Test 289 ignored the fact that historically journal is not accounted as
fs overhead. For larger filesystems it is hidden in 1% tolerance but for
filesystems smaller than 12G the test fails. So make the counting
precise to work everywhere.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
289 | 12 ++++++++----
common.filter | 15 +++++++++++++++
2 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/289 b/289
index b057c20..9bba144 100755
--- a/289
+++ b/289
@@ -59,10 +59,14 @@ TOTAL_BLOCKS=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
FREE_BLOCKS=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
| awk '/Free blocks:/{print $3}'`
-# nb: kernels today don't count journal blocks as overhead, but should.
-# For most filesystems this will still be within tolerance.
-# Overhead is all the blocks (already) used by the fs itself:
-OVERHEAD=$(($TOTAL_BLOCKS-$FREE_BLOCKS))
+JOURNAL_SIZE=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
+ | awk '/Journal size:/{print $3}' | _filter_size_to_bytes`
+BLOCK_SIZE=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
+ | awk '/Block size:/{print $3}'`
+JOURNAL_BLOCKS=$(($JOURNAL_SIZE/$BLOCK_SIZE))
+
+# kernels today don't count journal blocks as overhead, but should.
+OVERHEAD=$(($TOTAL_BLOCKS-$FREE_BLOCKS-$JOURNAL_BLOCKS))
# bsddf|minixdf
# Set the behaviour for the statfs system call. The minixdf
diff --git a/common.filter b/common.filter
index f0f6076..fcd7589 100644
--- a/common.filter
+++ b/common.filter
@@ -229,5 +229,20 @@ _filter_spaces()
sed -e 's/ [ ]*/ /g'
}
+# Convert string read from stdin like 128K to bytes and print it to stdout
+_filter_size_to_bytes()
+{
+ read size
+ suffix=${size:${#size}-1}
+ mul=1
+ case $suffix in
+ K) mul=1024 ;;
+ M) mul=$((1024*1024)) ;;
+ G) mul=$((1024*1024*1024)) ;;
+ T) mul=$((1024*1024*1024*1024)) ;;
+ esac
+ echo $((${size:0:${#size}-1}*$mul))
+}
+
# make sure this script returns success
/bin/true
--
1.7.1
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