUX/$file" 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ export=1
+ break;
+ fi
+ done
+ if test $export -eq 0; then
+ { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_INSERT_INODE_LOCKED 1
+_ACEOF
+
+ fi
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_INSERT_INODE_LOCKED 1
+_ACEOF
+
+ fi
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether symbol d_obtain_alias is exported" >&5
+$as_echo_n "checking whether symbol d_obtain_alias is exported... " >&6; }
+ grep -q -E '[[:space:]]d_obtain_alias[[:space:]]' \
+ $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/dcache.c; do
+ grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" "$LINUX/$file" 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ export=1
+ break;
+ fi
+ done
+ if test $export -eq 0; then
+ { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_D_OBTAIN_ALIAS 1
+_ACEOF
+
+ fi
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_D_OBTAIN_ALIAS 1
+_ACEOF
+
+ fi
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether symbol check_disk_size_change is exported" >&5
+$as_echo_n "checking whether symbol check_disk_size_change is exported... " >&6; }
+ grep -q -E '[[:space:]]check_disk_size_change[[:space:]]' \
+ $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/block_dev.c; do
+ grep -q -E "EXPORT_SYMBOL.*(check_disk_size_change)" "$LINUX/$file" 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ export=1
+ break;
+ fi
+ done
+ if test $export -eq 0; then
+ { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_CHECK_DISK_SIZE_CHANGE 1
+_ACEOF
+
+ fi
+ else
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_CHECK_DISK_SIZE_CHANGE 1
+_ACEOF
+
+ fi
+
+
+