i=1
while true; do
file=$SCRATCH_MNT/encrypted_dir/file$i
- if ! $XFS_IO_PROG -f $file -c 'pwrite 0 1M' &> $tmp.out; then
- if ! grep -q 'No space left on device' $tmp.out; then
- echo "FAIL: unexpected pwrite failure"
- cat $tmp.out
- elif [ -e $file ]; then
- total_file_size=$((total_file_size + $(stat -c %s $file)))
- fi
- break
+
+ $XFS_IO_PROG -f $file -c 'pwrite 0 1M' &> $tmp.out
+ echo "Writing $file..." >> $seqres.full
+ cat $tmp.out >> $seqres.full
+
+ file_size=0
+ if [ -e $file ]; then
+ file_size=$(stat -c %s $file)
fi
- total_file_size=$((total_file_size + $(stat -c %s $file)))
- i=$((i + 1))
- if [ $i -gt $fs_size_in_mb ]; then
- echo "FAIL: filesystem never filled up!"
+
+ # We shouldn't have been able to write more data than we had space for.
+ (( total_file_size += file_size ))
+ if (( total_file_size > fs_size )); then
+ _fail "Wrote $total_file_size bytes but should have only" \
+ "had space for $fs_size bytes at most!"
+ fi
+
+ # Stop if we hit ENOSPC.
+ if grep -q 'No space left on device' $tmp.out; then
break
fi
-done
-# We shouldn't have been able to write more data than we had space for.
-if (( $total_file_size > $fs_size )); then
- echo "FAIL: wrote $total_file_size bytes but should have only" \
- "had space for $fs_size bytes at most"
-fi
+ # Otherwise the file should have been successfully created.
+ if [ ! -e $file ]; then
+ _fail "$file failed to be created, but the fs isn't out of space yet!"
+ fi
+ if (( file_size != 1024 * 1024 )); then
+ _fail "Size of $file is wrong (possible write error?)." \
+ "Got $file_size, expected 1 MiB"
+ fi
+ (( i++ ))
+done
#
# Unmount the filesystem and compute its compressed size. It must be no smaller