diff -ur linux-source-3.2/fs/ufs/balloc.c /home/phcoder/projects/ufs/balloc.c
--- linux-source-3.2/fs/ufs/balloc.c	2012-04-23 00:31:32.000000000 +0200
+++ /home/phcoder/projects/ufs/balloc.c	2012-05-02 18:24:25.444822068 +0200
@@ -147,6 +147,8 @@
 
 	UFSD("ENTER, fragment %llu, count %u\n",
 	     (unsigned long long)fragment, count);
+
+	inode->i_blocks -= count;
 	
 	if ((fragment & uspi->s_fpbmask) || (count & uspi->s_fpbmask)) {
 		ufs_error (sb, "ufs_free_blocks", "internal error, "
@@ -423,6 +425,7 @@
 		if (result) {
 			ufs_cpu_to_data_ptr(sb, p, result);
 			*err = 0;
+			inode->i_blocks += count;
 			UFS_I(inode)->i_lastfrag =
 				max(UFS_I(inode)->i_lastfrag, fragment + count);
 			ufs_clear_frags(inode, result + oldcount,