+static int extend_credit_for_blkdel(handle_t *handle, struct inode *inode)
+{
+ int retval = 0, needed;
+
+ if (handle->h_buffer_credits > EXT4_RESERVE_TRANS_BLOCKS)
+ return 0;
+ /*
+ * We are freeing a blocks. During this we touch
+ * superblock, group descriptor and block bitmap.
+ * So allocate a credit of 3. We may update
+ * quota (user and group).
+ */
+ needed = 3 + 2*EXT4_QUOTA_TRANS_BLOCKS(inode->i_sb);
+
+ if (ext4_journal_extend(handle, needed) != 0)
+ retval = ext4_journal_restart(handle, needed);
+
+ return retval;
+}
+