file_attr02: Reduce extent size block count

Reduce test extent size to 128 blocks. Otherwise the FS_IOC_FSSETXATTR
ioctl may exceed extent size limit and fail on archs with 64K blocksize.

Signed-off-by: Martin Doucha <mdoucha@suse.cz>
Reviewed-by: Avinesh Kumar <akumar@suse.de>
Tested-by: Avinesh Kumar <akumar@suse.de>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>

Author: mdoucha

testcases/kernel/syscalls/file_attr/file_attr02.c

@@ -15,7 +15,7 @@
 
 #define MNTPOINT "mntpoint"
 #define FILENAME "ltp_file"
-#define BLOCKS 1024
+#define BLOCKS 128
 #define PROJID 16
 
 static int fd = -1;