-# LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB
-#
-AC_DEFUN([LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB],
-[AC_MSG_CHECKING([if EXT4_SINGLEDATA_TRANS_BLOCKS takes the sb as argument])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
-LB_LINUX_TRY_COMPILE([
- #include <ext4/ext4.h>
- #include <ext4/ext4_jbd2.h>
-],[
- struct super_block sb;
- EXT4_SINGLEDATA_TRANS_BLOCKS(&sb);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(LDISKFS_SINGLEDATA_TRANS_BLOCKS_HAS_SB, 1,
- [EXT4_SINGLEDATA_TRANS_BLOCKS takes sb as argument])
-],[
- AC_MSG_RESULT(no)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
-# LC_WALK_SPACE_HAS_DATA_SEM
-#
-# 2.6.32 ext4_ext_walk_space() takes i_data_sem internally.
-#
-AC_DEFUN([LC_WALK_SPACE_HAS_DATA_SEM],
-[AC_MSG_CHECKING([if ext4_ext_walk_space() takes i_data_sem])
-WALK_SPACE_DATA_SEM="$(awk 'BEGIN { in_walk_space = 0 } \
- /^int ext4_ext_walk_space\(/ { in_walk_space = 1 } \
- /^}/ { if (in_walk_space) in_walk_space = 0 } \
- /i_data_sem/ { if (in_walk_space) { print("yes"); exit } }' \
- $LINUX/fs/ext4/extents.c)"
-if test x"$WALK_SPACE_DATA_SEM" == xyes ; then
- AC_DEFINE(WALK_SPACE_HAS_DATA_SEM, 1,
- [ext4_ext_walk_space takes i_data_sem])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
-])
-
-#